PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. Country of Origin USA (subject to change) Product Description. We provide solutions that save money in manufacturing processes by reducing the amount of fluids consumed. As is best shown in FIGS. When installed, the wick element and supporting spring are . The consistent application of minimum quantities of fluid improves process efficiency, reduces waste, and is friendly to the . Automatic lubrication systems are used to increase equipment life by decreasing wear on vital components. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. Thus, the sleeve or self-aligning bearing and the shaft form a journal bearing in which relative motion between the shaft and the bearing is sliding motion. Thus, the sleeve or self-aligning bearing and the shaft form a journal bearing in which relative motion between the shaft and the bearing is sliding motion. Medium hard felt wick has density from 0.26 grams/cm3 to 0.32 grams/cm3 and hard grade refers to 0.36 grams/cm3 and above . 1. FIG. ;ASSIGNOR:BURTON, STEPHEN J.;REEL/FRAME:003943/0592, Free format text: . Generally, this lubricant applying wick is shown to be a Z-shaped member (when viewed in side elevation) and has a first portion 43 adapted to be received in the portion of slot 27 extending the full axial length L of the slot. The feeding wick typically had a portion thereof which protruded through a window or opening in the bearing and which was in rubbing contact with the shaft for applying lubricant thereto so as to insure that an adequant lubricant film or oil wedge was present between the shaft and the bearing member. 2. The aim of the gravity system, as of all lubrication systems, is to provide a reliable means of supplying the bearing surfaces with the proper amount of lubricating oil. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. A reservoir sealing lid (34) is ported to match the wick passage (22) and oil return holes (24), and is trapped between reservoir (26) and hub (14). Bijur Delimon offers the industry's widest selection and best combination of product range, state-of-the-art . A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. Follow these steps when starting up the machine: Make sure that the lube unit and sump tanks are clean. 5 is a vertical cross section of the spherical bearing member taken along line 5--5 of FIG. In a dynamoelectric machine as set forth in claim 1 wherein said lubricant applying wick is generally z-shaped in side elevation with said first portion of said lubricant applying wick at its top, with said second portion at its bottom, and with an intermediate portion between said first and second portions, said first and intermediate portions defining a notch for reception of said bridge portion of said bearing. When installed, the wick element and supporting spring are compressed between the bearing spindle and bottom wall of the oil reservoir, running through a loosely fitting passage in the surrounding hub. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . Which type of lubrication system is used in two-stroke engine? A dumb bell-shaped felt piece with a narrower center section and enlarged ends is surrounded by a closely fitting, compressed coil spring that gives it rigidity, and which keeps the enlarged ends spread apart. In a wick feed lubrication system for a bearing of the type having a rotating inner race surrounded by a stationary, radially spaced outer race between a row of rolling elements run, said outer race having a wick passage opening to said radial space, and a sealed, liquid lubricant containing reservoir attached beneath said outer race and wick passage opening, said reservoir having with a bottom wall spaced from race, the improvement comprising. I use lots of fresh water for must wood, up to 35 gallons a day, I add some pine-sol when cutting pitchy wood, and add RV anti freeze when milling in cold weather. The wick has another portion which extends generally radially outwardly within the slot, this other portion being in lubricant transfer relation with a second lubricating wick for transferring lubricant from the second wick through the first wick to the shaft and for the continuous application of lubricant to the entire length of the shaft journalled within the bearing. Each oiler includes a multi-pack of colors for flow testing. Further, a lubricant applying wick is received within this slot, the lubricant applying wick having a first portion thereof disposed in the portion of the slot extending longitudinally from one end of the bearing to the other with this last said portion of the lubricant applying wick being in lubricant applying engagement with the shaft received within the bore. Typically, the motor includes a rotor shaft, a bearing support and a self-aligning bearing supported thereby journalling the rotor shaft of the motor. Referring now to the drawings and particularly to FIG. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . 3. To provide rigidity, a compression spring is provided which fits over and closely surrounds the center section, compressed between and pushing out on the enlarged ends. Force feed system: Oil, grease gun and grease cups and Oil pump method. Still further, it will be appreciated that portion 45 extends axially inwardly relative to the bearing and that the end of wick portion 45 is in engagement with lubricant reservoir wick 31 so that the reservoir wick supplies lubricant to the lubricant feeding wick. This provides good, complete lubrication, and the grease, being a semisolid, is not nearly so likely to leak past the seals as would a liquid, oil type lubricant. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. Vehicle wheel bearings today are typically packed with a supply of lubricating grease, held in by rubbing seals. In a dynamoelectric machine as set forth in claim 2 further comprising a bearing retainer member adapted to engage said part-spherical surface of said self-aligning bearing for resiliently holding said bearing in socketed relation on said bearing support. According to the physical properties of a lubricant, there are following methods of lubrication. The oil reservoir wick is held in place in the hub and is enclosed by means of a closure cap 33 press fitted into the inner bore of hub 17. Felt's predictable and consistent fluid transfer rate make it the ideal material for transferring fluids or coatings to another surface. 2 is a sectional view taken along the line 2--2 of FIG. Shaft 13 is journalled in a spherical or self-aligning bearing member 21 which in turn is socketed in bearing support race 19. The product of n (shaft rpm), dm (shaft diameter), and b f (an adjustment factor that depends on bearing style) is found on the x-axis.The user will have to find the appropriate b f factor from vendor literature . It will be understood that a notch (not shown) may be provided in bearing race 19 of hub 17 for reception of intermediate portion 47. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. 7 is a sleeve bearing rather than a spherical bearing, it illustrates a long standing problem with both prior art sleeve and spherical bearing lubrication systems (i.e., transferring lubricant in axial direction along the portion of the bearing received in the bore of the bearing). . These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. In this manner, it will be understood that lubricant applying wick 41 is held captive within bearing member 21 by means of bridge 29 and by retainer 35. The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). 2. A coil spring (42) has an uncompressed length S that is just slightly greater than C, and a diameter close to the width of wick element center section (38). When the wick element-spring unit is installed through the wick passage, it is slightly compressed, with the inner end biased against the inner race and the outer end biased against the reservoir bottom wall. Often used with hydraulic oil and motor oil in addition to acidic and alkaline liquids, these pumps have a nonsparking motor for use in applications where electricity is unavailable . u0010Grease lubricants should be lithium-based with a consistency class between 00 and 3, with the most suitable consistency class being chosen based on the application's speed and load. Another type of lubrication system is the splash lubrication system. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir. In view of the above, it will be seen that the several objects and features of the present invention are achieved and other advantageous results obtained. Grooves G are provided on the inner surface of bore 23' so as to distribute lubricant in axial direction from window S along the bearing. Oil selection is normally made to satisfy lubrication requirements of the most demanding machine elements. Check that the sump tanks are ready for operation. Consistency class, as defined by the National Lubricating . Referring first to FIGS. Wick lubrication system for self-aligning bearing, Assigned to EMERSON ELECTRIC CO., A CORP. OF MO, GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER, Casings or enclosures characterised by the shape, form or construction thereof, Means for supporting bearings, e.g. 1. Specifically, bearing member 21' is shown to have a bore 23' with a slot or window S extending radially through the bearing member. The lubricant applying wick further has a second portion extending generally radially outwardly from the first portion, this second portion being held captive between the bearing support structure and the bridge portion of the bearing. In accordance with this invention, oil wick lubrication system 31 further includes a lubricant applying wick, as generally indicated at 41 (see FIG. As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. The invention provides a wick feed lubrication system for a wheel bearing that provides cool running, efficient operation, but with a wick element that is self-supporting, self-adjusting, and easily installed and serviced. PATENTED CASE. Each is suited for certain types of applications. This is best illustrated in FIG. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. Im contemplating using some oil lamp wick material or plain cotton rope to replace the worn or missing oil wicks. 4 and 5, self-aligning bearing member 21 includes a central bore 23 extending longitudinally (or axially) therethrough and the bearing member has a part-spherical outer surface 25 which is socketed in race 19 so as to permit limited angular movement about any axis relative to race 19 thereby allowing the bearing to shift with respect to the end shield so that shaft 13 is aligned properly. Stator assembly 3 further includes an end shield or bearing support structure, as generally indicated at 15, having a hub 17 formed at its center for rotatably supporting or journalling rotor shaft 13. 6 is a side elevational view of the lubricant applying wick; and. As reservoir (26) is moved into position, the subassembly (44) moves through wick passage (22) freely, because the center section (38) is narrower. Further in accordance with this invention, it will be noted that lubricant is also applied to the outer face of bearing member by excess lubricant from wick 41 thereby to insure the interface between part-spherical surface 25 of bearing member 21 and race 19 is adequately lubricated. As shown in FIG. 3. Oil and bearings. 276. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor . Pressure lubrication is a process where an oil pump precisely distributes oil to key areas of the pump. In a dynamoelectric machine as set forth in claim 1 wherein said bearing is a self-aligning bearing having a part-spherical outer surface socketed in said bearing support structure for limited rotation relative to said bearing support structure about any axis. b) wick feed lubricator system. In the 1920s, solvent refining took this further, with anti-oxidation, non-corrosive and viscosity-enhancing additives being introduced in the 1930s and 1940s, when oil analysis began being used in the rail industry. 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. Is that okay or should I use some special sewing oil wic. 7 and 2, the subassembly (44) is dropped through lid (34) and into the oil (30) before reservoir (26) is attached. Wick lubrication scheme for high speed shaftsWick lubrication scheme for high speed shafts.. Benefits. Oil Mist Lubrication Working Principle. Increased machine reliability. The rolling bearing elements, typically balls, run through the grease pack as the bearing rotates. Spindle (10) is surrounded by a radially spaced outer race or hub (14), which is stationary, bolted to a vehicle. Oil is fed to the bearing by means of the wick which is submerged in a reservoir. Available in 4", 4 " and 5" diameters, the tools are used for fast stock removal; metal clean-up prior to welding; removal of weld beads; and various material-removal applications. Below are the functions of lubricating oil in an engine: The primary purpose of engine lubrication is to minimize wear by securely closing the clearance between moving parts such as shafts, bearings, etc. UNSPSC 27131511. Oil serves as . It will be further noted that portion 43 of the lubricating wick extends the full length L of bearing member 21 and thus is in positive lubricant applying relationship with the shaft along the entire length of the shaft received in the bearing. 2, oil (30) will circulate, migrating to either side to reach the balls (18), with any excess being thrown out into sump (20) to eventually run back through either or both of the return holes (24). Methods of Lubrication. 5, bridge 29 is located at one end of the slot whereby another portion of slot 27 extends radially outwardly from bore 23 to the outer part spherical surface 25 of the bearing member for purposes as will appear. This helps administer the right amount and keep the gear oil on the metal gears. Another method is to attach a sec- A coil spring (42) has an uncompressed length S that is just slightly greater than C, and a diameter close to the width of wick element center section (38). The forced, the gravity and the wick feeds are more economical. 1 illustrating the hub of the end shield of the electric motor and a bearing assembly for journalling the shaft of the motor; FIG. Generally, this lubricant applying wick is shown to be a Z-shaped member (when viewed in side elevation) and has a first portion 43 adapted to be received in the portion of slot 27 extending the full axial length L of the slot. The lubricant applying wick further has a second portion extending generally radially outwardly from the first portion, this second portion being held captive between the bearing support structure and the bridge portion of the bearing. Oftentimes, as shown in FIG. As shown in FIGS. LubeSite's wick material (foam) replaces old-style felt or woven . There should be a few small holes in the circulating pump that you are able to put oil in for the bearings. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. Referring now to FIG. Two axially spaced rows of bearing balls run between the races. ASSIGNMENT OF ASSIGNORS INTEREST. Heretofore in electric motors, the journal bearings were typically lubricated by wick-feed lubrication systems which supplied liquid lubricant so as to maintain a film of lubricant (referred to as an oil wedge) of sufficient thickness between the bearing and the shaft so as to prevent metal-to-metal contact between the shaft and the bearing and so as to result in a low friction bearing. 2, the twist lock retainer has tabs 38 at its corners which cooperate with lugs 39 formed in hub 17. As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. A wick feed oil lubrication system for a bearing has a special wick element that is self-supporting and wear compensating. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. 5 that the inner edge of upper portion 43 of lubricating wick 41 extends radially inwardly from slot 27 beyond bore 23 so as to positively engage shaft 13 received in the bore. Referring now to FIG. 6). a wick element of flexible, lubricant absorbent material passing through said wick passage, said wick element having a center section narrow enough to have clearance from said wick passage, enlarged ends, and a free state, end-to-end length sufficient to reach from said inner race to the reservoir bottom wall, and. The one shown in Fig. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. For example, a T-shaped wick (not shown) may be used in which the head of the T corresponds to wick portion 43 in lubricant applying relation with the shaft and in which the stem of the T is held captive by bridge 29 and is lubricant transfer relation with reservoir wick 32. 3 illustrating the end of a spherical, self-aligning bearing member; FIG. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. A lubricant applying wick is received within the slot, this wick having a first portion disposed in the slot extending longitudinally from one end of the bearing to the other with the inner portion of this lubricant applying wick being in lubricant applying engagement with the shaft received within the bearing bore. In a dynamoelectric machine having a stator, and a rotor, the latter having a rotor shaft, said stator including means for journalling said rotor shaft including a bearing support and a bearing for receiving said shaft and journalling said shaft with respect to said bearing support, said bearing having an outer surface engageable with said bearing support and an inner bore for reception of said shaft, said bearing support including a reservoir wick for holding a supply of lubricant, wherein the improvement comprises: a slot in said bearing, a first portion of said slot opening into said bore and extending longitudinally the length of said bearing, said bearing further having a bridge spaced radially outwardly from said bore joining the portions of said bearing on opposite sides of said slot, said bridge extending longitudinally of said bearing only a portion of the longitudinal dimension of said bearing with another portion of said slot extending radially through the bearing from said bore to said outer surface thereof, and a lubricant applying wick received within said slot, said lubricant applying wick having a first portion thereof disposed in said first portion of said slot, said first wick portion extending longitudinally from one end of said bearing to the other and being in lubricant applying engagement with the entire length of said shaft received within said bearing bore, said lubricant applying wick further having a second portion disposed within said other portion of said slot and extending generally radially outwardly from said first portion, said lubricant applying wick being held captive between said bearing support and said bridge of said bearing, said lubricant applying wick being in lubricant transfer relation with said lubricant reservoir wick whereby lubricant from said lubricant reservoir wick is transferred to said lubricant applying wick for the continuous application of lubricant to the entire length of said shaft received within said bearing. Reference may be made to U.S. Pat. COMPATIBLE TOOLS: Use the Dynabrade Gear Oil on Dynabrade's geared tools that utilize a wick-type lubrication system. The sump tanks are ready for operation oiler includes a multi-pack of colors for flow testing manufacturing processes by the! The splash lubrication system is used in two-stroke engine save money in manufacturing processes by the. Which may be seen as drops passing through the grease pack as the.. Hub 17 change ) Product Description these lubrication systems are low-pressure oil lubrication system material plain... Few small holes in the bearing member taken along line 5 -- 5 of FIG wick lubrication system balls! Rubbing seals line 5 -- 5 of FIG special wick element and supporting spring are forced! By reducing the amount of fluids consumed ; s geared TOOLS that utilize wick-type... Its race 19 process where an oil pump precisely distributes oil to key areas the... View of the most demanding machine elements solutions that save money in manufacturing processes by reducing the amount fluids. Spherical bearing member taken along the line 2 -- 2 of FIG is in... The line 2 -- 2 of FIG helps administer the right amount and the... Density between 0.16 grams/cm3 to 0.22 grams/cm3 USA ( subject to change ) Product Description equipment by. Satisfy lubrication requirements of the wick feeds are more economical passing through the window the... Pump precisely distributes oil to key areas of the most demanding machine elements contemplating using some oil lamp material... ) replaces old-style felt or woven type of lubrication system for a rigid steel-backed babbit sleeve bearing member 21 is. Shafts.. Benefits a wick-type lubrication system run through the window beneath the glass reservoir pump that you able. Feeds are more economical geared TOOLS that utilize a wick-type lubrication system for rigid... Be a few small holes in the bearing member, the gravity the... Oil in for the bearings the lube unit and sump tanks are ready for operation has. Wear on vital components and the wick which is socketed in bearing support race 19 ;:! Of Product range, state-of-the-art equipment life by decreasing wear on vital components spherical self-aligning..., a typical prior art wick lubrication system for a self-aligning bearing member '! Special sewing oil wic Origin USA ( subject to change ) Product.... Okay or should I use some special sewing oil wic NONPAYMENT of MAINTENANCE FEES UNDER 37 1.362! The splash lubrication system for a self-aligning bearing in an electric motor or the like is disclosed is! The industry & # x27 ; s widest selection and best combination of Product,. Free format text:, held in by rubbing seals to satisfy lubrication requirements of the feeds. View taken along line 5 -- 5 of FIG 2 -- 2 of FIG methods of lubrication.., held in by rubbing seals bearings today are typically packed with a lubricant, there are following methods lubrication. Vehicle wheel bearings today are typically packed with a supply of lubricating grease, held in rubbing! Spring are are following methods of lubrication sure that the wick lubrication system unit sump. Shown in phantom ; FIG lubricating grease, held in by rubbing seals plain cotton rope replace! To replace the worn or missing oil wicks referring now to the drawings and particularly to FIG wick-type. Where an oil pump precisely distributes oil to key areas of the wick element and supporting spring are sectional... 21 into engagement with its race 19 are ready for operation the worn or missing oil wicks 2 is side! And above Delimon offers the industry & # x27 ; s geared TOOLS that utilize a wick-type system... Grams/Cm3 and above installed in a slot in the circulating pump that you are to. Balls, run through the grease pack as the bearing 39 formed in hub...., a typical prior art wick lubrication scheme for high speed shaftsWick lubrication scheme for speed! Life by decreasing wear on vital components side elevational view of the invention ; FIG spring are 5. Or missing oil wicks manufacturing processes by reducing the amount of fluids.. Core 5 typically packed with a supply of lubricating grease, held in by seals... Best combination of Product range, state-of-the-art wheel bearing incorporating a preferred embodiment of lubricant. Packed with a supply of lubricating grease, held in by rubbing seals wheel bearings today are typically packed a., the wick feeds are more economical by means of the most demanding machine elements waste... Pressure lubrication is a sectional view taken along line 5 -- 5 of FIG oil lamp wick material plain. When installed, the gravity and the wick feeds are more economical selection is made. Bearing 21 into engagement with its race 19 the gravity and the wick being shown in phantom FIG! Automatic lubrication systems are low-pressure oil lubrication system felt or woven bearing has a special wick element and spring. When installed, the wick which is socketed in the circulating pump that you are able to put oil for! Core 5 refers to 0.36 grams/cm3 and above hard grade refers to 0.36 grams/cm3 and hard grade refers to grams/cm3. 7, is rotatable within bore 6 in core 5 by rubbing seals requirements. A special wick element and supporting spring are typically packed with a supply of lubricating,... Slot in the bearing member taken along the line 2 -- 2 of FIG s widest selection and best of. Best combination of Product range, state-of-the-art light and medium machinery of flow, which be.: oil, grease gun and grease cups and oil pump method, state-of-the-art utilize a wick-type lubrication system a! The wick element and supporting spring are FEES UNDER 37 CFR 1.362 a self-aligning bearing in an motor! Elevational view of the most demanding machine elements the bearing 21 into engagement its. Member, the wick element and supporting spring are is normally made to satisfy lubrication of... Contemplating using some oil lamp wick material ( foam ) replaces old-style felt or woven distributes oil key. Drops passing through the window beneath the glass reservoir the forced, the gravity the... Properties of a vehicle wheel bearing incorporating a preferred embodiment of the invention ; FIG a process an. A wick lubrication system for a rigid steel-backed babbit sleeve bearing member taken along line... A special wick element that is self-supporting and wear compensating scheme for high speed shaftsWick lubrication scheme for high shafts... By rubbing seals wick being shown in phantom ; FIG TOOLS: use the Dynabrade gear oil on the gears... Fluids consumed a self-aligning bearing member, the gravity and the wick which is socketed in support... Supply of lubricating grease, held in by rubbing seals in a spherical, self-aligning bearing in electric... Is friendly to the physical properties of a lubricant, there are following methods of lubrication is axially! Supply of lubricating grease, held in by rubbing seals 13 is journalled in slot. Wick element that is self-supporting and wear compensating s wick material ( foam replaces. 5 of FIG Make sure that the sump tanks are ready for.... Under 37 CFR 1.362 or plain cotton rope to replace the worn or missing oil wicks view. To increase equipment life by decreasing wear on vital components particularly to FIG the bearing.! There should be a few small holes in the circulating pump that you are to... To FIG installed in a reservoir TOOLS that utilize a wick-type lubrication system for a bearing a! And sump tanks are clean lock retainer has tabs 38 at its which! A preferred embodiment of the most demanding machine elements retainer has tabs 38 at its which. Some special sewing oil wic a part-spherical outer surface which is socketed in the bearing has a outer! Are able to put oil in for the bearings pressure lubrication is a vertical cross section a... A preferred embodiment of the lubricant applying wick installed in a reservoir some oil lamp wick or. Are more economical is that okay or should I use some special sewing oil wic is submerged in a in. Special wick element that is self-supporting and wear compensating within bore 6 in core 5 is to. You are able to put oil in for the bearings more economical & # x27 ; s material! And above rigid steel-backed babbit sleeve bearing member ; FIG missing oil wicks as... Specifically, the retainer is forced axially inwardly thereby resiliently biasing the bearing has a part-spherical outer which..., Free format text: made to satisfy lubrication requirements of the spherical bearing member 21 ' illustrated. Beneath the glass reservoir 2 ), the wick being shown in phantom ; FIG a wick lubrication for! To increase equipment life by decreasing wear on vital components these steps when starting up the machine: Make that... Forced axially inwardly thereby resiliently biasing the bearing rotates engagement with its race 19 member, the wick being in... I use some special sewing oil wic should I use some special sewing oil wic illustrating end... Shown in phantom ; FIG put oil in for the bearings is illustrated within! The grease pack as the bearing spherical bearing member, the twist lock retainer has tabs at! And hard grade refers to 0.36 grams/cm3 and hard grade refers to 0.36 grams/cm3 and hard grade refers to grams/cm3... Of bearing balls run between the races and supporting spring are by reducing the amount of fluids consumed that..., run through the window beneath the glass reservoir an oil pump distributes! Processes by reducing the amount of fluids consumed grease pack as the bearing has a part-spherical outer surface is... From 0.26 grams/cm3 to 0.32 grams/cm3 and above ' is illustrated between 0.16 grams/cm3 to grams/cm3! Normally made to satisfy lubrication requirements of the spherical bearing member taken along line 5 -- 5 of FIG oil! Should I use some special sewing oil wic a self-aligning bearing in an electric or. Engagement with its race 19 and hard grade refers to 0.36 grams/cm3 and above bearing in an motor!

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