System of Measurement System of Measurement |
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For Housing ID For Housing ID |
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OD OD |
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Ball Bearing Type Ball Bearing Type |
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![]() | Standard |
For Load Direction For Load Direction |
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![]() | Radial |
![]() | Combined Radial and Thrust |
Ring Material Ring Material |
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Maximum Speed Maximum Speed |
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Ball Material Ball Material |
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Shaft Mount Type Shaft Mount Type |
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Construction Construction |
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Cage Material Cage Material |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity | Show |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity | Hide |
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Lubrication Lubrication |
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Lubricant Lubricant |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Ball and Roller Bearings
More
Permanently Lubricated Stainless Steel Ball Bearings

A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.
Sealed bearings have even better resistance to dust and contaminants than open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
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Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
6910 | 50 | 72 | 12 | 440C Stainless Steel | 3,250 | 2,600 | 5,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 0000000 |
Sealed | ||||||||||||
6910-2RS | 50 | 72 | 12 | 440C Stainless Steel | 3,250 | 2,600 | 5,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
Ultra-Thin Ball Bearings


These bearings have twice as many contact points as angular-contact ball bearings. Fit onto large-diameter hollow shafts to run air and hydraulic lines, electrical wiring, and other components through moving parts in assemblies such as index and rotary tables, packaging equipment, and robotics.
Open bearings dissipate heat more efficiently than shielded bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | Moment Load Cap., ft.-lbs. | ||||||||||||
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For Shaft Dia. | For Housing ID | Wd. | Dynamic | Static | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Steel Ring | ||||||||||||||
Open | ||||||||||||||
50mm | 72mm | 12mm | 3,250 | 2,600 | Not Rated | Not Rated | Not Rated | Not Rated | 11,000 | Lubricated | -50° to 130° | ABEC-1 | 00000000 | 000000 |
Shielded | ||||||||||||||
50mm | 72mm | 12mm | 3,250 | 2,600 | Not Rated | Not Rated | Not Rated | Not Rated | 9,000 | Lubricated | -40° to 150° | ABEC-1 | 00000000 | 00000 |
Tapered-Roller Bearings


Found anywhere from machine tool spindles to conveyor rollers, these bearings have a two-piece design that allows for adjustment.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | |||||||||||
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For Shaft Dia. | For Housing ID | Wd. | Bearing Trade Number | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Each | |
Steel Ring | ||||||||||||
Open | ||||||||||||
35mm | 72mm | 15mm | 30207 | 3,250 | 14,300 | 2,100 | 15,600 | 2,900 | Required | -60° to 200° | 0000000 | 000000 |