About Ball and Roller Bearings
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Ball Bearings
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number  | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
| 6311 | 55mm | 120mm | 29mm | Steel | 17,100 | 10,600 | 8,500 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
Permanently Lubricated Ball Bearings
A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. Because it's solid, the lubricant blocks out water and dust, extending the life of the bearing.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
| 6311 | 55mm | 120mm | 29mm | Steel | 13,100 | 10,100 | 3,300 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 0000000 |
Shims for Ball Bearing Housings
Also called tolerance rings, these rings are for use in stamped, molded, or worn housings to form a tight hold on the bearings. They work like a spring, creating tension between the bearing and the housing to hold the bearing in place. They also reduce vibration and compensate for some thermal expansion between the housing and the bearing and eliminate the need for keys, pins, and adhesives. They're made of stainless steel for corrosion resistance.
For technical drawings and 3-D models, click on a part number.
For Bearing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Trade No. | OD | Wd. | Static Radial Load Capacity, lbs. | Bearing Mount Bore Dia. | Thick. | Corrugation Ht. | Misalignment Capability | Material | Minimum Hardness | Each | |
Metric | |||||||||||
| 6311 | 120mm | 29mm | 7,950 | 121.89mm-121.97mm | 0.203mm-0.508mm | 0.749mm-1.25mm | 0.5° | 301 Stainless Steel | Rockwell C40 | 0000000 | 000000 |