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About Ball and Roller Bearings
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Square-Bore Ball Bearings
Mount these bearings onto a square shaft. They have an extended inner ring for additional shaft support. Since they’re sealed, they block out dust and contaminants better than open and shielded bearings.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Radial Load Cap., lbs. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number  | For Shaft Wd., mm | Square Wd., mm | For Housing ID, mm | Wd., mm | OD, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Sealed | |||||||||||||||
| GW211SPP17 | 38.5 | 38.887 | 100 | 33.3 | 69.8 | 44.4 | Steel | 9,750 | 6,550 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 000000 |
| GW212SPP50 | 45 | 45.466 | 110 | 38.2 | 76.2 | 50.8 | Steel | 11,800 | 8,100 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 000000 |
| W208PP5 | 29.5 | 29.972 | 80 | 18 | 52.6 | 36.5 | Steel | 7,300 | 4,600 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 00000 |
| W208PP6 | 26 | 26.162 | 80 | 18 | 52.6 | 36.5 | Steel | 7,300 | 4,450 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 00000 |