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About Ball and Roller Bearings
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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.
Metric Bearings
Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||||||||||||
| 688 | 8 | 16 | 4 | 440C Stainless Steel | 210 | 110 | 25,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
Flanged Ball Bearings
The flange ensures proper positioning inside a tube or housing.
440C stainless steel bearings are more corrosion resistant than steel bearings.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Open
Open
Flanged Bearing
Flange | Radial Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Thick. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
| 688 | 8mm | 16mm | 4mm | 18mm | 1mm | 440C Stainless Steel | 220 | 100 | 47,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 000000 |
| 688 | 8mm | 16mm | 4mm | 18mm | 1mm | Steel | 280 | 130 | 47,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 0000 |