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About Ball and Roller Bearings
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Stainless Steel Ball Bearings
Bearings are 440C stainless steel for good corrosion resistance.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Shielded
Shielded
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 | |
| 128-2Z | 8mm | 12mm | 3.5mm | 440C Stainless Steel | 120 | 50 | 48,000 | Lubricated | -40° to 240° | ABEC-5 | 00000000 | 00000 |
Flanged Ball Bearings
The flange ensures proper positioning inside a tube or housing.
440C stainless steel bearings are more corrosion resistant than steel bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Shielded
Shielded
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 | |
| 128-2Z | 8mm | 12mm | 3.5mm | 13.2mm | 0.8mm | 440C Stainless Steel | 90 | 45 | 46,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 000000 |
| 128-2Z | 8mm | 12mm | 3.5mm | 13.2mm | 0.8mm | Steel | 120 | 60 | 46,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 00000 |
| 128-2Z | 8mm | 12mm | 3.5mm | 13.6mm | 0.8mm | 440C Stainless Steel | 120 | 50 | 48,000 | Lubricated | -20° to 250° | ABEC-5 | 00000000 | 0000 |