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About Ball and Roller Bearings
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Ball 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.
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 | Specifications Met | Each | |
| 634-2Z | 4mm | 16mm | 5mm | Steel | 440 | 150 | 53,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
Precision Ball Bearings
Shielded
For greater accuracy and higher speeds, these bearings are made to tighter tolerances than standard ball bearings.
Shielded bearings dissipate heat more efficiently than sealed bearings.
For technical drawings and 3-D models, click on a part number.
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 | |
Shielded | ||||||||||||
| 634-2Z | 4 | 16 | 5 | Steel | 250 | 90 | 48,000 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 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.
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.
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 | |
| 634-2Z | 4mm | 16mm | 5mm | 18mm | 1mm | 440C Stainless Steel | 250 | 90 | 46,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 000000 |
| 634-2Z | 4mm | 16mm | 5mm | 18mm | 1mm | Steel | 300 | 110 | 46,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 00000 |