SKU: 6904DDU-NSK
NSK 6904DDU Thin Section Rubber Sealed Deep Groove Ball Bearing 20x37x9mm
Equivalent to: 6904NSE 6904DU 6904RS 6904RSH 6904P 6904RSR 6904LU 61904NSE 61904DU 61904RS 61904RSH 61904P 61904RSR 61904LU 69042NSE 69042RS 69042RS1 69042RSH 6904PP 69042RSR 69042RSR 619042NSE 61904DDU 619042RS 619042RS1 619042RSH 61904PP 619042RSR 61904LLU
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Description
Rubber Sealed Deep Groove Ball Bearings: One of the most commonly used bearings, these types are manufactured with rubber seals inserted into the outer raceway and in contact with the inner race providing protection against the ingress of moisture, dust and other foreign matter and serve to retain the pre-filled grease in the bearing |
- Brand / Quality:
- NSK - High Quality
- Inside Diameter:
- 20mm
- Outside Diameter:
- 37mm
- Width:
- 9mm
- Seals / Shields:
- Rubber Sealed
- Clearance:
- * Standard
Technical
| d | 20mm |
|---|---|
| D | 37mm |
| B | 9mm |
| r min | 0.3mm |
| Dynamic load Cr | 6400 N (650 kgf) |
| Static load Cor | 3700 N (375 kgf) |
| Factor | 14.7 |
| Speed in grease | 12000 rpm |
| Speed in oil | 22000 rpm |
| Weight | 0.037 kg |
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