Koyo 7904C angular contact ball bearing
Koyo 7904C angular contact ball bearing: bore d 20 mm, outside diameter D 37 mm, width 9 mm.
Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.
Specifications
| Bore d | 20 mm |
|---|---|
| Outside diameter D | 37 mm |
| Width | 9 mm |
| Limiting speed, grease lubrication | 30000 min-1 |
| Limiting speed, oil lubrication | 39000 min-1 |
| Mass | 0.035 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (20 × 37 × 9 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 6904LU | NTN | deep groove ball bearing |
| 6904LUC3 | NTN | deep groove ball bearing |
| 6904LUN | NTN | deep groove ball bearing |
| 6904LUNC3 | NTN | deep groove ball bearing |
| 6904ZN | NTN | deep groove ball bearing |
| 6904ZNC3 | NTN | deep groove ball bearing |
| 6904 2RD | Koyo | deep groove ball bearing |
| 6904 2RS | Koyo | deep groove ball bearing |
| 6904 2RU | Koyo | deep groove ball bearing |
| 6904 ZZ | Koyo | deep groove ball bearing |
| 6904 | Koyo | deep groove ball bearing |
These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting.
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