Koyo 7228B angular contact ball bearing
Koyo 7228B angular contact ball bearing: bore d 140 mm, outside diameter D 250 mm, width 42 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 | 140 mm |
|---|---|
| Outside diameter D | 250 mm |
| Width | 42 mm |
| Limiting speed, grease lubrication | 2200 min-1 |
| Limiting speed, oil lubrication | 2900 min-1 |
| Mass | 7.76 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (140 × 250 × 42 mm)
| Part | Manufacturer | Type |
|---|---|---|
| N228 | Koyo | cylindrical roller bearing |
| NF228 | Koyo | cylindrical roller bearing |
| NJ228R | Koyo | cylindrical roller bearing |
| NU228R | Koyo | cylindrical roller bearing |
| NUP228R | Koyo | cylindrical roller bearing |
| 6228 2RS | Koyo | deep groove ball bearing |
| 6228 2RU | Koyo | deep groove ball bearing |
| 6228 ZZX | Koyo | deep groove ball bearing |
| 6228 | 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.
Documents
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