Koyo 7321 angular contact ball bearing
Koyo 7321 angular contact ball bearing: bore d 105 mm, outside diameter D 225 mm, width 49 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 | 105 mm |
|---|---|
| Outside diameter D | 225 mm |
| Width | 49 mm |
| Limiting speed, grease lubrication | 3500 min-1 |
| Limiting speed, oil lubrication | 4400 min-1 |
| Mass | 8.62 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (105 × 225 × 49 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 6321LU | NTN | deep groove ball bearing |
| 6321LUC3 | NTN | deep groove ball bearing |
| 6321LUN | NTN | deep groove ball bearing |
| 6321LUNC3 | NTN | deep groove ball bearing |
| 6321ZN | NTN | deep groove ball bearing |
| 6321ZNC3 | NTN | deep groove ball bearing |
| N321 | Koyo | cylindrical roller bearing |
| NF321 | Koyo | cylindrical roller bearing |
| 6321 2RS | Koyo | deep groove ball bearing |
| 6321 2RU | Koyo | deep groove ball bearing |
| 6321 ZZX | Koyo | deep groove ball bearing |
| 6321 | 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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