
Koyo 7309C angular contact ball bearing
Koyo 7309C angular contact ball bearing: bore d 45 mm, outside diameter D 100 mm, width 25 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 | 45 mm |
|---|---|
| Outside diameter D | 100 mm |
| Width | 25 mm |
| Limiting speed, grease lubrication | 11000 min-1 |
| Limiting speed, oil lubrication | 15000 min-1 |
| Mass | 0.875 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (45 × 100 × 25 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 6309LU | NTN | deep groove ball bearing |
| 6309LUC3 | NTN | deep groove ball bearing |
| 6309LUN | NTN | deep groove ball bearing |
| 6309LUNC3 | NTN | deep groove ball bearing |
| 6309ZN | NTN | deep groove ball bearing |
| 6309ZNC3 | NTN | deep groove ball bearing |
| N309 | Koyo | cylindrical roller bearing |
| NF309 | Koyo | cylindrical roller bearing |
| NJ309R | Koyo | cylindrical roller bearing |
| NU309R | Koyo | cylindrical roller bearing |
| NUP309R | Koyo | cylindrical roller bearing |
| 6309 2RD | 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. 10 more share this size.
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