Koyo 6344 deep groove ball bearing
Koyo 6344 deep groove ball bearing: bore d 220 mm, outside diameter D 460 mm, width 88 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 | 220 mm |
|---|---|
| Outside diameter D | 460 mm |
| Width | 88 mm |
| Basic dynamic load rating Cr | 542 kN |
| Basic static load rating C0r | 539 kN |
| Limiting speed, grease lubrication | 1200 min-1 |
| Limiting speed, oil lubrication | 1500 min-1 |
| Mass | 71.6 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (220 × 460 × 88 mm)
| Part | Manufacturer | Type |
|---|---|---|
| N344 | Koyo | cylindrical roller bearing |
| NF344 | Koyo | cylindrical roller bearing |
| NJ344 | Koyo | cylindrical roller bearing |
| NU344 | Koyo | cylindrical roller bearing |
| NUP344 | Koyo | cylindrical roller 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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