NTN 6311ZN deep groove ball bearing
NTN 6311ZN deep groove ball bearing Single Shielded CN (NTN Bearing Finder: Item # 6311ZN): bore d 55.000 mm (2.1654 in), outside diameter D 120.000 mm (4.7244 in), width 29.000 mm (1.1417 in).
Specifications
| Bore d | 55.000 mm |
|---|---|
| Outside diameter D | 120.000 mm |
| Width | 29.000 mm |
| Basic dynamic load rating Cr | 79.50 kN |
| Basic static load rating C0r | 45.00 kN |
| Limiting speed, grease lubrication | 5800 RPM |
| Limiting speed, oil lubrication | 6800 RPM |
| Enclosure | Single Shielded |
| Radial internal clearance | CN |
| Cage type | Pressed |
| Cage material | Steel |
| Bore type | Round |
| Precision | Class 0 |
| Material | High Carbon Chrome Steel |
| Type | Ball Bearing |
All specifications: Verifiedprinted in NTN’s own product listing
Same size, other makers and types (55 × 120 × 29 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 7311 | Koyo | angular contact ball bearing |
| 7311B | Koyo | angular contact ball bearing |
| 7311C | Koyo | angular contact ball bearing |
| N311 | Koyo | cylindrical roller bearing |
| NF311 | Koyo | cylindrical roller bearing |
| NJ311R | Koyo | cylindrical roller bearing |
| NU311R | Koyo | cylindrical roller bearing |
| NUP311R | Koyo | cylindrical roller bearing |
| 6311 2RS | Koyo | deep groove ball bearing |
| 6311 2RU | Koyo | deep groove ball bearing |
| 6311 ZZ | Koyo | deep groove ball bearing |
| 6311 | 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. 6 more share this size.