SKF NCF 2228 ECJB cylindrical roller bearings
We work closely with our SKF NCF 2228 ECJB cylindrical roller bearings manufacturing partners to bring 40x17x12 Size (mm) the best value to customers.
| Size (mm) | 40x17x12 |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 17 |
| Width (mm) | 12 |
| d | 17 mm |
| D | 40 mm |
| B | 12 mm |
| d1 | 25 mm |
| D1 | 32.35 mm |
| F | 22.1 mm |
| r1,2 – min. | 0.6 mm |
| r3,4 – min. | 0.6 mm |
| s | 1 mm |
| da – min. | 20.7 mm |
| da – max. | 21.1 mm |
| db – min. | 27 mm |
| Da – max. | 36 mm |
| ra – max. | 0.6 mm |
| Basic dynamic load rating – C | 17.2 kN |
| Basic static load rating – C0 | 14.3 kN |
| Fatigue load limit – Pu | 1.7 kN |
| Reference speed | 19000 r/min |
| Limiting speed | 22000 r/min |
| Calculation factor – kr | 0.23 |
| d1 ≈ | 25 mm |
| D1 ≈ | 32.35 mm |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.6 mm |
| s max. | 1 mm |
| da min. | 20.7 mm |
| da max. | 21.1 mm |
| db min. | 27 mm |
| Da max. | 36 mm |
| ra max. | 0.6 mm |
| Basic dynamic load rating C | 20 kN |
| Basic static load rating C0 | 14.3 kN |
| Fatigue load limit Pu | 1.73 kN |
| Calculation factor kr | 0.23 |
| Limiting value e | 0.2 |
| Axial load factor Y | 0.6 |
| Mass bearing | 0.083 kg |
Detailed Parameters
parameter：
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