NTN CRD-2252 tapered roller bearings
Browse 1,2 Outer Diameter (mm) NTN CRD-2252 tapered roller bearings Categories 4×1.2×1.8 Size (mm) 4 Bore Diameter (mm) in the Manufacturers Online Free. including .
| Size (mm) | 4×1.2×1.8 |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 1,2 |
| Width (mm) | 1,8 |
| d | 1.2 mm |
| D | 4 mm |
| B | 1.8 mm |
| d1 | 2.15 mm |
| D1 | 3.05 mm |
| r1,2 – min. | 0.1 mm |
| da – min. | 2 mm |
| Da – max. | 3.2 mm |
| ra – max. | 0.1 mm |
| Basic dynamic load rating – C | 0.062 kN |
| Basic static load rating – C0 | 0.016 kN |
| Fatigue load limit – Pu | 0.001 kN |
| Reference speed | 220000 r/min |
| Limiting speed | 140000 r/min |
| Calculation factor – kr | 0.02 |
| Calculation factor – f0 | 6.4 |
| d1 ≈ | 2.15 mm |
| D1 ≈ | 3.05 mm |
| r1,2 min. | 0.1 mm |
| da min. | 2 mm |
| Da max. | 3.2 mm |
| ra max. | 0.1 mm |
| Basic dynamic load rating C | 0.062 kN |
| Basic static load rating C0 | 0.016 kN |
| Fatigue load limit Pu | 0.001 kN |
| Calculation factor kr | 0.02 |
| Calculation factor f0 | 6.4 |
| Mass bearing | 0.0001 kg |
Detailed Parameters
parameter：
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