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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