ISO NJ1921 cylindrical roller bearings

High Quality ISO NJ1921 cylindrical roller bearings. Competitive Pricing. 4,762 Bore Diameter (mm) Accept Small Order. Easy and Fast Shipping. 4.762×1.397×1.984 Size (mm)
Size (mm) | 4.762×1.397×1.984 |
Bore Diameter (mm) | 4,762 |
Outer Diameter (mm) | 1,397 |
Width (mm) | 1,984 |
d | 1.397 mm |
D | 4.762 mm |
B | 1.984 mm |
d1 | 2.33 mm |
D1 | 3.8 mm |
r1,2 – min. | 0.1 mm |
da – min. | 2.2 mm |
Da – max. | 3.9 mm |
ra – max. | 0.1 mm |
Basic dynamic load rating – C | 0.133 kN |
Basic static load rating – C0 | 0.034 kN |
Fatigue load limit – Pu | 0.001 kN |
Reference speed | 200000 r/min |
Limiting speed | 130000 r/min |
Calculation factor – kr | 0.03 |
Calculation factor – f0 | 5.7 |
d1 ≈ | 2.33 mm |
D1 ≈ | 3.8 mm |
r1,2 min. | 0.1 mm |
da min. | 2 mm |
Da max. | 3.9 mm |
ra max. | 0.1 mm |
Basic dynamic load rating C | 0.133 kN |
Basic static load rating C0 | 0.034 kN |
Fatigue load limit Pu | 0.001 kN |
Calculation factor kr | 0.03 |
Calculation factor f0 | 5.7 |
Mass bearing | 0.0002 kg |
Detailed Parameters
parameter:
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