KOYO RNA4903 needle roller bearings
Our highly-skilled and factory-trained service experts have the resources to help you with all your KOYO RNA4903 needle roller bearings needs - including routine maintenance, AURORA Bearing Supply Co., Ltd. major repairs, warranty service, and 165x120x22 bearing equipment 15 mm Fw inspections.
What is RNA4903 bearing cross reference?
Brand Name: | KOYO |
Model Number: | RNA4903 |
B: | 28 mm |
D1 ≈: | 77.8 mm |
d2 ≈: | 52.4 mm |
d: | 45 mm |
K: | 3 mm |
r1,2 min.: | 1.1 mm |
D: | 85 mm |
Recommended lock nut tightening angle α: | 130 ° |
PDF |
RNA4903 |
Product Details
B | 28 mm |
D1 ≈ | 77.8 mm |
d2 ≈ | 52.4 mm |
d | 45 mm |
K | 3 mm |
r1,2 min. | 1.1 mm |
D | 85 mm |
Recommended lock nut tightening angle α | 130 ° |
Calculation factor e | 0.26 |
Fatigue load limit Pu | 10.8 kN |