NN3020KTN9/SPVR521 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series
We China 608rs Bearing Supplier work closely with our NN3020KTN9/SPVR521 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series manufacturing partners to bring the best value to customers. 250 mm d 25 N/mm² Specific dynamic load factor K
Brand Name: | SKF |
Model Number: | NN3020KTN9/SPVR521 |
d: | 250 mm |
Specific dynamic load factor K: | 25 N/mm² |
D1: | 285 mm |
Coefficient of friction µ max.: | 0.15 |
B: | 100 mm |
h: | 252.5 mm |
Mass bushing: | 7.21 kg |
Tolerance shaft: | e7 |
Product Details
d | 250 mm |
Specific dynamic load factor K | 25 N/mm² |
D1 | 285 mm |
Coefficient of friction µ max. | 0.15 |
B | 100 mm |
h | 252.5 mm |
Mass bushing | 7.21 kg |
Tolerance shaft | e7 |
B1 | 10 mm |
Permissible sliding velocity v min. | 0 m/s |
a | 5 mm |
Coefficient of friction µ min. | 0.08 |
Specific static load factor K0 | 45 N/mm² |
D | 270 mm |
Permissible sliding velocity v max. | 0.5 m/s |
Tolerance housing | H7 |
α | 124 ° |