4R4444 NTN Cylindrical Roller Bearing
4R4444 NTN Cylindrical Roller Bearing Engineering Calculator , Thrust Spherical Roller Bearing Manufacturing NACHI BEARINGS OF AMERICA CORP. 0.08 Coefficient of friction µ min. Service . Get Your Free.
| Brand Name: | NTN |
| Model Number: | 4R4444 |
| Coefficient of friction µ min.: | 0.08 |
| B: | 350 mm |
| Coefficient of friction µ max.: | 0.15 |
| D: | 250 mm |
| α: | 124 ° |
| Tolerance shaft: | e7 |
| Permissible sliding velocity v max.: | 0.5 m/s |
| Mass bushing: | 23.2 kg |
| PDF |
4R4444 |
Product Details
| Coefficient of friction µ min. | 0.08 |
| B | 350 mm |
| Coefficient of friction µ max. | 0.15 |
| D | 250 mm |
| α | 124 ° |
| Tolerance shaft | e7 |
| Permissible sliding velocity v max. | 0.5 m/s |
| Mass bushing | 23.2 kg |
| Tolerance housing | H7 |
| Specific static load factor K0 | 45 N/mm² |
| Permissible sliding velocity v min. | 0 m/s |
| a | 17.5 mm |
| Specific dynamic load factor K | 25 N/mm² |
| h | 232.5 mm |
| d | 230 mm |
