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 |