4R4445 NTN Cylindrical Roller Bearing
4R4445 NTN Cylindrical Roller Bearing with easy-to-use parts graphics, giving you the ability to 18 mm B check parts availability, Tapered Roller Bearing handong Zhiyuan Bearing Co., Ltd pricing, examine remanufactured 0.6 mm r3,4 min. options.
| Brand Name: | NTN |
| Model Number: | 4R4445 |
| B: | 18 mm |
| r3,4 min.: | 0.6 mm |
| d2: | 70.6 mm |
| Static axial stiffness, preload class B: | 75 N/µm |
| da min.: | 66 mm |
| Ball diameter Dw: | 7.938 mm |
| Calculation factor f2A: | 1 |
| ra max.: | 1 mm |
| PDF |
4R4445 |
Product Details
| B | 18 mm |
| r3,4 min. | 0.6 mm |
| d2 | 70.6 mm |
| Static axial stiffness, preload class B | 75 N/µm |
| da min. | 66 mm |
| Ball diameter Dw | 7.938 mm |
| Calculation factor f2A | 1 |
| ra max. | 1 mm |
| Calculation factor f1 | 1 |
| d | 60 mm |
| Calculation factor f2C | 1.05 |
| D1 | 82.22 mm |
| Basic static load rating C0 | 12.9 kN |
| db min. | 66 mm |
| Reference grease quantity Gref | 5.3 cm³ |
| Number of balls z | 25 |
| D | 95 mm |
| Fatigue load limit Pu | 0.54 kN |
| a | 19.5 mm |
| r1,2 min. | 1.1 mm |
Company Profile
| Worktime |
8:30-17:30 |
| Phone |
86-55-0286 |
