4R4445 NTN Cylindrical Roller Bearing
4R4445 NTN Cylindrical Roller Bearing Needs Analysis , 55 mm db - Cone Backface Backing Diameter Shanghai Ruonan-Power Co., Ltd. Tapered Roller Bearing Manufacturing Service . 39.5 G1 - Heat Generation Factor (Roller-Raceway) Get 40 mm d Your Free.
| Brand Name: | NTN |
| Model Number: | 4R4445 |
| d: | 40 mm |
| db - Cone Backface Backing Diameter: | 55 mm |
| G1 - Heat Generation Factor (Roller-Raceway): | 39.5 |
| K - Factor8: | 1.7 |
| WPD: | 78.9 mm |
| Series: | JF4000 |
| C1 - Dynamic Radial Rating (1 million revolutions)6: | 162000 N |
| Ab - Cage-Cone Frontface Clearance: | 2.5 mm |
| PDF |
4R4445 |
Product Details
| d | 40 mm |
| db - Cone Backface Backing Diameter | 55 mm |
| G1 - Heat Generation Factor (Roller-Raceway) | 39.5 |
| K - Factor8 | 1.7 |
| WPD | 78.9 mm |
| Series | JF4000 |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 162000 N |
| Ab - Cage-Cone Frontface Clearance | 2.5 mm |
| C0 - Static Radial Rating | 160000 N |
| a - Effective Center Location4 | -10.2 mm |
| DD | 67.6 mm |
| Aa - Cage-Cone Backface Clearance | 0.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 42100 N |
| B - Cone Width | 32.500 mm |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 24800 N |
| da - Cone Frontface Backing Diameter | 49 mm |
| Cone Part Number | JF4049 |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 63600 lbf |
| Cage Type | Stamped Steel |
| Design Units | METRIC |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-8689236 |
