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 |