NP302939 Timken Tapered Roller Bearing
NP302939 Timken Tapered Roller Bearing Stamped Steel Cage Type Shanghai Shengjie Bearing Co., Ltd. with easy-to-use parts 3900 Series graphics, giving you the ability to check 4.29 in Da - Cup Frontface Backing Diameter parts availability, Thrust Spherical Roller Bearing pricing, examine remanufactured options.
| Brand Name: | Timken |
| Model Number: | NP302939 |
| Cage Type: | Stamped Steel |
| Series: | 3900 |
| Da - Cup Frontface Backing Diameter: | 4.29 in |
| K - Factor7: | 1.45 |
| Aa - Cage-Cone Backface Clearance: | 0.06 in |
| Design Units: | Imperial |
| R - Cone Backface To Clear Radius1: | 0.14 in |
| B - Cone Width: | 1.1830 in |
Product Details
| Cage Type | Stamped Steel |
| Series | 3900 |
| Da - Cup Frontface Backing Diameter | 4.29 in |
| K - Factor7 | 1.45 |
| Aa - Cage-Cone Backface Clearance | 0.06 in |
| Design Units | Imperial |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| B - Cone Width | 1.1830 in |
| Cup Part Number | 3920-B |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 8090 lbf |
| D | 4.4375 in |
| a - Effective Center Location3 | -0.18 in |
| Cg - Geometry Factor11 | 0.109 |
| da - Cone Frontface Backing Diameter | 2.6 in |
| C1 - Cup Flange Width | 0.1875 in |
| d | 2.2500 in |
| e - ISO Factor8 | 0.4 |
| T1 - Bearing Width | 1.1875 in |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 75.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 21.3 |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-7233546 |
