4R4449 NTN Cylindrical Roller Bearing
4R4449 NTN Cylindrical Roller Bearing Deal is your 157 mm D 151 mm Db min. source for OEM Tapered Roller Bearing and accessories. NTK BEARING PRECISION AXLE CORP. We sell GenuineTapered Roller Bearing at 3.5 mm rb max. discount prices.
| Brand Name: | NTN |
| Model Number: | 4R4449 |
| rb max.: | 3.5 mm |
| D: | 157 mm |
| Db min.: | 151 mm |
| Fatigue load limit Pu: | 42.5 kN |
| T: | 42 mm |
| B: | 42 mm |
| C: | 34 mm |
| a: | 31.706 mm |
| PDF |
4R4449 |
Product Details
| rb max. | 3.5 mm |
| D | 157 mm |
| Db min. | 151 mm |
| Fatigue load limit Pu | 42.5 kN |
| T | 42 mm |
| B | 42 mm |
| C | 34 mm |
| a | 31.706 mm |
| Calculation factor e | 0.33 |
| Cb min. | 8 mm |
| Calculation factor Y | 1.8 |
| r1,2 min. | 8 mm |
| da max. | 111 mm |
| Da min. | 140 mm |
| Da max. | 143.5 mm |
| Dimension series | HM 220100 |
| Ca min. | 7 mm |
| ra max. | 8 mm |
| d1 ≈ | 127.1 mm |
| Basic dynamic load rating C | 303 kN |
