4R4449 NTN Cylindrical Roller Bearing
4R4449 NTN Cylindrical Roller Bearing Industries and NACHI BEARINGS OF AMERICA CORP. Applications 200 N/µm Static axial stiffness, preload class B ? We sell discount Thrust Spherical Roller Bearing online as well as cheap machinery parts.
| Brand Name: | NTN |
| Model Number: | 4R4449 |
| Static axial stiffness, preload class B: | 200 N/µm |
| D1: | 82.22 mm |
| Db max.: | 90.8 mm |
| db min.: | 66 mm |
| d1: | 72.74 mm |
| Preload class B GB: | 440 N |
| d2: | 70.6 mm |
| D: | 95 mm |
| PDF |
4R4449 |
Product Details
| Static axial stiffness, preload class B | 200 N/µm |
| D1 | 82.22 mm |
| Db max. | 90.8 mm |
| db min. | 66 mm |
| d1 | 72.74 mm |
| Preload class B GB | 440 N |
| d2 | 70.6 mm |
| D | 95 mm |
| Mass bearing | 0.39 kg |
| r3,4 min. | 0.6 mm |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Da max. | 89 mm |
| Static axial stiffness, preload class C | 260 N/µm |
| Preload class C GC | 870 N |
| Calculation factor f | 1.08 |
| Number of balls z | 25 |
| Basic static load rating C0 | 12.2 kN |
| Calculation factor e | 0.68 |
| rb max. | 0.6 mm |
| Reference grease quantity Gref | 5.3 cm³ |
