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 |