| Bearing number |
4T-JHM318448/JHM318410 |
| Size (mm) |
90x155x44 |
| Bore Diameter (mm) |
90 |
| Outer Diameter (mm) |
155 |
| Width (mm) |
44 |
| d |
90 mm |
| D |
155 mm |
| T |
44 mm |
| B |
44 mm |
| C |
35,5 mm |
| ra1 max. |
2,5 mm |
| a |
10,1 mm |
| Da |
140 mm |
| db |
100 mm |
| ra max. |
3 mm |
| da |
106 mm |
| Db |
148 mm |
| Weight |
3,32 Kg |
| Basic dynamic load rating (C) |
270 kN |
| Basic static load rating (C0) |
385 kN |
| (Grease) Lubrication Speed |
2 300 r/min |
| (Oil) Lubrication Speed |
3 100 r/min |
| Calculation factor (e) |
0,34 |
| Calculation factor (Y0) |
0,97 |
| d1 |
120.5 mm |
| e |
0.34 |
| Y2 |
1.76 |
| Y0 |
0.97 |
| Mass |
3.32 kg |
| Dynamic load, C |
270 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
385 kN |
| Fatigue limit load, Cu |
44.2 kN |
| Nlim (oil) |
3,100 rpm |
| Nlim (grease) |
2,300 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.43 Hz |
| Characteristic rolling element frequency, BSF |
6.92 Hz |
| Characteristic outer ring frequency, BPF0 |
8.19 Hz |
| Characteristic inner ring frequency, BPFI |
10.81 Hz |
| ra max |
3 mm |
| r1a max |
2.5 mm |