| Bearing number |
4T-740/742 |
| Size (mm) |
80.962x150.089x44.45 |
| Bore Diameter (mm) |
80,962 |
| Outer Diameter (mm) |
150,089 |
| Width (mm) |
44,45 |
| d |
80,962 mm |
| D |
150,089 mm |
| T |
44,45 mm |
| B |
46,672 mm |
| C |
36,512 mm |
| ra1 max. |
3,3 mm |
| a |
12 mm |
| Da |
134 mm |
| db |
91 mm |
| ra max. |
5 mm |
| da |
101 mm |
| Db |
142 mm |
| Weight |
3,43 Kg |
| Basic dynamic load rating (C) |
261 kN |
| Basic static load rating (C0) |
360 kN |
| (Grease) Lubrication Speed |
2 400 r/min |
| (Oil) Lubrication Speed |
3 200 r/min |
| Calculation factor (e) |
0,33 |
| Calculation factor (Y0) |
1,01 |
| d1 |
114.5 mm |
| e |
0.33 |
| Y2 |
1.84 |
| Y0 |
1.01 |
| Mass |
3.43 kg |
| Dynamic load, C |
261 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
360 kN |
| Fatigue limit load, Cu |
42 kN |
| Nlim (oil) |
3,200 rpm |
| Nlim (grease) |
2,400 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 |
6.55 Hz |
| Characteristic outer ring frequency, BPF0 |
7.69 Hz |
| Characteristic inner ring frequency, BPFI |
10.31 Hz |
| ra max |
5 mm |
| r1a max |
3.3 mm |