| Bearing number |
4T-18590/18520 |
| Size (mm) |
41.275x73.025x16.667 |
| Bore Diameter (mm) |
41,275 |
| Outer Diameter (mm) |
73,025 |
| Width (mm) |
16,667 |
| d |
41,275 mm |
| D |
73,025 mm |
| T |
16,667 mm |
| B |
17,462 mm |
| C |
12,7 mm |
| ra1 max. |
1,5 mm |
| a |
2,9 mm |
| Da |
66 mm |
| db |
46 mm |
| ra max. |
3,5 mm |
| da |
53 mm |
| Db |
69 mm |
| Weight |
0,281 Kg |
| Basic dynamic load rating (C) |
46 kN |
| Basic static load rating (C0) |
55,5 kN |
| (Grease) Lubrication Speed |
5 000 r/min |
| (Oil) Lubrication Speed |
6 600 r/min |
| Calculation factor (e) |
0,35 |
| Calculation factor (Y0) |
0,94 |
| d1 |
56.8 mm |
| e |
0.35 |
| Y2 |
1.71 |
| Y0 |
0.94 |
| Mass |
0.28 kg |
| Dynamic load, C |
46 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
55.5 kN |
| Fatigue limit load, Cu |
6.8 kN |
| Nlim (oil) |
6,600 rpm |
| Nlim (grease) |
5,000 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.44 Hz |
| Characteristic rolling element frequency, BSF |
7.58 Hz |
| Characteristic outer ring frequency, BPF0 |
8.74 Hz |
| Characteristic inner ring frequency, BPFI |
11.26 Hz |
| ra max |
3.5 mm |
| r1a max |
1.5 mm |