| Bearing number |
4T-30210 |
| Size (mm) |
50x90x21.75 |
| Bore Diameter (mm) |
50 |
| Outer Diameter (mm) |
90 |
| Width (mm) |
21,75 |
| d |
50 mm |
| D |
90 mm |
| T |
21,75 mm |
| B |
20 mm |
| C |
17 mm |
| ra1 max. |
1,5 mm |
| a |
19,5 mm |
| r min. |
1,5 mm |
| r1 min. |
1,5 mm |
| da min. |
58,5 mm |
| Da min |
79 mm |
| Da max. |
81,5 mm |
| db max. |
58 mm |
| Db min. |
85 mm |
| ra max. |
1,5 mm |
| Sa |
3 mm |
| Sb |
4,5 mm |
| Weight |
0,563 Kg |
| Basic dynamic load rating (C) |
77 kN |
| Basic static load rating (C0) |
93 kN |
| (Grease) Lubrication Speed |
4 000 r/min |
| (Oil) Lubrication Speed |
5 300 r/min |
| Calculation factor (e) |
0,42 |
| Calculation factor (Y0) |
0,79 |
| d1 |
69 mm |
| rs min |
1.5 mm |
| r1s min |
1.5 mm |
| e |
0.42 |
| Y2 |
1.43 |
| Y0 |
0.79 |
| Mass |
0.56 kg |
| ISO 355 reference |
T3DB050 |
| Dynamic load, C |
77 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
93 kN |
| Fatigue limit load, Cu |
11.3 kN |
| Nlim (oil) |
5,300 rpm |
| Nlim (grease) |
4,000 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 |
6.63 Hz |
| Characteristic outer ring frequency, BPF0 |
8.15 Hz |
| Characteristic inner ring frequency, BPFI |
10.85 Hz |
| da max |
58 mm |
| db min |
58.5 mm |
| Da max |
81.5 mm |
| Db min |
85 mm |
| Ca min |
3 mm |
| Cb min |
4.5 mm |
| ra max |
1.5 mm |
| r1a max |
1.5 mm |
| Category |
Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Product Group |
B04334 |