| Bearing number |
4T-32306 |
| Size (mm) |
30x72x28.75 |
| Bore Diameter (mm) |
30 |
| Outer Diameter (mm) |
72 |
| Width (mm) |
28,75 |
| d |
30 mm |
| D |
72 mm |
| T |
28,75 mm |
| B |
27 mm |
| C |
23 mm |
| ra1 max. |
1,5 mm |
| a |
18,5 mm |
| r min. |
1,5 mm |
| r1 min. |
1,5 mm |
| da min. |
38,5 mm |
| Da min |
59 mm |
| Da max. |
63,5 mm |
| db max. |
38 mm |
| Db min. |
66 mm |
| ra max. |
1,5 mm |
| Sa |
3 mm |
| Sb |
5,5 mm |
| Weight |
0,583 Kg |
| Basic dynamic load rating (C) |
81 kN |
| Basic static load rating (C0) |
90 kN |
| (Grease) Lubrication Speed |
5 700 r/min |
| (Oil) Lubrication Speed |
7 600 r/min |
| Calculation factor (e) |
0,31 |
| Calculation factor (Y0) |
1,05 |
| d1 |
49.5 mm |
| rs min |
1.5 mm |
| r1s min |
1.5 mm |
| e |
0.31 |
| Y2 |
1.9 |
| Y0 |
1.05 |
| Mass |
0.58 kg |
| ISO 355 reference |
T2FD030 |
| Dynamic load, C |
81 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
90 kN |
| Fatigue limit load, Cu |
11 kN |
| Nlim (oil) |
7,600 rpm |
| Nlim (grease) |
5,700 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.4 Hz |
| Characteristic rolling element frequency, BSF |
4.71 Hz |
| Characteristic outer ring frequency, BPF0 |
5.6 Hz |
| Characteristic inner ring frequency, BPFI |
8.4 Hz |
| da max |
38 mm |
| db min |
38.5 mm |
| Da max |
63.5 mm |
| Db min |
66 mm |
| Ca min |
3 mm |
| Cb min |
5.5 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 |