| Bearing number |
4T-30304A |
| Size (mm) |
20x52x16.25 |
| Bore Diameter (mm) |
20 |
| Outer Diameter (mm) |
52 |
| Width (mm) |
16,25 |
| d |
20 mm |
| D |
52 mm |
| T |
16,25 mm |
| B |
16 mm |
| C |
13 mm |
| ra1 max. |
1,5 mm |
| a |
10,5 mm |
| r min. |
1,5 mm |
| r1 min. |
1,5 mm |
| da min. |
28,5 mm |
| Da min |
42,5 mm |
| Da max. |
43,5 mm |
| db max. |
28 mm |
| Db min. |
47,5 mm |
| ra max. |
1,5 mm |
| Sa |
3 mm |
| Sb |
3 mm |
| Weight |
0,176 Kg |
| Basic dynamic load rating (C) |
35,5 kN |
| Basic static load rating (C0) |
34 kN |
| (Grease) Lubrication Speed |
8 000 r/min |
| (Oil) Lubrication Speed |
11 000 r/min |
| Calculation factor (e) |
0,3 |
| Calculation factor (Y0) |
1,1 |
| d1 |
35 mm |
| rs min |
1.5 mm |
| r1s min |
1.5 mm |
| e |
0.3 |
| Y2 |
2 |
| Y0 |
1.1 |
| Mass |
0.18 kg |
| Dynamic load, C |
35.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
34 kN |
| Fatigue limit load, Cu |
4.15 kN |
| Nlim (oil) |
11,000 rpm |
| Nlim (grease) |
8,000 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| da max |
28 mm |
| db min |
28.5 mm |
| Da max |
43.5 mm |
| Db min |
47.5 mm |
| Ca min |
3 mm |
| Cb min |
3 mm |
| ra max |
1.5 mm |
| r1a max |
1.5 mm |
| Category |
Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.171 |
| Product Group |
B04334 |