231.20.0400.503 Type 21/520.1 Standard 5 Slewing Ring Bearings
| Brand Name: |
Standard 5 |
| Model Number: |
231.20.0400.503 Type 21/520.1 |
| Bearing number: |
4T-43131/43312 |
| Size (mm): |
33.338x79.375x25.4 |
| Bore Diameter (mm): |
33,338 |
| Outer Diameter (mm): |
79,375 |
| Width (mm): |
25,4 |
| d: |
33,338 mm |
| D: |
79,375 mm |
| T: |
25,4 mm |
Product Details
| Bearing number |
4T-43131/43312 |
| Size (mm) |
33.338x79.375x25.4 |
| Bore Diameter (mm) |
33,338 |
| Outer Diameter (mm) |
79,375 |
| Width (mm) |
25,4 |
| d |
33,338 mm |
| D |
79,375 mm |
| T |
25,4 mm |
| B |
24,074 mm |
| C |
17,462 mm |
| ra1 max. |
1,5 mm |
| a |
1,4 mm |
| Da |
67 mm |
| db |
42 mm |
| ra max. |
3,5 mm |
| da |
51 mm |
| Db |
74 mm |
| Weight |
0,568 Kg |
| Basic dynamic load rating (C) |
65,5 kN |
| Basic static load rating (C0) |
67 kN |
| (Grease) Lubrication Speed |
5 200 r/min |
| (Oil) Lubrication Speed |
6 900 r/min |
| Calculation factor (e) |
0,67 |
| Calculation factor (Y0) |
0,49 |
| d1 |
55.5 mm |
| e |
0.67 |
| Y2 |
0.9 |
| Y0 |
0.49 |
| Mass |
0.57 kg |
| Dynamic load, C |
65.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
67 kN |
| Fatigue limit load, Cu |
8.2 kN |
| Nlim (oil) |
6,900 rpm |
| Nlim (grease) |
5,200 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.41 Hz |
| Characteristic rolling element frequency, BSF |
4.77 Hz |
| Characteristic outer ring frequency, BPF0 |
5.3 Hz |
| Characteristic inner ring frequency, BPFI |
7.7 Hz |
| ra max |
3.5 mm |
| r1a max |
1.5 mm |