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 |
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