Komatsu OK616313AKF gear Size Chart (mm/inches) |
|---|
| Bearing number | 4T-30306 |
| Size (mm) | 30x72x20.75 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 20,75 |
| d | 30 mm |
| D | 72 mm |
| T | 20,75 mm |
| B | 19 mm |
| C | 16 mm |
| ra1 max. | 1,5 mm |
| a | 15 mm |
| r min. | 1,5 mm |
| r1 min. | 1,5 mm |
| da min. | 38,5 mm |
| Da min | 62 mm |
| Da max. | 63,5 mm |
| db max. | 40 mm |
| Db min. | 66 mm |
| ra max. | 1,5 mm |
| Sa | 3 mm |
| Sb | 4,5 mm |
| Weight | 0,408 Kg |
| Basic dynamic load rating (C) | 60 kN |
| Basic static load rating (C0) | 61 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 | 0.41 kg |
| ISO 355 reference | T2FB030 |
| Dynamic load, C | 60 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 61 kN |
| Fatigue limit load, Cu | 7.4 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 | 40 mm |
| db min | 38.5 mm |
| Da max | 63.5 mm |
| Db min | 66 mm |
| Ca min | 3 mm |
| Cb min | 4.5 mm |
| ra max | 1.5 mm |
| r1a max | 1.5 mm |
| Category | Roller Bearings |
| Inventory | 4.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| EAN | 4547359003291 |
| Product Group | B04336 |