Komatsu DUCT 2A7-53-21290 DUCT
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu DUCT 2A7-53-21290 DUCT Size Chart (mm/inches) |
|---|
| Bearing number | 4T-68462/68712 |
| Size (mm) | 117.475x180.975x34.925 |
| Bore Diameter (mm) | 117,475 |
| Outer Diameter (mm) | 180,975 |
| Width (mm) | 34,925 |
| d | 117,475 mm |
| D | 180,975 mm |
| T | 34,925 mm |
| B | 31,75 mm |
| C | 25,4 mm |
| ra1 max. | 3,3 mm |
| a - | 5,4 mm |
| Da | 163 mm |
| db | 125 mm |
| ra max. | 3,5 mm |
| da | 132 mm |
| Db | 172 mm |
| Weight | 2,78 Kg |
| Basic dynamic load rating (C) | 169 kN |
| Basic static load rating (C0) | 245 kN |
| (Grease) Lubrication Speed | 1 900 r/min |
| (Oil) Lubrication Speed | 2 500 r/min |
| Calculation factor (e) | 0,5 |
| Calculation factor (Y0) | 0,66 |
| d1 | 145.5 mm |
| a | 40.32 mm |
| rs min | 3.5 mm |
| r1s min | 3.3 mm |
| e | 0.5 |
| Y2 | 1.21 |
| Y0 | 0.66 |
| Mass | 2.78 kg |
| Dynamic load, C | 169 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 245 kN |
| Fatigue limit load, Cu | 26.6 kN |
| Nlim (oil) | 2,500 rpm |
| Nlim (grease) | 1,900 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 9.52 Hz |
| Characteristic outer ring frequency, BPF0 | 11.26 Hz |
| Characteristic inner ring frequency, BPFI | 13.74 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| EAN | 4547359586503 |
| Product Group | B04336 |