Komatsu 21K-62-81670 Driving base
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 21K-62-81670 Driving base Size Chart (mm/inches) |
|---|
| Bearing number | NK90/25R |
| Size (mm) | 90x110x25 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 110 |
| Width (mm) | 25 |
| Fw | 90 mm |
| D | 110 mm |
| C | 25 mm |
| r min. | 1 mm |
| Da max. | 105 mm |
| ra max. | 1 mm |
| Weight | 0,426 Kg |
| Basic dynamic load rating (C) | 71,5 kN |
| Basic static load rating (C0) | 128 kN |
| (Grease) Lubrication Speed | 2900 r/min |
| rs min | 1 mm |
| Dw | 6.5 mm |
| Lw | 18 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k | 3.5 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.43 kg |
| Cr | 71.5 kN |
| C0r | 128 kN |
| Nlim (grease) | 2,900 rpm |
| Nlim (oil) | 4,400 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.47 Hz |
| Characteristic rolling element frequency, BSF | 14.78 Hz |
| Characteristic outer ring frequency, BPF0 | 13.99 Hz |
| Characteristic inner ring frequency, BPFI | 16.01 Hz |
| Da max | 105 mm |
| ras max | 1 mm |
| Category | Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.419 |
| Product Group | B04144 |