Komatsu RAIL 21N-54-37240 HAND RAIL
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu RAIL 21N-54-37240 HAND RAIL Size Chart (mm/inches) |
|---|
| Bearing number | S7010 FW/HC |
| Size (mm) | 80x50x16 |
| Bore Diameter (mm) | 80 |
| Outer Diameter (mm) | 50 |
| Width (mm) | 16 |
| d | 50 mm |
| D | 80 mm |
| B | 16 mm |
| d1 | 60.25 mm |
| d2 | 57.9 mm |
| D2 | 72.9 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 0.6 mm |
| a | 18.6 mm |
| da - min. | 54.6 mm |
| da - max. | 59.7 mm |
| db - min. | 54.6 mm |
| db - max. | 57.3 mm |
| Da - max. | 75.4 mm |
| Db - max. | 75.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| Basic dynamic load rating - C | 15.3 kN |
| Basic static load rating - C0 | 10.4 kN |
| Fatigue load limit - Pu | 0.44 kN |
| Limiting speed for grease lubrication | 26000 r/min |
| Ball - Dw | 7.938 mm |
| Ball - z | 21 |
| Calculation factor - e | 0.57 |
| Calculation factor - Y2 | 1 |
| Calculation factor - Y0 | 0.42 |
| Calculation factor - X2 | 0.43 |
| Calculation factor - Y1 | 1.09 |
| Calculation factor - Y2 | 1.63 |
| Calculation factor - Y0 | 0.84 |
| Calculation factor - X2 | 0.7 |
| d1 | 60.25 mm |
| d2 | 57.9 mm |
| D2 | 72.9 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 54.6 mm |
| da max. | 59.7 mm |
| db min. | 54.6 mm |
| db max. | 57.3 mm |
| Da max. | 75.4 mm |
| Db max. | 75.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 15.3 kN |
| Basic static load rating C0 | 10.4 kN |
| Fatigue load limit Pu | 0.44 kN |
| Attainable speed for grease lubrication | 26000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 21 |
| Calculation factor e | 0.57 |
| Calculation factor (single, tandem) Y2 | 1 |
| Calculation factor (single, tandem) Y0 | 0.42 |
| Calculation factor (single, tandem) X2 | 0.43 |
| Calculation factor (back-to-back, face-to-face) Y1 | 1.09 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.63 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.84 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.7 |
| Mass bearing | 0.23 kg |