Komatsu MAT 21K-54-81580 MAT
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu MAT 21K-54-81580 MAT Size Chart (mm/inches) |
|---|
| Bearing number | 71822 ACD/HCP4 |
| Size (mm) | 110x140x16 |
| Bore Diameter (mm) | 110 |
| Outer Diameter (mm) | 140 |
| Width (mm) | 16 |
| d | 110 mm |
| D | 140 mm |
| B | 16 mm |
| C | 16 mm |
| d1 | 119,8 mm |
| d2 | 119,8 mm |
| r1 min. | 1 mm |
| r2 min. | 1 mm |
| r3 min. | 0,3 mm |
| r4 min. | 0,3 mm |
| D1 | 130,6 mm |
| D2 | – mm |
| da min. | 114,6 mm |
| Da max. | 135,4 mm |
| db min | 114,6 mm |
| ra max. | 1 mm |
| rb max. | 0,3 mm |
| dh | 120,9 mm |
| Db max | 138 mm |
| Weight | 0,45 Kg |
| Basic dynamic load rating (C) | 30,2 kN |
| Basic static load rating (C0) | 38 kN |
| (Grease) Lubrication Speed | 9 000 r/min |
| (Oil) Lubrication Speed | 14 000 r/min |
| Fatigue load limit (Pu) | 1,46 |
| d1 | 119.8 mm |
| d2 | 119.8 mm |
| D1 | 130.6 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| a | 37.2 mm |
| da min. | 114.6 mm |
| db min. | 114.6 mm |
| Da max. | 135.4 mm |
| Db max. | 138 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| dn | 120.9 mm |
| Basic dynamic load rating C | 30.2 kN |
| Basic static load rating C0 | 38 kN |
| Fatigue load limit Pu | 1.46 kN |
| Attainable speed for grease lubrication | 9000 r/min |
| Attainable speed for oil-air lubrication | 14000 r/min |
| Ball diameter Dw | 8.731 mm |
| Number of balls z | 32 |
| Reference grease quantity Gref | 5.1 cm³ |
| Preload class A GA | 260 N |
| Static axial stiffness, preload class A | 262 N/µm |
| Preload class B GB | 800 N |
| Static axial stiffness, preload class B | 419 N/µm |
| Preload class C GC | 1600 N |
| Static axial stiffness, preload class C | 575 N/µm |
| Calculation factor f | 1.34 |
| Calculation factor f1 | 0.97 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.09 |
| Calculation factor f2C | 1.17 |
| Calculation factor fHC | 1.02 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.45 kg |