KOMATSU 21N-939-3970 COVER
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOMATSU 21N-939-3970 COVER Size Chart (mm/inches) |
|---|
| Bearing number | 28985/28921 |
| Size (mm) | 60.325x100x25.4 |
| Bore Diameter (mm) | 60,325 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25,4 |
| d | 60,325 mm |
| D | 100 mm |
| T | 25,4 mm |
| B | 25,4 mm |
| C | 19,845 mm |
| ra1 max. | 3,3 mm |
| a | 22,9 mm |
| r min. | 3,5 mm |
| r1 min. | 3,3 mm |
| Da | 89 mm |
| db | 67 mm |
| ra max. | 3,5 mm |
| da | 73 mm |
| Db | 96 mm |
| Weight | 0,77 Kg |
| Basic dynamic load rating (C) | 91 kN |
| Basic static load rating (C0) | 135 kN |
| (Grease) Lubrication Speed | 3400 r/min |
| (Oil) Lubrication Speed | 4800 r/min |
| Calculation factor (e) | 0,43 |
| Calculation factor (Y0) | 0,78 |
| LangID | 1 |
| ALP23 | 0 |
| outer r | 3.3 |
| ALP22 | 40 |
| D_ | 100 |
| ALP21 | 31 |
| SHOG_yobi | 28985R/28921R |
| RAr | 173.558 |
| inner r | 3.5 |
| GRS rpm | 3400 |
| D_b | 96 |
| D_a | 89 |
| DE_ | 89.657 |
| SLR | 18 |
| Prod_Type3 | TRBSR_ID_A |
| BETA_ | 1 |
| ALPHA_ | 15.833 |
| SDM_ | 81.338 |
| DA1 | 9.237 |
| DA2 | 8.283 |
| hidYobi | 28985/28921 |
| Y1 | 1.4 |
| B_ | 25.4 |
| Oil rpm | 4800 |
| hidTable | ecat_NSTPRI |
| Y0 | 0.78 |
| inner ra | 3.5 |
| outer rb | 3.3 |
| C0 | 135 |
| CUP | 0.232 |
| e | 0.43 |
| DA_ | 8.762 |
| BET21 | 3 |
| BET22 | 3 |
| BET23 | 0 |
| Z_ | 24 |
| C_ | 19.845 |
| yobi | 28985/28921 |
| KBRG | 3161 |
| CONE | 0.538 |
| DI_ | 72.77 |