Komatsu Size Chart (mm/inches) |
|---|
| Bearing number | HR30230J |
| Size (mm) | 150x270x49 |
| Bore Diameter (mm) | 150 |
| Outer Diameter (mm) | 270 |
| Width (mm) | 49 |
| d | 150 mm |
| D | 270 mm |
| T | 49 mm |
| B | 45 mm |
| C | 38 mm |
| a | 51,3 mm |
| r min. | 4 mm |
| r1 min. | 3 mm |
| da min. | 171 mm |
| Da min | 236 mm |
| Da max. | 256 mm |
| db max. | 175 mm |
| Db min. | 250 mm |
| ra max. | 3 mm |
| rb max. | 2,5 mm |
| Weight | 11,2 Kg |
| Basic dynamic load rating (C) | 485 kN |
| Basic static load rating (C0) | 665 kN |
| (Grease) Lubrication Speed | 1300 r/min |
| (Oil) Lubrication Speed | 1800 r/min |
| Calculation factor (e) | 0,44 |
| Calculation factor (Y0) | 0,76 |
| LangID | 1 |
| outer r | 3 |
| D_ | 270 |
| TC-BET22 | 0 |
| TC-BET21 | 4 |
| TC-BET23 | 0 |
| inner r | 4 |
| mass | 11.2 |
| GRS rpm | 1300 |
| D_b | 250 |
| Cr | 49000 |
| TC-RA | 442.5 |
| DE_ | 238.428 |
| T-ALP23 | 40 |
| db | 175 |
| T-ALP22 | 20 |
| Prod_Type3 | TRBSR_MD_A |
| da | 171 |
| T-ALP21 | 32 |
| Iso | 2GB |
| ALPHA_ | 16.173 |
| SDM_ | 208.961 |
| SBRG | 2 |
| D_a2 | 236 |
| hidYobi | HR30230J |
| Y1 | 1.4 |
| D_a1 | 256 |
| B_ | 45 |
| hidTable | ecat_NSTPRM |
| Oil rpm | 1800 |
| C0r | 67500 |
| Y0 | 0.76 |
| TC-SLR | 33.3 |
| inner ra | 3 |
| outer rb | 2.5 |
| C0 | 665 |
| Sa | 7 |
| Sb | 11 |
| e | 0.44 |
| DA_ | 29.732 |
| Z_ | 20 |
| C_ | 38 |
| yobi | HR30230J |
| TC-DA1 | 30.884 |
| TC-DA2 | 28.579 |
| KBRG | 3111 |
| DI_ | 179.493 |