KOYO NRO.B2,5X17,8G2 Roller Bearings
| Bearing number: | HR303/28 |
| Size (mm): | 28x68x19.75 |
| Bore Diameter (mm): | 28 |
| Outer Diameter (mm): | 68 |
| Width (mm): | 19,75 |
| d: | 28 mm |
| D: | 68 mm |
| T: | 19,75 mm |
Product Details
| Bearing number | HR303/28 |
| Size (mm) | 28x68x19.75 |
| Bore Diameter (mm) | 28 |
| Outer Diameter (mm) | 68 |
| Width (mm) | 19,75 |
| d | 28 mm |
| D | 68 mm |
| T | 19,75 mm |
| B | 18 mm |
| C | 15 mm |
| a | 14,5 mm |
| r min. | 1,5 mm |
| r1 min. | 1,5 mm |
| da min. | 39 mm |
| Da min | 58 mm |
| Da max. | 59 mm |
| db max. | 37 mm |
| Db min. | 61 mm |
| ra max. | 1,5 mm |
| rb max. | 1,5 mm |
| Weight | 0,341 Kg |
| Basic dynamic load rating (C) | 55 kN |
| Basic static load rating (C0) | 55,5 kN |
| (Grease) Lubrication Speed | 6000 r/min |
| (Oil) Lubrication Speed | 8000 r/min |
| Calculation factor (e) | 0,31 |
| Calculation factor (Y0) | 1,1 |
| LangID | 1 |
| outer r | 1.5 |
| D_ | 68 |
| TC-BET21 | 4 |
| inner r | 1.5 |
| mass | 0.341 |
| GRS rpm | 6000 |
| D_b | 61 |
| Cr | 5650 |
| TC-RA | 150 |
| DE_ | 57.696 |
| db | 37 |
| T-ALP22 | 20 |
| Prod_Type3 | TRBSR_MD_A |
| da | 39 |
| T-ALP21 | 23 |
| Iso | - |
| ALPHA_ | 11.667 |
| SDM_ | 48.002 |
| SBRG | 3 |
| D_a2 | 58 |
| hidYobi | HR303/28 |
| Y1 | 1.9 |
| D_a1 | 59 |
| B_ | 18 |
| hidTable | ecat_NSTPRM |
| Oil rpm | 8000 |
| C0r | 5650 |
| Y0 | 1.1 |
| TC-SLR | 12.7 |
| inner ra | 1.5 |
| outer rb | 1.5 |
| C0 | 55.5 |
| Sa | 2 |
| Sb | 4.5 |
| e | 0.31 |
| DA_ | 10.029 |
| Z_ | 14 |
| C_ | 15 |
| yobi | HR303/28 |
| TC-DA1 | 10.469 |
| TC-DA2 | 9.589 |
| KBRG | 3111 |
| DI_ | 38.307 |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
