NTN 230/1120BK spherical roller bearings
LET OUR NTN 230/1120BK spherical roller bearings EXPERTS GET YOU THE PARTS YOU NEED. 300x420x76 Size (mm)
| Size (mm) | 300x420x76 |
| Bore Diameter (mm) | 300 |
| Outer Diameter (mm) | 420 |
| Width (mm) | 76 |
| d | 300 mm |
| D | 420 mm |
| T | 76 mm |
| B | 76 mm |
| C | 57 mm |
| a | 79,9 mm |
| r min. | 4 mm |
| r1 min. | 3 mm |
| da min. | 321 mm |
| Da min | 387 mm |
| Da max. | 406 mm |
| db max. | 324 mm |
| Db min. | 405 mm |
| ra max. | 3 mm |
| rb max. | 2,5 mm |
| Weight | 31,4 Kg |
| Basic dynamic load rating (C) | 36,8 kN |
| Basic static load rating (C0) | 2100 kN |
| (Grease) Lubrication Speed | 710 r/min |
| (Oil) Lubrication Speed | 950 r/min |
| Calculation factor (e) | 0,39 |
| Calculation factor (Y0) | 0,84 |
| LangID | 1 |
| outer r | 3 |
| D_ | 420 |
| TC-BET22 | 10 |
| TC-BET21 | 2 |
| TC-BET23 | 0 |
| inner r | 4 |
| mass | 31.4 |
| GRS rpm | 710 |
| D_b | 405 |
| Cr | 103000 |
| TC-RA | 792.9 |
| DE_ | 389.713 |
| T-ALP23 | 0 |
| db | 324 |
| T-ALP22 | 30 |
| Prod_Type3 | TRBSR_MD_A |
| da | 321 |
| T-ALP21 | 29 |
| Iso | 3FD |
| ALPHA_ | 14.75 |
| SDM_ | 361.592 |
| SBRG | 29 |
| D_a2 | 387 |
| hidYobi | HR32960J |
| Y1 | 1.5 |
| D_a1 | 406 |
| B_ | 76 |
| hidTable | ecat_NSTPRM |
| Oil rpm | 950 |
| C0r | 214000 |
| Y0 | 0.84 |
| TC-SLR | 55 |
| inner ra | 3 |
| outer rb | 2.5 |
| C0 | 2100 |
| Sa | 13 |
| Sb | 19 |
| e | 0.39 |
| DA_ | 28.944 |
| Z_ | 35 |
| C_ | 57 |
| yobi | HR32960J |
| TC-DA1 | 29.981 |
| TC-DA2 | 27.907 |
| KBRG | 3111 |
| DI_ | 333.471 |
Detailed Parameters
parameter：
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