Overall dimensions (mm)
| d | 105 |
| D | 145 |
| B | 40 |
| γ | 1.1 |
EW
（Reference) | 135 |
FW
（Reference) | — |
Rated speed min-1
| Grease lubrication | 6000 |
| Oil lubrication | 7200 |
Installation size (mm)
Da
(min） | 111.5 |
dLa
(min) | 113 |
dc
(min) | 120 |
da
(max） | 138.5 |
Da
(min） | 136 |
γa
(max) | 1.0 |
Description
JAPAN KONKEN SEIKO CO.,LTD Professional sales NN4921MBKR, NN4921MBKR related information: model NN4921MBKR inner diameter 105 outer diameter: 145 thickness: 40 series: Precision Double Row Cylindrical Roller Bearings (High Rigidity 49 Series), Internal Diameter 100-200 mm, want to know more about NN4921MBKR related information, you can conduct online consultation or call the hotline, we will serve you in detail.
NN4921MBKR wide range, NN4921MBKR mainly used in construction machinery, machine tools, automobile, metallurgy, mining, mining, oil, machinery, power, railway and other industries, the company sold NN4921MBKR price is reasonable, look forward to cooperation with you.
