Overall dimensions (mm)
| d | 105 |
| D | 145 |
| B | 40 |
| γ(min) | 1.1 |
| FW | — |
| EW | 135 |
Rated speed min-1
| Grease lubrication | — |
| Oil lubrication | — |
Bearing number
| Cylindrical bore | NN 4921 |
| Tapered bore | — |
Installation size (mm)
Da
(min） | 111.5 |
da
(max） | — |
d1a
(min) | 113 |
dc
(min) | — |
da
(max） | 138.5 |
Da
(min） | 136 |
γa
(max) | 1 |
Description
JAPAN KONKEN SEIKO CO.,LTD Professional sales NN4921, NN4921 related information: model NN4921 inner diameter 105 outer diameter: 145 thickness: 40 series: Double Row Cylindrical Roller Bearings (Standard Series), Internal Diameter 25-850 mm, want to know more about NN4921 related information, you can conduct online consultation or call the hotline, we will serve you in detail.
NN4921 wide range, NN4921 mainly used in construction machinery, machine tools, automobile, metallurgy, mining, mining, oil, machinery, power, railway and other industries, the company sold NN4921 price is reasonable, look forward to cooperation with you.
