Overall dimensions (mm)
| d | 105 |
| D | 145 |
| B | 40 |
| γ(min) | 1.1 |
| FW | 117 |
| EW | — |
Rated speed min-1
| Grease lubrication | 3800 |
| Oil lubrication | 4800 |
Bearing number
| Cylindrical bore | NNU 4921 |
| Tapered bore | NNU 4921 K |
Installation size (mm)
Da
(min） | 111.5 |
da
(max） | 116 |
d1a
(min) | 113 |
dc
(min) | 120 |
da
(max） | 138.5 |
Da
(min） | — |
γa
(max) | 1 |
Description
JAPAN KONKEN SEIKO CO.,LTD Professional sales NNU4921, NNU4921 related information: model NNU4921 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 NNU4921 related information, you can conduct online consultation or call the hotline, we will serve you in detail.
NNU4921 wide range, NNU4921 mainly used in construction machinery, machine tools, automobile, metallurgy, mining, mining, oil, machinery, power, railway and other industries, the company sold NNU4921 price is reasonable, look forward to cooperation with you.
