NSK NN3018 Double-Row Cylindrical Roller Bearings
Brand: NSK
Item number: NN3018
Inside Diameter: 90mm
Outside Diameter: 140mm
Width: 37mm
Mass: 2.08kgs
Description
In bearings of this type, the cylindrical rollers are in linear contact with the raceways. They have a high radial load capacity and are suitable for high speeds.
There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).
The outer and inner rings of all types are separable.
The technical data for NSK NN3018
| Bearing No. | NN3018 | |
| SD Inside Diameter |
90 | mm |
| D Outside Diameter |
140 | mm |
| B Width |
37 | mm |
| R Chamfer Dimension |
1.5 | mm |
| EW Boundary Dimension |
127 | mm |
| CR1 Basic Dynamic Load Ratings |
143000 | N |
| COR1 Basic Static Load Ratings |
228000 | N |
| CR2 Basic Dynamic Load Ratings |
14600 | kgf |
| COR2 Basic Static Load Ratings |
23200 | kgf |
| LG Limiting Speed Grease |
4300 | rpm |
| LO Limiting Speed Oil |
5000 | rpm |
| DA1 Abutment and Fillet Dimensions min. |
98 | mm |
| D1A Abutment and Fillet Dimensions min. |
99 | mm |
| DA3 Abutment and Fillet Dimensions min. |
132 | mm |
| DA4 Abutment and Fillet Dimensions max. |
129 | mm |
| RA Abutment and Fillet Dimensions max. |
1.5 | mm |
| MASS Mass |
2.09 | kgs |
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