Single-row cylindrical roller bearings
NJ240EM Cylindrical Roller Bearing Dimensions & Specifications
NJ240EM cylindrical roller bearing: 200 mm bore (d), 360 mm outside diameter (D), 58 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 200 mm |
|---|---|
| Outside diameter D | 360 mm |
| Width B | 58 mm |
| Mass | 27.1 kg |
| Catalogue dynamic load Cr | 765 kN |
| Catalogue static load Cor | 1060 kN |
| Grease-lubricated speed grease | 1500 rpm |
| Oil-lubricated speed oil | 1800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 337 mm |
|---|---|
| Abutment dimension db db | 221 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 3 mm |
| Roller envelope diameter Fw Fw | 244 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ240EM?
The NJ240EM catalogue lists Da = 337 mm; ra ≤ 3 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.
What speed values are available for NJ240EM?
The listed values for NJ240EM are grease: 1500 rpm; oil: 1800 rpm. These catalogue references do not determine a safe operating speed on their own. Confirm load, clearance, lubrication and heat conditions for the application.
What is the reference mass of NJ240EM?
The catalogue reference mass for NJ240EM is 27.1 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.