Single-row cylindrical roller bearings
NJ226EM Cylindrical Roller Bearing Dimensions & Specifications
NJ226EM cylindrical roller bearing: 130 mm bore (d), 230 mm outside diameter (D), 40 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 130 mm |
|---|---|
| Outside diameter D | 230 mm |
| Width B | 40 mm |
| Mass | 7.38 kg |
| Catalogue dynamic load Cr | 290 kN |
| Catalogue static load Cor | 410 kN |
| Grease-lubricated speed grease | 2200 rpm |
| Oil-lubricated speed oil | 2800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 212 mm |
|---|---|
| Abutment dimension db db | 146 mm |
| Minimum chamfer r12 r12 | 3 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Maximum fillet ra ra | 2.5 mm |
| Maximum fillet rb rb | 2.5 mm |
| Roller envelope diameter Fw Fw | 153.5 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ226EM?
The NJ226EM catalogue lists Da = 212 mm; ra ≤ 2.5 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 NJ226EM?
The listed values for NJ226EM are grease: 2200 rpm; oil: 2800 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 NJ226EM?
The catalogue reference mass for NJ226EM is 7.38 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.