Single-row cylindrical roller bearings
NJ326EM Cylindrical Roller Bearing Dimensions & Specifications
NJ326EM cylindrical roller bearing: 130 mm bore (d), 280 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 | 130 mm |
|---|---|
| Outside diameter D | 280 mm |
| Width B | 58 mm |
| Mass | 19.5 kg |
| Catalogue dynamic load Cr | 615 kN |
| Catalogue static load Cor | 735 kN |
| Grease-lubricated speed grease | 1800 rpm |
| Oil-lubricated speed oil | 2200 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 258 mm |
|---|---|
| Abutment dimension db db | 149 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 | 167 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ326EM?
The NJ326EM catalogue lists Da = 258 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 NJ326EM?
The listed values for NJ326EM are grease: 1800 rpm; oil: 2200 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 NJ326EM?
The catalogue reference mass for NJ326EM is 19.5 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.