Single-row cylindrical roller bearings
NJ422M Cylindrical Roller Bearing Dimensions & Specifications
NJ422M cylindrical roller bearing: 110 mm bore (d), 280 mm outside diameter (D), 65 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 110 mm |
|---|---|
| Outside diameter D | 280 mm |
| Width B | 65 mm |
| Mass | 22.3 kg |
| Catalogue dynamic load Cr | 580 kN |
| Catalogue static load Cor | 735 kN |
| Grease-lubricated speed grease | 2000 rpm |
| Oil-lubricated speed oil | 2600 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 252 mm |
|---|---|
| Abutment dimension db db | 135 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 | 155 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ422M?
The NJ422M catalogue lists Da = 252 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 NJ422M?
The listed values for NJ422M are grease: 2000 rpm; oil: 2600 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 NJ422M?
The catalogue reference mass for NJ422M is 22.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.