Single-row cylindrical roller bearings
NJ428M Cylindrical Roller Bearing Dimensions & Specifications
NJ428M cylindrical roller bearing: 140 mm bore (d), 360 mm outside diameter (D), 82 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 140 mm |
|---|---|
| Outside diameter D | 360 mm |
| Width B | 82 mm |
| Mass | 46.3 kg |
| Catalogue dynamic load Cr | 896 kN |
| Catalogue static load Cor | 998 kN |
| Grease-lubricated speed grease | 1700 rpm |
| Oil-lubricated speed oil | 2000 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 278 mm |
|---|---|
| Abutment dimension db db | 160 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 4 mm |
| Roller envelope diameter Fw Fw | 196 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ428M?
The NJ428M catalogue lists Da = 278 mm; ra ≤ 4 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 NJ428M?
The listed values for NJ428M are grease: 1700 rpm; oil: 2000 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 NJ428M?
The catalogue reference mass for NJ428M is 46.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.