Single-row cylindrical roller bearings
NJ1080M Cylindrical Roller Bearing Dimensions & Specifications
NJ1080M cylindrical roller bearing: 400 mm bore (d), 600 mm outside diameter (D), 90 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 400 mm |
|---|---|
| Outside diameter D | 600 mm |
| Width B | 90 mm |
| Mass | 90.6 kg |
| Catalogue dynamic load Cr | 1360 kN |
| Catalogue static load Cor | 2280 kN |
| Grease-lubricated speed grease | 900 rpm |
| Oil-lubricated speed oil | 1100 rpm |
Mounting dimensions & additional parameters (8)
| Abutment dimension Da Da | 568 mm |
|---|---|
| Abutment dimension db db | 429 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 Ew Ew | 550 mm |
| Roller envelope diameter Fw Fw | 450 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ1080M?
The NJ1080M catalogue lists Da = 568 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 NJ1080M?
The listed values for NJ1080M are grease: 900 rpm; oil: 1100 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 NJ1080M?
The catalogue reference mass for NJ1080M is 90.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.