Single-row cylindrical roller bearings
NJ1024M Cylindrical Roller Bearing Dimensions & Specifications
NJ1024M cylindrical roller bearing: 120 mm bore (d), 180 mm outside diameter (D), 28 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 120 mm |
|---|---|
| Outside diameter D | 180 mm |
| Width B | 28 mm |
| Mass | 3.09 kg |
| Catalogue dynamic load Cr | 139 kN |
| Catalogue static load Cor | 210 kN |
| Grease-lubricated speed grease | 3400 rpm |
| Oil-lubricated speed oil | 4000 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 167 mm |
|---|---|
| Abutment dimension db db | 130 mm |
| Minimum chamfer r12 r12 | 2 mm |
| Minimum chamfer r34 r34 | 1.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 1 mm |
| Roller envelope diameter Fw Fw | 135 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ1024M?
The NJ1024M catalogue lists Da = 167 mm; ra ≤ 2 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 NJ1024M?
The listed values for NJ1024M are grease: 3400 rpm; oil: 4000 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 NJ1024M?
The catalogue reference mass for NJ1024M is 3.09 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.