Single-row cylindrical roller bearings
NJ1034M Cylindrical Roller Bearing Dimensions & Specifications
NJ1034M cylindrical roller bearing: 170 mm bore (d), 260 mm outside diameter (D), 42 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 170 mm |
|---|---|
| Outside diameter D | 260 mm |
| Width B | 42 mm |
| Mass | 8.46 kg |
| Catalogue dynamic load Cr | 287 kN |
| Catalogue static load Cor | 415 kN |
| Grease-lubricated speed grease | 2200 rpm |
| Oil-lubricated speed oil | 2800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 244 mm |
|---|---|
| Abutment dimension db db | 185 mm |
| Minimum chamfer r12 r12 | 2.1 mm |
| Minimum chamfer r34 r34 | 2.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Roller envelope diameter Fw Fw | 193 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ1034M?
The NJ1034M catalogue lists Da = 244 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 NJ1034M?
The listed values for NJ1034M are grease: 2200 rpm; oil: 2800 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 NJ1034M?
The catalogue reference mass for NJ1034M is 8.46 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

