Single-row cylindrical roller bearings
N31/530 Cylindrical Roller Bearing Dimensions & Specifications
N31/530 cylindrical roller bearing: 530 mm bore (d), 870 mm outside diameter (D), 272 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 530 mm |
|---|---|
| Outside diameter D | 870 mm |
| Width B | 272 mm |
| Mass | 680 kg |
| Catalogue dynamic load Cr | 6500 kN |
| Catalogue static load Cor | 11200 kN |
| Grease-lubricated speed grease | 480 rpm |
| Oil-lubricated speed oil | 560 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Db Db | 834 mm |
|---|---|
| Abutment dimension da da | 611 mm |
| Minimum chamfer r12 r12 | 7.5 mm |
| Minimum chamfer r34 r34 | 7.5 mm |
| Maximum fillet ra ra | 6 mm |
| Maximum fillet rb rb | 6 mm |
| Roller envelope diameter Ew Ew | 801 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for N31/530?
The N31/530 catalogue lists da = 611 mm; ra ≤ 6 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 N31/530?
The listed values for N31/530 are grease: 480 rpm; oil: 560 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 N31/530?
The catalogue reference mass for N31/530 is 680 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

