Single-row cylindrical roller bearings
NU31/500E Cylindrical Roller Bearing Dimensions & Specifications
NU31/500E cylindrical roller bearing: 500 mm bore (d), 830 mm outside diameter (D), 264 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 500 mm |
|---|---|
| Outside diameter D | 830 mm |
| Width B | 264 mm |
| Mass | 595 kg |
| Catalogue dynamic load Cr | 6200 kN |
| Catalogue static load Cor | 1100 kN |
| Grease-lubricated speed grease | 500 rpm |
| Oil-lubricated speed oil | 600 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 680 mm |
|---|---|
| Abutment dimension db db | 537 mm |
| Minimum chamfer r12 r12 | 7.5 mm |
| Minimum chamfer r34 r34 | 7.5 mm |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 5 mm |
| Roller envelope diameter Fw Fw | 576 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU31/500E?
The NU31/500E catalogue lists Da = 680 mm; ra ≤ 5 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 NU31/500E?
The listed values for NU31/500E are grease: 500 rpm; oil: 600 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 NU31/500E?
The catalogue reference mass for NU31/500E is 595 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.