Single-row cylindrical roller bearings
NU30/500 Cylindrical Roller Bearing Dimensions & Specifications
NU30/500 cylindrical roller bearing: 500 mm bore (d), 720 mm outside diameter (D), 167 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 | 720 mm |
| Width B | 167 mm |
| Mass | 232 kg |
| Catalogue dynamic load Cr | 3500 kN |
| Catalogue static load Cor | 7650 kN |
| Grease-lubricated speed grease | 600 rpm |
| Oil-lubricated speed oil | 700 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 680 mm |
|---|---|
| Abutment dimension db db | 537 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 6 mm |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 5 mm |
| Roller envelope diameter Fw Fw | 554 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU30/500?
The NU30/500 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 NU30/500?
The listed values for NU30/500 are grease: 600 rpm; oil: 700 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 NU30/500?
The catalogue reference mass for NU30/500 is 232 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

