Single-row cylindrical roller bearings
NU12/500 Cylindrical Roller Bearing Dimensions & Specifications
NU12/500 cylindrical roller bearing: 500 mm bore (d), 920 mm outside diameter (D), 185 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 | 920 mm |
| Width B | 185 mm |
| Mass | 585 kg |
| Catalogue dynamic load Cr | 5180 kN |
| Catalogue static load Cor | 8450 kN |
| Grease-lubricated speed grease | 560 rpm |
| Oil-lubricated speed oil | 670 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 887 mm |
|---|---|
| Abutment dimension db db | 533 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 Fw Fw | 604 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU12/500?
The NU12/500 catalogue lists Da = 887 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 NU12/500?
The listed values for NU12/500 are grease: 560 rpm; oil: 670 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 NU12/500?
The catalogue reference mass for NU12/500 is 585 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.