Single-row cylindrical roller bearings
NU18/710 Cylindrical Roller Bearing Dimensions & Specifications
NU18/710 cylindrical roller bearing: 710 mm bore (d), 870 mm outside diameter (D), 74 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 710 mm |
|---|---|
| Outside diameter D | 870 mm |
| Width B | 74 mm |
| Mass | 97.5 kg |
| Catalogue dynamic load Cr | 1400 kN |
| Catalogue static load Cor | 3080 kN |
| Grease-lubricated speed grease | 530 rpm |
| Oil-lubricated speed oil | 630 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 854 mm |
|---|---|
| Abutment dimension db db | 726 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 3 mm |
| Roller envelope diameter Fw Fw | 750 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU18/710?
The NU18/710 catalogue lists Da = 854 mm; ra ≤ 3 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 NU18/710?
The listed values for NU18/710 are grease: 530 rpm; oil: 630 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 NU18/710?
The catalogue reference mass for NU18/710 is 97.5 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.