Single-row cylindrical roller bearings
NU20/710 Cylindrical Roller Bearing Dimensions & Specifications
NU20/710 cylindrical roller bearing: 710 mm bore (d), 1030 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 | 710 mm |
|---|---|
| Outside diameter D | 1030 mm |
| Width B | 185 mm |
| Mass | 540 kg |
| Catalogue dynamic load Cr | 5600 kN |
| Catalogue static load Cor | 11200 kN |
| Grease-lubricated speed grease | 400 rpm |
| Oil-lubricated speed oil | 480 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 997 mm |
|---|---|
| Abutment dimension db db | 743 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 | 787 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU20/710?
The NU20/710 catalogue lists Da = 997 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 NU20/710?
The listed values for NU20/710 are grease: 400 rpm; oil: 480 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 NU20/710?
The catalogue reference mass for NU20/710 is 540 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.