Single-row cylindrical roller bearings
NU20/560 Cylindrical Roller Bearing Dimensions & Specifications
NU20/560 cylindrical roller bearing: 560 mm bore (d), 820 mm outside diameter (D), 150 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 560 mm |
|---|---|
| Outside diameter D | 820 mm |
| Width B | 150 mm |
| Mass | 290 kg |
| Catalogue dynamic load Cr | 3650 kN |
| Catalogue static load Cor | 6890 kN |
| Grease-lubricated speed grease | 530 rpm |
| Oil-lubricated speed oil | 630 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 794 mm |
|---|---|
| Abutment dimension db db | 586 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 | 626 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU20/560?
The NU20/560 catalogue lists Da = 794 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 NU20/560?
The listed values for NU20/560 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 NU20/560?
The catalogue reference mass for NU20/560 is 290 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.