Single-row cylindrical roller bearings
NU19/630 Cylindrical Roller Bearing Dimensions & Specifications
NU19/630 cylindrical roller bearing: 630 mm bore (d), 850 mm outside diameter (D), 100 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 630 mm |
|---|---|
| Outside diameter D | 850 mm |
| Width B | 100 mm |
| Mass | 160 kg |
| Catalogue dynamic load Cr | 1850 kN |
| Catalogue static load Cor | 3900 kN |
| Grease-lubricated speed grease | 600 rpm |
| Oil-lubricated speed oil | 700 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 824 mm |
|---|---|
| Abutment dimension db db | 656 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 | 688 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU19/630?
The NU19/630 catalogue lists Da = 824 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 NU19/630?
The listed values for NU19/630 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 NU19/630?
The catalogue reference mass for NU19/630 is 160 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.