Single-row cylindrical roller bearings
NU19/670 Cylindrical Roller Bearing Dimensions & Specifications
NU19/670 cylindrical roller bearing: 670 mm bore (d), 900 mm outside diameter (D), 103 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 670 mm |
|---|---|
| Outside diameter D | 900 mm |
| Width B | 103 mm |
| Mass | 195 kg |
| Catalogue dynamic load Cr | 2100 kN |
| Catalogue static load Cor | 4500 kN |
| Grease-lubricated speed grease | 530 rpm |
| Oil-lubricated speed oil | 630 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 874 mm |
|---|---|
| Abutment dimension db db | 696 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 | 728 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU19/670?
The NU19/670 catalogue lists Da = 874 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 NU19/670?
The listed values for NU19/670 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 NU19/670?
The catalogue reference mass for NU19/670 is 195 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.