Single-row cylindrical roller bearings
NU1940M Cylindrical Roller Bearing Dimensions & Specifications
NU1940M cylindrical roller bearing: 200 mm bore (d), 280 mm outside diameter (D), 38 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 200 mm |
|---|---|
| Outside diameter D | 280 mm |
| Width B | 38 mm |
| Mass | 7.22 kg |
| Catalogue dynamic load Cr | 268 kN |
| Catalogue static load Cor | 425 kN |
| Grease-lubricated speed grease | 2200 rpm |
| Oil-lubricated speed oil | 2800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 263 mm |
|---|---|
| Abutment dimension db db | 216 mm |
| Minimum chamfer r12 r12 | 2.1 mm |
| Minimum chamfer r34 r34 | 2.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Roller envelope diameter Fw Fw | 220 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1940M?
The NU1940M catalogue lists Da = 263 mm; ra ≤ 2 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 NU1940M?
The listed values for NU1940M are grease: 2200 rpm; oil: 2800 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 NU1940M?
The catalogue reference mass for NU1940M is 7.22 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.