Single-row cylindrical roller bearings
NU1048M Cylindrical Roller Bearing Dimensions & Specifications
NU1048M cylindrical roller bearing: 240 mm bore (d), 360 mm outside diameter (D), 56 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 240 mm |
|---|---|
| Outside diameter D | 360 mm |
| Width B | 56 mm |
| Mass | 21.2 kg |
| Catalogue dynamic load Cr | 530 kN |
| Catalogue static load Cor | 820 kN |
| Grease-lubricated speed grease | 1700 rpm |
| Oil-lubricated speed oil | 2000 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 340 mm |
|---|---|
| Abutment dimension db db | 259 mm |
| Minimum chamfer r12 r12 | 3 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Maximum fillet ra ra | 2.5 mm |
| Maximum fillet rb rb | 2.5 mm |
| Roller envelope diameter Fw Fw | 270 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1048M?
The NU1048M catalogue lists Da = 340 mm; ra ≤ 2.5 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 NU1048M?
The listed values for NU1048M are grease: 1700 rpm; oil: 2000 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 NU1048M?
The catalogue reference mass for NU1048M is 21.2 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.