Single-row cylindrical roller bearings
NU2260M Cylindrical Roller Bearing Dimensions & Specifications
NU2260M cylindrical roller bearing: 300 mm bore (d), 540 mm outside diameter (D), 140 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 300 mm |
|---|---|
| Outside diameter D | 540 mm |
| Width B | 140 mm |
| Mass | 145 kg |
| Catalogue dynamic load Cr | 1960 kN |
| Catalogue static load Cor | 3200 kN |
| Grease-lubricated speed grease | 900 rpm |
| Oil-lubricated speed oil | 1100 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 509 mm |
|---|---|
| Abutment dimension db db | 327 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 4 mm |
| Roller envelope diameter Fw Fw | 365 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2260M?
The NU2260M catalogue lists Da = 509 mm; ra ≤ 4 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 NU2260M?
The listed values for NU2260M are grease: 900 rpm; oil: 1100 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 NU2260M?
The catalogue reference mass for NU2260M is 145 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.