Single-row cylindrical roller bearings
NU2252M Cylindrical Roller Bearing Dimensions & Specifications
NU2252M cylindrical roller bearing: 260 mm bore (d), 480 mm outside diameter (D), 130 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 260 mm |
|---|---|
| Outside diameter D | 480 mm |
| Width B | 130 mm |
| Mass | 111 kg |
| Catalogue dynamic load Cr | 1710 kN |
| Catalogue static load Cor | 2770 kN |
| Grease-lubricated speed grease | 900 rpm |
| Oil-lubricated speed oil | 1200 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 450 mm |
|---|---|
| Abutment dimension db db | 286 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 | 320 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2252M?
The NU2252M catalogue lists Da = 450 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 NU2252M?
The listed values for NU2252M are grease: 900 rpm; oil: 1200 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 NU2252M?
The catalogue reference mass for NU2252M is 111 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.