Single-row cylindrical roller bearings
NU2052EM Cylindrical Roller Bearing Dimensions & Specifications
NU2052EM cylindrical roller bearing: 260 mm bore (d), 480 mm outside diameter (D), 82 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 | 82 mm |
| Mass | 40.5 kg |
| Catalogue dynamic load Cr | 1100 kN |
| Catalogue static load Cor | 1800 kN |
| Grease-lubricated speed grease | 1100 rpm |
| Oil-lubricated speed oil | 1400 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 450 mm |
|---|---|
| Abutment dimension db db | 283 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 | 294 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2052EM?
The NU2052EM 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 NU2052EM?
The listed values for NU2052EM are grease: 1100 rpm; oil: 1400 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 NU2052EM?
The catalogue reference mass for NU2052EM is 40.5 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.