Single-row cylindrical roller bearings
NU2344EM Cylindrical Roller Bearing Dimensions & Specifications
NU2344EM cylindrical roller bearing: 220 mm bore (d), 460 mm outside diameter (D), 145 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 220 mm |
|---|---|
| Outside diameter D | 460 mm |
| Width B | 145 mm |
| Mass | 120.0 kg |
| Catalogue dynamic load Cr | 1780 kN |
| Catalogue static load Cor | 2620 kN |
| Grease-lubricated speed grease | 1000 rpm |
| Oil-lubricated speed oil | 1300 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 431 mm |
|---|---|
| Abutment dimension db db | 245 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 | 284 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2344EM?
The NU2344EM catalogue lists Da = 431 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 NU2344EM?
The listed values for NU2344EM are grease: 1000 rpm; oil: 1300 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 NU2344EM?
The catalogue reference mass for NU2344EM is 120.0 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.