Single-row cylindrical roller bearings
NU348M Cylindrical Roller Bearing Dimensions & Specifications
NU348M cylindrical roller bearing: 240 mm bore (d), 500 mm outside diameter (D), 95 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 | 500 mm |
| Width B | 95 mm |
| Mass | 96.3 kg |
| Catalogue dynamic load Cr | 1400 kN |
| Catalogue static load Cor | 2200 kN |
| Grease-lubricated speed grease | 1000 rpm |
| Oil-lubricated speed oil | 1300 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 470 mm |
|---|---|
| Abutment dimension db db | 266 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 | 310 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU348M?
The NU348M catalogue lists Da = 470 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 NU348M?
The listed values for NU348M 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 NU348M?
The catalogue reference mass for NU348M is 96.3 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.