Single-row cylindrical roller bearings
NU2276M Cylindrical Roller Bearing Dimensions & Specifications
NU2276M cylindrical roller bearing: 380 mm bore (d), 680 mm outside diameter (D), 175 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 380 mm |
|---|---|
| Outside diameter D | 680 mm |
| Width B | 175 mm |
| Mass | 290 kg |
| Catalogue dynamic load Cr | 3100 kN |
| Catalogue static load Cor | 5250 kN |
| Grease-lubricated speed grease | 750 rpm |
| Oil-lubricated speed oil | 900 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 640 mm |
|---|---|
| Abutment dimension db db | 415 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 6 mm |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 5 mm |
| Roller envelope diameter Fw Fw | 460 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2276M?
The NU2276M catalogue lists Da = 640 mm; ra ≤ 5 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 NU2276M?
The listed values for NU2276M are grease: 750 rpm; oil: 900 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 NU2276M?
The catalogue reference mass for NU2276M is 290 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.