Single-row cylindrical roller bearings
NU276M Cylindrical Roller Bearing Dimensions & Specifications
NU276M cylindrical roller bearing: 380 mm bore (d), 680 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 | 380 mm |
|---|---|
| Outside diameter D | 680 mm |
| Width B | 95 mm |
| Mass | 158 kg |
| Catalogue dynamic load Cr | 1700 kN |
| Catalogue static load Cor | 2700 kN |
| Grease-lubricated speed grease | 850 rpm |
| Oil-lubricated speed oil | 1000 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 | 470 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU276M?
The NU276M 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 NU276M?
The listed values for NU276M are grease: 850 rpm; oil: 1000 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 NU276M?
The catalogue reference mass for NU276M is 158 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.