Single-row cylindrical roller bearings
NU2968M Cylindrical Roller Bearing Dimensions & Specifications
NU2968M cylindrical roller bearing: 340 mm bore (d), 460 mm outside diameter (D), 72 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 340 mm |
|---|---|
| Outside diameter D | 460 mm |
| Width B | 72 mm |
| Mass | 33.7 kg |
| Catalogue dynamic load Cr | 780 kN |
| Catalogue static load Cor | 1570 kN |
| Grease-lubricated speed grease | 1100 rpm |
| Oil-lubricated speed oil | 1400 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 438 mm |
|---|---|
| Abutment dimension db db | 361 mm |
| Minimum chamfer r12 r12 | 3 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Maximum fillet ra ra | 2.5 mm |
| Maximum fillet rb rb | 2.5 mm |
| Roller envelope diameter Fw Fw | 370 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2968M?
The NU2968M catalogue lists Da = 438 mm; ra ≤ 2.5 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 NU2968M?
The listed values for NU2968M 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 NU2968M?
The catalogue reference mass for NU2968M is 33.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.