Single-row cylindrical roller bearings
NU1964M Cylindrical Roller Bearing Dimensions & Specifications
NU1964M cylindrical roller bearing: 320 mm bore (d), 440 mm outside diameter (D), 56 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 320 mm |
|---|---|
| Outside diameter D | 440 mm |
| Width B | 56 mm |
| Mass | 25.7 kg |
| Catalogue dynamic load Cr | 580 kN |
| Catalogue static load Cor | 1050 kN |
| Grease-lubricated speed grease | 1100 rpm |
| Oil-lubricated speed oil | 1400 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 418 mm |
|---|---|
| Abutment dimension db db | 340 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 | 352 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1964M?
The NU1964M catalogue lists Da = 418 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 NU1964M?
The listed values for NU1964M 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 NU1964M?
The catalogue reference mass for NU1964M is 25.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.