Single-row cylindrical roller bearings
NJ1064M Cylindrical Roller Bearing Dimensions & Specifications
NJ1064M cylindrical roller bearing: 320 mm bore (d), 480 mm outside diameter (D), 74 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 | 480 mm |
| Width B | 74 mm |
| Mass | 47.8 kg |
| Catalogue dynamic load Cr | 905 kN |
| Catalogue static load Cor | 1470 kN |
| Grease-lubricated speed grease | 1100 rpm |
| Oil-lubricated speed oil | 1400 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 454 mm |
|---|---|
| Abutment dimension db db | 343 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 3 mm |
| Roller envelope diameter Fw Fw | 360 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ1064M?
The NJ1064M catalogue lists Da = 454 mm; ra ≤ 3 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 NJ1064M?
The listed values for NJ1064M 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 NJ1064M?
The catalogue reference mass for NJ1064M is 47.8 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.