Single-row cylindrical roller bearings
NJ28/530 Cylindrical Roller Bearing Dimensions & Specifications
NJ28/530 cylindrical roller bearing: 530 mm bore (d), 650 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 | 530 mm |
|---|---|
| Outside diameter D | 650 mm |
| Width B | 72 mm |
| Mass | 52.0 kg |
| Catalogue dynamic load Cr | 1170 kN |
| Catalogue static load Cor | 2750 kN |
| Grease-lubricated speed grease | 750 rpm |
| Oil-lubricated speed oil | 900 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 636 mm |
|---|---|
| Abutment dimension db db | 544 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 | 560.5 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ28/530?
The NJ28/530 catalogue lists Da = 636 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 NJ28/530?
The listed values for NJ28/530 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 NJ28/530?
The catalogue reference mass for NJ28/530 is 52.0 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.