Single-row cylindrical roller bearings
NU2284 Cylindrical Roller Bearing Dimensions & Specifications
NU2284 cylindrical roller bearing: 420 mm bore (d), 760 mm outside diameter (D), 195 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 420 mm |
|---|---|
| Outside diameter D | 760 mm |
| Width B | 195 mm |
| Mass | 406 kg |
| Catalogue dynamic load Cr | 4400 kN |
| Catalogue static load Cor | 8200 kN |
| Grease-lubricated speed grease | 750 rpm |
| Oil-lubricated speed oil | 900 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 713 mm |
|---|---|
| Abutment dimension db db | 462 mm |
| Minimum chamfer r12 r12 | 7.5 mm |
| Minimum chamfer r34 r34 | 7.5 mm |
| Maximum fillet ra ra | 6 mm |
| Maximum fillet rb rb | 6 mm |
| Roller envelope diameter Fw Fw | 515 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU2284?
The NU2284 catalogue lists Da = 713 mm; ra ≤ 6 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 NU2284?
The listed values for NU2284 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 NU2284?
The catalogue reference mass for NU2284 is 406 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.