Single-row cylindrical roller bearings
NU3084 Cylindrical Roller Bearing Dimensions & Specifications
NU3084 cylindrical roller bearing: 420 mm bore (d), 620 mm outside diameter (D), 150 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 | 620 mm |
| Width B | 150 mm |
| Mass | 158 kg |
| Catalogue dynamic load Cr | 2190 kN |
| Catalogue static load Cor | 4600 kN |
| Grease-lubricated speed grease | 750 rpm |
| Oil-lubricated speed oil | 900 rpm |
Mounting dimensions & additional parameters (8)
| Abutment dimension Da Da | 588 mm |
|---|---|
| Abutment dimension db db | 449 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 4 mm |
| Roller envelope diameter Ew Ew | 568 mm |
| Roller envelope diameter Fw Fw | 478 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU3084?
The NU3084 catalogue lists Da = 588 mm; ra ≤ 4 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 NU3084?
The listed values for NU3084 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 NU3084?
The catalogue reference mass for NU3084 is 158 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.