Single-row cylindrical roller bearings
NU1084 Cylindrical Roller Bearing Dimensions & Specifications
NU1084 cylindrical roller bearing: 420 mm bore (d), 620 mm outside diameter (D), 90 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 | 90 mm |
| Mass | 91.7 kg |
| Catalogue dynamic load Cr | 1390 kN |
| Catalogue static load Cor | 2380 kN |
| Grease-lubricated speed grease | 900 rpm |
| Oil-lubricated speed oil | 1100 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 | 570 mm |
| Roller envelope diameter Fw Fw | 470 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1084?
The NU1084 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 NU1084?
The listed values for NU1084 are grease: 900 rpm; oil: 1100 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 NU1084?
The catalogue reference mass for NU1084 is 91.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.