Single-row cylindrical roller bearings
NU1088 Cylindrical Roller Bearing Dimensions & Specifications
NU1088 cylindrical roller bearing: 440 mm bore (d), 650 mm outside diameter (D), 94 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 440 mm |
|---|---|
| Outside diameter D | 650 mm |
| Width B | 94 mm |
| Mass | 105 kg |
| Catalogue dynamic load Cr | 1470 kN |
| Catalogue static load Cor | 2530 kN |
| Grease-lubricated speed grease | 850 rpm |
| Oil-lubricated speed oil | 1000 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 611 mm |
|---|---|
| Abutment dimension db db | 476 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 6 mm |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 5 mm |
| Roller envelope diameter Fw Fw | 493 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU1088?
The NU1088 catalogue lists Da = 611 mm; ra ≤ 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 NU1088?
The listed values for NU1088 are grease: 850 rpm; oil: 1000 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 NU1088?
The catalogue reference mass for NU1088 is 105 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.