Single-row cylindrical roller bearings
NU18/750 Cylindrical Roller Bearing Dimensions & Specifications
NU18/750 cylindrical roller bearing: 750 mm bore (d), 920 mm outside diameter (D), 78 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 750 mm |
|---|---|
| Outside diameter D | 920 mm |
| Width B | 78 mm |
| Mass | 110 kg |
| Catalogue dynamic load Cr | 1240 kN |
| Catalogue static load Cor | 3240 kN |
| Grease-lubricated speed grease | 500 rpm |
| Oil-lubricated speed oil | 600 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 900 mm |
|---|---|
| Abutment dimension db db | 770 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 Fw Fw | 794 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU18/750?
The NU18/750 catalogue lists Da = 900 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 NU18/750?
The listed values for NU18/750 are grease: 500 rpm; oil: 600 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 NU18/750?
The catalogue reference mass for NU18/750 is 110 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.