Single-row cylindrical roller bearings
NU18/900 Cylindrical Roller Bearing Dimensions & Specifications
NU18/900 cylindrical roller bearing: 900 mm bore (d), 1090 mm outside diameter (D), 85 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 900 mm |
|---|---|
| Outside diameter D | 1090 mm |
| Width B | 85 mm |
| Mass | 170 kg |
| Catalogue dynamic load Cr | 1890 kN |
| Catalogue static load Cor | 4500 kN |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 1048 mm |
|---|---|
| Abutment dimension db db | 939 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 | 949 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU18/900?
The NU18/900 catalogue lists Da = 1048 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 is the reference mass of NU18/900?
The catalogue reference mass for NU18/900 is 170 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.