Single-row cylindrical roller bearings
NJ18/1180 Cylindrical Roller Bearing Dimensions & Specifications
NJ18/1180 cylindrical roller bearing: 1180 mm bore (d), 1420 mm outside diameter (D), 106 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 1180 mm |
|---|---|
| Outside diameter D | 1420 mm |
| Width B | 106 mm |
| Mass | 350 kg |
| Catalogue dynamic load Cr | 2960 kN |
| Catalogue static load Cor | 7180 kN |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 1394 mm |
|---|---|
| Abutment dimension db db | 1206 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 | 1242 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ18/1180?
The NJ18/1180 catalogue lists Da = 1394 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 is the reference mass of NJ18/1180?
The catalogue reference mass for NJ18/1180 is 350 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.