Single-row cylindrical roller bearings
NJ28/1000 Cylindrical Roller Bearing Dimensions & Specifications
NJ28/1000 cylindrical roller bearing: 1000 mm bore (d), 1220 mm outside diameter (D), 128 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 1000 mm |
|---|---|
| Outside diameter D | 1220 mm |
| Width B | 128 mm |
| Mass | 345 kg |
| Catalogue dynamic load Cr | 3220 kN |
| Catalogue static load Cor | 8880 kN |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 1194 mm |
|---|---|
| Abutment dimension db db | 1026 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 | 1053 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ28/1000?
The NJ28/1000 catalogue lists Da = 1194 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 NJ28/1000?
The catalogue reference mass for NJ28/1000 is 345 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.