Single-row cylindrical roller bearings
NU28/850 Cylindrical Roller Bearing Dimensions & Specifications
NU28/850 cylindrical roller bearing: 850 mm bore (d), 1030 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 | 850 mm |
|---|---|
| Outside diameter D | 1030 mm |
| Width B | 106 mm |
| Mass | 183 kg |
| Catalogue dynamic load Cr | 2130 kN |
| Catalogue static load Cor | 5950 kN |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 989 mm |
|---|---|
| Abutment dimension db db | 888 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 | 900 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NU28/850?
The NU28/850 catalogue lists Da = 989 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 NU28/850?
The catalogue reference mass for NU28/850 is 183 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.