Single-row cylindrical roller bearings
N20/1250 Cylindrical Roller Bearing Dimensions & Specifications
N20/1250 cylindrical roller bearing: 1250 mm bore (d), 1750 mm outside diameter (D), 290 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 1250 mm |
|---|---|
| Outside diameter D | 1750 mm |
| Width B | 290 mm |
| Mass | 2320 kg |
| Catalogue dynamic load Cr | 12600 kN |
| Catalogue static load Cor | 30200 kN |
Mounting dimensions & additional parameters (7)
| Abutment dimension Db Db | 1710 mm |
|---|---|
| Abutment dimension da da | 1290 mm |
| Minimum chamfer r12 r12 | 9.5 mm |
| Minimum chamfer r34 r34 | 9.5 mm |
| Maximum fillet ra ra | 8 mm |
| Maximum fillet rb rb | 8 mm |
| Roller envelope diameter Ew Ew | 1635 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for N20/1250?
The N20/1250 catalogue lists da = 1290 mm; ra ≤ 8 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 N20/1250?
The catalogue reference mass for N20/1250 is 2320 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.