Metric single-row tapered roller bearings
32056X Tapered Roller Bearing Dimensions & Specifications
32056X tapered roller bearing: 280 mm bore (d), 420 mm outside diameter (D), 87 mm overall width (T). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 280 mm |
|---|---|
| Outside diameter D | 420 mm |
| Overall width T | 87 mm |
| Inner-ring width B | 87 mm |
| Outer-ring width C | 65 mm |
| Mass | 40.6 kg |
| Catalogue dynamic load Cr | 1180 kN |
| Catalogue static load Cor | 2240 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 386 mm |
|---|---|
| Abutment dimension Db Db | 409 mm |
| Abutment dimension da da | 320 mm |
| Abutment dimension db db | 295 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.3 |
| Factor Y0 Y0 | 0.72 |
| Factor e e | 0.46 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 91.6 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which width should I use when checking 32056X?
For 32056X, the complete bearing width T is 87 mm; the inner-ring width B is 87 mm. The outer-ring width C is 65 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 32056X?
The 32056X catalogue lists da = 320 mm; Da = 386 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 32056X?
The catalogue reference mass for 32056X is 40.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.