Metric single-row tapered roller bearings
32021X Tapered Roller Bearing Dimensions & Specifications
32021X tapered roller bearing: 105 mm bore (d), 160 mm outside diameter (D), 35 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 | 105 mm |
|---|---|
| Outside diameter D | 160 mm |
| Overall width T | 35 mm |
| Inner-ring width B | 35 mm |
| Outer-ring width C | 26 mm |
| Mass | 2.48 kg |
| Catalogue dynamic load Cr | 204 kN |
| Catalogue static load Cor | 340 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 146 mm |
|---|---|
| Abutment dimension Db Db | 155 mm |
| Abutment dimension da da | 122 mm |
| Abutment dimension db db | 112 mm |
| Minimum chamfer r12 r12 | 2.5 mm |
| Minimum chamfer r34 r34 | 2 mm |
| Factor Y Y | 1.4 |
| Factor Y0 Y0 | 0.74 |
| Factor e e | 0.44 |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Load centre dimension a a | 34.3 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 32021X?
For 32021X, the complete bearing width T is 35 mm; the inner-ring width B is 35 mm. The outer-ring width C is 26 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 32021X?
The 32021X catalogue lists da = 122 mm; Da = 146 mm; ra ≤ 2 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 32021X?
The catalogue reference mass for 32021X is 2.48 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

