Metric single-row tapered roller bearings
33021 Tapered Roller Bearing Dimensions & Specifications
33021 tapered roller bearing: 105 mm bore (d), 160 mm outside diameter (D), 43 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 | 43 mm |
| Inner-ring width B | 43 mm |
| Outer-ring width C | 34 mm |
| Mass | 3.05 kg |
| Catalogue dynamic load Cr | 246 kN |
| Catalogue static load Cor | 430 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 150 mm |
|---|---|
| Abutment dimension Db Db | 153 mm |
| Abutment dimension da da | 115 mm |
| Abutment dimension db db | 117 mm |
| Minimum chamfer r12 r12 | 2.5 mm |
| Minimum chamfer r34 r34 | 2 mm |
| Factor Y Y | 2.1 |
| Factor Y0 Y0 | 1.1 |
| Factor e e | 0.28 |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Load centre dimension a a | 31 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 33021?
For 33021, the complete bearing width T is 43 mm; the inner-ring width B is 43 mm. The outer-ring width C is 34 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 33021?
The 33021 catalogue lists da = 115 mm; Da = 150 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 33021?
The catalogue reference mass for 33021 is 3.05 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.