Metric single-row tapered roller bearings
33120 Tapered Roller Bearing Dimensions & Specifications
33120 tapered roller bearing: 100 mm bore (d), 165 mm outside diameter (D), 52 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 | 100 mm |
|---|---|
| Outside diameter D | 165 mm |
| Overall width T | 52 mm |
| Inner-ring width B | 52 mm |
| Outer-ring width C | 40 mm |
| Mass | 4.29 kg |
| Catalogue dynamic load Cr | 325 kN |
| Catalogue static load Cor | 523 kN |
Mounting dimensions & additional parameters (11)
| Abutment dimension Da Da | 142 mm |
|---|---|
| Abutment dimension Db Db | 159 mm |
| Abutment dimension da da | 112 mm |
| Minimum chamfer r12 r12 | 2.5 mm |
| Minimum chamfer r34 r34 | 2 mm |
| Factor Y Y | 1.48 |
| Factor Y0 Y0 | 0.81 |
| Factor e e | 0.41 |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Load centre dimension a a | 40.1 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 33120?
For 33120, the complete bearing width T is 52 mm; the inner-ring width B is 52 mm. The outer-ring width C is 40 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 33120?
The 33120 catalogue lists da = 112 mm; Da = 142 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 33120?
The catalogue reference mass for 33120 is 4.29 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.