Metric single-row tapered roller bearings
30236 Tapered Roller Bearing Dimensions & Specifications
30236 tapered roller bearing: 180 mm bore (d), 320 mm outside diameter (D), 57 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 | 180 mm |
|---|---|
| Outside diameter D | 320 mm |
| Overall width T | 57 mm |
| Inner-ring width B | 52 mm |
| Outer-ring width C | 43 mm |
| Mass | 16.6 kg |
| Catalogue dynamic load Cr | 520 kN |
| Catalogue static load Cor | 695 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 291 mm |
|---|---|
| Abutment dimension Db Db | 306 mm |
| Abutment dimension da da | 215 mm |
| Abutment dimension db db | 199 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.4 |
| Factor Y0 Y0 | 0.74 |
| Factor e e | 0.44 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 62.1 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 30236?
For 30236, the complete bearing width T is 57 mm; the inner-ring width B is 52 mm. The outer-ring width C is 43 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30236?
The 30236 catalogue lists da = 215 mm; Da = 291 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 30236?
The catalogue reference mass for 30236 is 16.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

