Metric single-row tapered roller bearings
30238 Tapered Roller Bearing Dimensions & Specifications
30238 tapered roller bearing: 190 mm bore (d), 340 mm outside diameter (D), 60 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 | 190 mm |
|---|---|
| Outside diameter D | 340 mm |
| Overall width T | 60 mm |
| Inner-ring width B | 55 mm |
| Outer-ring width C | 46 mm |
| Mass | 24 kg |
| Catalogue dynamic load Cr | 580 kN |
| Catalogue static load Cor | 790 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 311 mm |
|---|---|
| Abutment dimension Db Db | 326 mm |
| Abutment dimension da da | 230 mm |
| Abutment dimension db db | 212 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.5 |
| Factor Y0 Y0 | 0.82 |
| Factor e e | 0.4 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 62.7 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 30238?
For 30238, the complete bearing width T is 60 mm; the inner-ring width B is 55 mm. The outer-ring width C is 46 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30238?
The 30238 catalogue lists da = 230 mm; Da = 311 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 30238?
The catalogue reference mass for 30238 is 24 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.