Metric single-row tapered roller bearings
30240 Tapered Roller Bearing Dimensions & Specifications
30240 tapered roller bearing: 200 mm bore (d), 360 mm outside diameter (D), 64 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 | 200 mm |
|---|---|
| Outside diameter D | 360 mm |
| Overall width T | 64 mm |
| Inner-ring width B | 58 mm |
| Outer-ring width C | 48 mm |
| Mass | 23.8 kg |
| Catalogue dynamic load Cr | 645 kN |
| Catalogue static load Cor | 890 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 329 mm |
|---|---|
| Abutment dimension Db Db | 345 mm |
| Abutment dimension da da | 242 mm |
| Abutment dimension db db | 224 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 | 65.5 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 30240?
For 30240, the complete bearing width T is 64 mm; the inner-ring width B is 58 mm. The outer-ring width C is 48 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30240?
The 30240 catalogue lists da = 242 mm; Da = 329 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 30240?
The catalogue reference mass for 30240 is 23.8 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

