Metric single-row tapered roller bearings
30348 Tapered Roller Bearing Dimensions & Specifications
30348 tapered roller bearing: 240 mm bore (d), 500 mm outside diameter (D), 105 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 | 240 mm |
|---|---|
| Outside diameter D | 500 mm |
| Overall width T | 105 mm |
| Inner-ring width B | 95 mm |
| Outer-ring width C | 80 mm |
| Mass | 92.6 kg |
| Catalogue dynamic load Cr | 1660 kN |
| Catalogue static load Cor | 2340 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 449 mm |
|---|---|
| Abutment dimension Db Db | 471 mm |
| Abutment dimension da da | 300 mm |
| Abutment dimension db db | 277 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Factor Y Y | 1.7 |
| Factor Y0 Y0 | 0.92 |
| Factor e e | 0.36 |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 4 mm |
| Load centre dimension a a | 92.8 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 30348?
For 30348, the complete bearing width T is 105 mm; the inner-ring width B is 95 mm. The outer-ring width C is 80 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30348?
The 30348 catalogue lists da = 300 mm; Da = 449 mm; ra ≤ 5 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 30348?
The catalogue reference mass for 30348 is 92.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.