Metric single-row tapered roller bearings
30260 Tapered Roller Bearing Dimensions & Specifications
30260 tapered roller bearing: 300 mm bore (d), 540 mm outside diameter (D), 96 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 | 300 mm |
|---|---|
| Outside diameter D | 540 mm |
| Overall width T | 96 mm |
| Inner-ring width B | 85 mm |
| Outer-ring width C | 71 mm |
| Mass | 80.6 kg |
| Catalogue dynamic load Cr | 1440 kN |
| Catalogue static load Cor | 2100 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 493 mm |
|---|---|
| Abutment dimension Db Db | 517 mm |
| Abutment dimension da da | 357 mm |
| Abutment dimension db db | 331 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Factor Y Y | 1.4 |
| Factor Y0 Y0 | 0.74 |
| Factor e e | 0.44 |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 4 mm |
| Load centre dimension a a | 105.1 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 30260?
For 30260, the complete bearing width T is 96 mm; the inner-ring width B is 85 mm. The outer-ring width C is 71 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30260?
The 30260 catalogue lists da = 357 mm; Da = 493 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 30260?
The catalogue reference mass for 30260 is 80.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.