Metric single-row tapered roller bearings
30324 Tapered Roller Bearing Dimensions & Specifications
30324 tapered roller bearing: 120 mm bore (d), 260 mm outside diameter (D), 59.5 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 | 120 mm |
|---|---|
| Outside diameter D | 260 mm |
| Overall width T | 59.5 mm |
| Inner-ring width B | 55 mm |
| Outer-ring width C | 46 mm |
| Mass | 13.9 kg |
| Catalogue dynamic load Cr | 535 kN |
| Catalogue static load Cor | 655 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 234 mm |
|---|---|
| Abutment dimension Db Db | 247 mm |
| Abutment dimension da da | 155 mm |
| Abutment dimension db db | 139 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Factor Y Y | 1.7 |
| Factor Y0 Y0 | 0.96 |
| Factor e e | 0.35 |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 2.5 mm |
| Load centre dimension a a | 50 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 30324?
For 30324, the complete bearing width T is 59.5 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 30324?
The 30324 catalogue lists da = 155 mm; Da = 234 mm; ra ≤ 3 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 30324?
The catalogue reference mass for 30324 is 13.9 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

