Metric single-row tapered roller bearings
30330 Tapered Roller Bearing Dimensions & Specifications
30330 tapered roller bearing: 150 mm bore (d), 320 mm outside diameter (D), 72 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 | 150 mm |
|---|---|
| Outside diameter D | 320 mm |
| Overall width T | 72 mm |
| Inner-ring width B | 65 mm |
| Outer-ring width C | 55 mm |
| Mass | 24.2 kg |
| Catalogue dynamic load Cr | 690 kN |
| Catalogue static load Cor | 860 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 288 mm |
|---|---|
| Abutment dimension Db Db | 304 mm |
| Abutment dimension da da | 193 mm |
| Abutment dimension db db | 174 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.7 |
| Factor Y0 Y0 | 0.92 |
| Factor e e | 0.36 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 61.4 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 30330?
For 30330, the complete bearing width T is 72 mm; the inner-ring width B is 65 mm. The outer-ring width C is 55 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30330?
The 30330 catalogue lists da = 193 mm; Da = 288 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 30330?
The catalogue reference mass for 30330 is 24.2 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.