Metric single-row tapered roller bearings
30328 Tapered Roller Bearing Dimensions & Specifications
30328 tapered roller bearing: 140 mm bore (d), 300 mm outside diameter (D), 67.75 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 | 140 mm |
|---|---|
| Outside diameter D | 300 mm |
| Overall width T | 67.75 mm |
| Inner-ring width B | 62 mm |
| Outer-ring width C | 53 mm |
| Mass | 20.1 kg |
| Catalogue dynamic load Cr | 600 kN |
| Catalogue static load Cor | 740 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 269 mm |
|---|---|
| Abutment dimension Db Db | 284 mm |
| Abutment dimension da da | 180 mm |
| Abutment dimension db db | 162 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 | 57.4 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 30328?
For 30328, the complete bearing width T is 67.75 mm; the inner-ring width B is 62 mm. The outer-ring width C is 53 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30328?
The 30328 catalogue lists da = 180 mm; Da = 269 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 30328?
The catalogue reference mass for 30328 is 20.1 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.