Metric single-row tapered roller bearings
30320 Tapered Roller Bearing Dimensions & Specifications
30320 tapered roller bearing: 100 mm bore (d), 215 mm outside diameter (D), 51.5 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 | 100 mm |
|---|---|
| Outside diameter D | 215 mm |
| Overall width T | 51.5 mm |
| Inner-ring width B | 47 mm |
| Outer-ring width C | 39 mm |
| Mass | 7.94 kg |
| Catalogue dynamic load Cr | 365 kN |
| Catalogue static load Cor | 435 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 193 mm |
|---|---|
| Abutment dimension Db Db | 204 mm |
| Abutment dimension da da | 130 mm |
| Abutment dimension db db | 116 mm |
| Minimum chamfer r12 r12 | 4 mm |
| Minimum chamfer r34 r34 | 3 mm |
| Factor Y Y | 1.7 |
| Factor Y0 Y0 | 0.95 |
| Factor e e | 0.35 |
| Maximum fillet ra ra | 3 mm |
| Maximum fillet rb rb | 2.5 mm |
| Load centre dimension a a | 41.7 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 30320?
For 30320, the complete bearing width T is 51.5 mm; the inner-ring width B is 47 mm. The outer-ring width C is 39 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30320?
The 30320 catalogue lists da = 130 mm; Da = 193 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 30320?
The catalogue reference mass for 30320 is 7.94 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.