Metric single-row tapered roller bearings
30344 Tapered Roller Bearing Dimensions & Specifications
30344 tapered roller bearing: 220 mm bore (d), 460 mm outside diameter (D), 97 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 | 220 mm |
|---|---|
| Outside diameter D | 460 mm |
| Overall width T | 97 mm |
| Inner-ring width B | 88 mm |
| Outer-ring width C | 73 mm |
| Mass | 72.4 kg |
| Catalogue dynamic load Cr | 1430 kN |
| Catalogue static load Cor | 1990 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 414 mm |
|---|---|
| Abutment dimension Db Db | 434 mm |
| Abutment dimension da da | 277 mm |
| Abutment dimension db db | 254 mm |
| Minimum chamfer r12 r12 | 6 mm |
| Minimum chamfer r34 r34 | 5 mm |
| Factor Y Y | 1.7 |
| Factor Y0 Y0 | 0.92 |
| Factor e e | 0.36 |
| Maximum fillet ra ra | 5 mm |
| Maximum fillet rb rb | 4 mm |
| Load centre dimension a a | 85.3 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 30344?
For 30344, the complete bearing width T is 97 mm; the inner-ring width B is 88 mm. The outer-ring width C is 73 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30344?
The 30344 catalogue lists da = 277 mm; Da = 414 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 30344?
The catalogue reference mass for 30344 is 72.4 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.