Metric single-row tapered roller bearings
30244 Tapered Roller Bearing Dimensions & Specifications
30244 tapered roller bearing: 220 mm bore (d), 400 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 | 220 mm |
|---|---|
| Outside diameter D | 400 mm |
| Overall width T | 72 mm |
| Inner-ring width B | 65 mm |
| Outer-ring width C | 54 mm |
| Mass | 33.6 kg |
| Catalogue dynamic load Cr | 810 kN |
| Catalogue static load Cor | 1150 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 365 mm |
|---|---|
| Abutment dimension Db Db | 381 mm |
| Abutment dimension da da | 266 mm |
| Abutment dimension db db | 246 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 1.5 |
| Factor Y0 Y0 | 0.82 |
| Factor e e | 0.4 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 74.6 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 30244?
For 30244, the complete bearing width T is 72 mm; the inner-ring width B is 65 mm. The outer-ring width C is 54 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 30244?
The 30244 catalogue lists da = 266 mm; Da = 365 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 30244?
The catalogue reference mass for 30244 is 33.6 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.