Metric single-row tapered roller bearings
31336 Tapered Roller Bearing Dimensions & Specifications
31336 tapered roller bearing: 180 mm bore (d), 380 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 | 180 mm |
|---|---|
| Outside diameter D | 380 mm |
| Overall width T | 97 mm |
| Inner-ring width B | 88 mm |
| Outer-ring width C | 60 mm |
| Mass | 47.7 kg |
| Catalogue dynamic load Cr | 1040 kN |
| Catalogue static load Cor | 1530 kN |
Mounting dimensions & additional parameters (12)
| Abutment dimension Da Da | 343 mm |
|---|---|
| Abutment dimension Db Db | 360 mm |
| Abutment dimension da da | 230 mm |
| Abutment dimension db db | 209 mm |
| Minimum chamfer r12 r12 | 5 mm |
| Minimum chamfer r34 r34 | 4 mm |
| Factor Y Y | 0.7 |
| Factor Y0 Y0 | 0.4 |
| Factor e e | 0.83 |
| Maximum fillet ra ra | 4 mm |
| Maximum fillet rb rb | 3 mm |
| Load centre dimension a a | 119 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 31336?
For 31336, the complete bearing width T is 97 mm; the inner-ring width B is 88 mm. The outer-ring width C is 60 mm. Check T against the assembly drawing; the separate ring widths describe different parts.
Which mounting dimensions are listed for 31336?
The 31336 catalogue lists da = 230 mm; Da = 343 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 31336?
The catalogue reference mass for 31336 is 47.7 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

