Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“M249734” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | TIMKENM249734 / M249710231.775 × 358.775 × 71.438 mm | KOYOM249734/10231.775 × 358.775 × 71.438 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | M249734 / M249710 | M249734/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | M249700 | — |
| Bore diameterd | 231.775 mm | 231.775 mm |
| Outside diameterD | 358.775 mm | 358.775 mm |
| WidthB | 71.438 mm | 71.438 mm |
| Basic dynamic load ratingC | 914 kN | 968 kN |
| Basic static load ratingC0 | 1850 kN | 1590 kN |
| Fatigue load limitPu | — | 166 kN |
| Limiting speednG | — | 920 r/min |
| Mass≈m | 26.05 kg | 26.34 kg |
| Calculation Factors | ||
| K Factor | 1.76 | — |
| Y1 Factor | 1.80 | — |
| Y2 Factor | -1.00 | — |
| Y0 Factor | 0.99 | — |
| E Factor | 0.33 | — |
| Cg Factor | 0.1526 | — |
| Classification | ||
| Official Category Path | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | Tapered roller bearings / Single-row / Inch series |
| Manufacturer Identity | ||
| Material Number | 100091005100182444 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | M249734 / M249710 | — |
| Inner Ring Part Number | M249734 | — |
| Outer Ring Part Number | M249710 | — |
| Official Source System | TS_PREPAIR | — |
| Official Last Run | 2026-08-23T00:00:00 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 358.775 mm |
| Overall Width | 75.738 mm | — |
| T | — | 71.438 mm |
| Radial Rating | 237,000 N | — |
| B | — | 71.438 mm |
| Axial Rating | 135,000 N | — |
| C | — | 53.975 mm |
| Dynamic Rating C1 | 914,000 N | — |
| R(Min.) | — | 6.4 mm |
| Dynamic Rating C90 | 237,000 N | — |
| R1(Min.) | — | 3.2 mm |
| Dynamic Axial Rating Ca90 | 135,000 N | — |
| Basic Load Ratings : Cr | — | 968 kN |
| Dynamic Axial Rating Ca1 | 521,000 N | — |
| Basic Load Ratings : C0R | — | 1590 kN |
| Static Radial Rating C0 | 1,850,000 N | — |
| Fatigue Load Limit : Cu | — | 166 kN |
| Extended Dynamic Rating Ce | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | 920 min-1 |
| Static Axial Rating C0A | 1,790,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 1200 min-1 |
| Load Center Spread : A | — | 64.4 mm |
| Constant :E | — | 0.33 |
| Axial Load Factors : Y1 | — | 1.80 |
| Axial Load Factors : Y0 | — | 0.99 |
| Da | — | 335.0 mm |
| Db | — | 343.0 mm |
| Ra(Max.) | — | 6.4 mm |
| Rb(Max.) | — | 3.2 mm |
| Mass(Refer.) | — | 26.34 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.