Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Cross Reference centre · Interchange verification checklist · Understand suffix differences
You entered 15101-902A1. This table explores the base group 15101; it does not preserve or approve every requested suffix. Search your complete marking first →
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.
“15101” 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.
Brand differences at a glance
| Parameter | TIMKEN15101 / 1524925.4 × 63.5 × 20.638 mm | KOYO15101/250R25.4 × 63.5 × 20.638 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 15101 / 15249 | 15101/250R |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 15000 | — |
| Bore diameterd | 25.4 mm | 25.4 mm |
| Outside diameterD | 63.5 mm | 63.5 mm |
| WidthB | 20.638 mm | 20.638 mm |
| Basic dynamic load ratingC | 59.9 kN | 55.7 kN |
| Basic static load ratingC0 | 53.9 kN | 50.7 kN |
| Fatigue load limitPu | — | 7.3 kN |
| Limiting speednG | — | 6400 r/min |
| Mass≈m | 0.33 kg | 0.312 kg |
| Calculation Factors | ||
| K Factor | 1.67 | — |
| Y1 Factor | 1.71 | — |
| Y2 Factor | -1.00 | — |
| Y0 Factor | 0.94 | — |
| E Factor | 0.35 | — |
| Cg Factor | 0.0606 | — |
| 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 | 100054157100143014 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | 15101 / 15249 | — |
| Inner Ring Part Number | 15101 | — |
| Outer Ring Part Number | 15249 | — |
| 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 | — | 63.500 mm |
| Overall Width | 22.438 mm | — |
| T | — | 19.050 mm |
| Radial Rating | 15,500 N | — |
| B | — | 20.638 mm |
| Axial Rating | 9,310 N | — |
| C | — | 14.288 mm |
| Dynamic Rating C1 | 59,900 N | — |
| R(Min.) | — | 0.8 mm |
| Dynamic Rating C90 | 15,500 N | — |
| R1(Min.) | — | 1.2 mm |
| Dynamic Axial Rating Ca90 | 9,310 N | — |
| Basic Load Ratings : Cr | — | 55.7 kN |
| Dynamic Axial Rating Ca1 | 35,900 N | — |
| Basic Load Ratings : C0R | — | 50.7 kN |
| Static Radial Rating C0 | 53,900 N | — |
| Fatigue Load Limit : Cu | — | 7.30 kN |
| Extended Dynamic Rating Ce | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | 6400 min-1 |
| Static Axial Rating C0A | 55,100 N | — |
| Limiting Speeds(Oil Lub.) | — | 8600 min-1 |
| Load Center Spread : A | — | 13.2 mm |
| Constant :E | — | 0.35 |
| Axial Load Factors : Y1 | — | 1.71 |
| Axial Load Factors : Y0 | — | 0.94 |
| Da | — | 55.0 mm |
| Db | — | 59.0 mm |
| Ra(Max.) | — | 0.8 mm |
| Rb(Max.) | — | 1.2 mm |
| Mass(Refer.) | — | 0.312 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.