Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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You entered 67791-90300. This table explores the base group 67791; 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.
“67791” across 2 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Brand differences at a glance
| Parameter | TIMKEN67791 / 67720177.8 × 247.65 × 47.625 mm | KOYO67791D/20/21D177.8 × 247.65 × 192.088 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 67791 / 67720 | 67791D/20/21D |
| Product family | TS - Tapered Single | Four-row tapered roller bearings |
| Detailed type | Tapered roller bearings | Rolling mill roll neck bearings |
| Series | 67700 | — |
| Bore diameterd | 177.8 mm | 177.8 mm |
| Outside diameterD | 247.65 mm | 247.65 mm |
| WidthB | 47.625 mm | 192.088 mm |
| Basic dynamic load ratingC | 405 kN | 1270 kN |
| Basic static load ratingC0 | 779 kN | 2800 kN |
| Fatigue load limitPu | — | 319 kN |
| Mass≈m | 6.59 kg | 28.4 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.33 | — |
| Y1 Factor | 1.36 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.75 | — |
| E Factor | 0.44 | — |
| Cg Factor | 0.1214 | — |
| Classification | ||
| Official Category Path | — | Rolling mill roll neck bearings - Four-row tapered roller bearings |
| Official Classification 1 | — | Rolling mill roll neck bearings / Four-row tapered roller bearings |
| Manufacturer Identity | ||
| Material Number | 000000000100375227 | — |
| Official Class Key | — | 140-020-000 |
| World Assembly Part Number | 67791_67720 | — |
| Inner Ring Part Number | 67791 | — |
| Outer Ring Part Number | 67720 | — |
| Drawing Number | B-32244 | — |
| Upc | 0085706366469 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:46.73 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 7.0000 in Bore | 9.7500 in OD | 1.8750 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 247.650 mm |
| T | — | 192.088 mm |
| W | — | 192.088 mm |
| R(Min.) | — | 3.2 mm |
| R1(Min.) | — | 1.6 mm |
| Overall Width | 54.725 mm | — |
| Basic Load Ratings : Cr | — | 1270 kN |
| Radial Rating | 105,000 N | — |
| Basic Load Ratings : C0R | — | 2800 kN |
| Axial Rating | 79,000 N | — |
| Fatigue Load Limit : Cu | — | 319 kN |
| Dynamic Rating C1 | 405,000 N | — |
| Axial Load Factors : Y2 | — | 1.54 mm |
| Dynamic Rating C90 | 105,000 N | — |
| Axial Load Factors : Y3 | — | 2.29 |
| Dynamic Axial Rating Ca90 | 79,000 N | — |
| Axial Load Factors : Y0 | — | 1.50 |
| Dynamic Axial Rating Ca1 | 305,000 N | — |
| Constant E | — | 0.44 |
| Static Radial Rating C0 | 779,000 N | — |
| Da(Min.) | — | 189 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Da(Max.) | — | 225 mm |
| Static Axial Rating C0A | 998,000 N | — |
| S(Min.) | — | 5 mm |
| Ra(Max.) | — | 3.2 mm |
| Rb(Max.) | — | 1.6 mm |
| Mass(Refer.) | — | 28.4 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.