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| Parameter | TIMKEN23690 / 2362034.925 × 73.025 × 26.988 mm | KOYO23690/2034.925 × 73.025 × 26.975 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 23690 / 23620 | 23690/20 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 23600 | — |
| Bore diameterd | 34.925 mm | 34.925 mm |
| Outside diameterD | 73.025 mm | 73.025 mm |
| WidthB | 26.988 mm | 26.975 mm |
| Basic dynamic load ratingC | 89.4 kN | 97.2 kN |
| Basic static load ratingC0 | 102 kN | 94.1 kN |
| Fatigue load limitPu | — | 13.9 kN |
| Limiting speednG | — | 5700 r/min |
| Mass≈m | 0.52 kg | 0.538 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.58 | — |
| Y1 Factor | 1.62 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.89 | — |
| E Factor | 0.37 | — |
| Cg Factor | 0.0734 | — |
| 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 | 000000000100071806 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | 23690_23620 | — |
| Inner Ring Part Number | 23690 | — |
| Outer Ring Part Number | 23620 | — |
| Drawing Number | A-8911 | — |
| Upc | 0053893654515 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.593 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.3750 in Bore | 2.8750 in OD | 1.0625 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 73.025 mm |
| T | — | 26.988 mm |
| B | — | 26.975 mm |
| C | — | 22.225 mm |
| Overall Width | 29.775 mm | — |
| R(Min.) | — | 3.6 mm |
| Radial Rating | 23,200 N | — |
| R1(Min.) | — | 1.6 mm |
| Axial Rating | 14,700 N | — |
| Basic Load Ratings : Cr | — | 97.2 kN |
| Dynamic Rating C1 | 89,400 N | — |
| Basic Load Ratings : C0R | — | 94.1 kN |
| Dynamic Rating C90 | 23,200 N | — |
| Fatigue Load Limit : Cu | — | 13.9 kN |
| Dynamic Axial Rating Ca90 | 14,700 N | — |
| Limiting Speeds(Grease Lub.) | — | 5700 min-1 |
| Dynamic Axial Rating Ca1 | 56,600 N | — |
| Limiting Speeds(Oil Lub.) | — | 7600 min-1 |
| Static Radial Rating C0 | 102,000 N | — |
| Load Center Spread : A | — | 18.8 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.37 |
| Static Axial Rating C0A | 110,000 N | — |
| Axial Load Factors : Y1 | — | 1.62 |
| Axial Load Factors : Y0 | — | 0.89 |
| Da | — | 64.0 mm |
| Db | — | 68.0 mm |
| Ra(Max.) | — | 3.6 mm |
| Rb(Max.) | — | 1.6 mm |
| Mass(Refer.) | — | 0.538 kg |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.