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| Parameter | TIMKEN336 / 33241.275 × 80 × 21 mm | KOYO336/33241.275 × 80 × 22.403 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 336 / 332 | 336/332 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 335 | — |
| Bore diameterd | 41.275 mm | 41.275 mm |
| Outside diameterD | 80 mm | 80 mm |
| WidthB | 21 mm | 22.403 mm |
| Basic dynamic load ratingC | 94.3 kN | 85 kN |
| Basic static load ratingC0 | 83.4 kN | 74.8 kN |
| Fatigue load limitPu | — | 11.4 kN |
| Limiting speednG | — | 4900 r/min |
| Mass≈m | 0.47 kg | 0.469 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 2.14 | — |
| Y1 Factor | 2.20 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 1.21 | — |
| E Factor | 0.27 | — |
| Cg Factor | 0.0676 | — |
| 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 | 000000000100037891 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | 336_332 | — |
| Inner Ring Part Number | 336 | — |
| Outer Ring Part Number | 332 | — |
| Drawing Number | A-3060 | — |
| Upc | 0053893290010 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.15 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.6250 in Bore | 3.1496 in OD | 0.8268 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 80.000 mm |
| T | — | 21.000 mm |
| B | — | 22.403 mm |
| C | — | 17.826 mm |
| Overall Width | 24.203 mm | — |
| R(Min.) | — | 0.8 mm |
| Radial Rating | 24,400 N | — |
| R1(Min.) | — | 1.2 mm |
| Axial Rating | 11,400 N | — |
| Basic Load Ratings : Cr | — | 85.0 kN |
| Dynamic Rating C1 | 94,300 N | — |
| Basic Load Ratings : C0R | — | 74.8 kN |
| Dynamic Rating C90 | 24,400 N | — |
| Fatigue Load Limit : Cu | — | 11.4 kN |
| Dynamic Axial Rating Ca90 | 11,400 N | — |
| Limiting Speeds(Grease Lub.) | — | 4900 min-1 |
| Dynamic Axial Rating Ca1 | 44,100 N | — |
| Limiting Speeds(Oil Lub.) | — | 6600 min-1 |
| Static Radial Rating C0 | 83,400 N | — |
| Load Center Spread : A | — | 15.1 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.27 |
| Static Axial Rating C0A | 66,300 N | — |
| Axial Load Factors : Y1 | — | 2.20 |
| Axial Load Factors : Y0 | — | 1.21 |
| Da | — | 73.0 mm |
| Db | — | 75.0 mm |
| Ra(Max.) | — | 0.8 mm |
| Rb(Max.) | — | 1.2 mm |
| Mass(Refer.) | — | 0.469 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.