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| Parameter | TIMKENM246942 / M246910231.775 × 336.55 × 65.088 mm | KOYOM246942/10231.775 × 336.55 × 65.088 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | M246942 / M246910 | M246942/10 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | M246900 | — |
| Bore diameterd | 231.775 mm | 231.775 mm |
| Outside diameterD | 336.55 mm | 336.55 mm |
| WidthB | 65.088 mm | 65.088 mm |
| Basic dynamic load ratingC | 789 kN | 887 kN |
| Basic static load ratingC0 | 1570 kN | 1380 kN |
| Fatigue load limitPu | — | 150 kN |
| Limiting speednG | — | 920 r/min |
| Mass≈m | 18.5 kg | 18.54 kg |
| Precision class | ABMA Class 2 | — |
| Sealing | Open | — |
| Cage | Steel cage | — |
| Calculation Factors | ||
| K Factor | 1.76 | — |
| Y1 Factor | 1.80 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.99 | — |
| E Factor | 0.33 | — |
| Cg Factor | 0.1436 | — |
| 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 | 000000000100374732 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | M246942_M246910 | — |
| Inner Ring Part Number | M246942 | — |
| Outer Ring Part Number | M246910 | — |
| Drawing Number | C-30136 | — |
| Upc | 0053893770130 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.673 | — |
| Product Identity | ||
| Type Description | TS - Tapered Single | — |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 9.1250 in Bore | 13.2500 in OD | 2.5625 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 336.550 mm |
| T | — | 65.088 mm |
| B | — | 65.088 mm |
| C | — | 50.800 mm |
| Overall Width | 73.988 mm | — |
| R(Min.) | — | 6.4 mm |
| Radial Rating | 204,000 N | — |
| R1(Min.) | — | 3.2 mm |
| Axial Rating | 116,000 N | — |
| Basic Load Ratings : Cr | — | 887 kN |
| Dynamic Rating C1 | 789,000 N | — |
| Basic Load Ratings : C0R | — | 1380 kN |
| Dynamic Rating C90 | 204,000 N | — |
| Fatigue Load Limit : Cu | — | 150 kN |
| Dynamic Axial Rating Ca90 | 116,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 920 min-1 |
| Dynamic Axial Rating Ca1 | 449,000 N | — |
| Limiting Speeds(Oil Lub.) | — | 1200 min-1 |
| Static Radial Rating C0 | 1,570,000 N | — |
| Load Center Spread : A | — | 59.9 mm |
| Extended Dynamic Rating Ce | 0 N | — |
| Constant :E | — | 0.33 |
| Static Axial Rating C0A | 1,520,000 N | — |
| Axial Load Factors : Y1 | — | 1.80 |
| Axial Load Factors : Y0 | — | 0.99 |
| Da | — | 313.0 mm |
| Db | — | 322.0 mm |
| Ra(Max.) | — | 6.4 mm |
| Rb(Max.) | — | 3.2 mm |
| Mass(Refer.) | — | 18.54 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.