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CUSTOM / 08 MAX
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| Parameter | TIMKEN420 / 41240 × 82.55 × 34.924 mm | KOYO420/41440 × 88.501 × 29.083 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | 420 / 412 | 420/414 |
| Product family | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | 415 | — |
| Bore diameterd | 40 mm | 40 mm |
| Outside diameterD | 82.55 mm | 88.501 mm |
| WidthB | 34.924 mm | 29.083 mm |
| Basic dynamic load ratingC | 116 kN | 123 kN |
| Basic static load ratingC0 | 124 kN | 112 kN |
| Fatigue load limitPu | — | 17.2 kN |
| Limiting speednG | — | 4900 r/min |
| Mass≈m | 0.74 kg | 0.79 kg |
| Calculation Factors | ||
| K Factor | 2.22 | — |
| Y1 Factor | 2.28 | — |
| Y2 Factor | -1.00 | — |
| Y0 Factor | 1.25 | — |
| E Factor | 0.26 | — |
| Cg Factor | 0.0731 | — |
| 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 | 100037769100035883 | — |
| Official Class Key | — | 050-010-020 |
| World Assembly Part Number | 420 / 412 | — |
| Inner Ring Part Number | 420 | — |
| Outer Ring Part Number | 412 | — |
| 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 | — | 88.501 mm |
| Overall Width | 34.924 mm | — |
| T | — | 26.988 mm |
| Radial Rating | 30,000 N | — |
| B | — | 29.083 mm |
| Axial Rating | 13,500 N | — |
| C | — | 22.225 mm |
| Dynamic Rating C1 | 116,000 N | — |
| R(Min.) | — | 3.6 mm |
| Dynamic Rating C90 | 30,000 N | — |
| R1(Min.) | — | 1.6 mm |
| Dynamic Axial Rating Ca90 | 13,500 N | — |
| Basic Load Ratings : Cr | — | 123 kN |
| Dynamic Axial Rating Ca1 | 52,200 N | — |
| Basic Load Ratings : C0R | — | 112 kN |
| Static Radial Rating C0 | 124,000 N | — |
| Fatigue Load Limit : Cu | — | 17.2 kN |
| Extended Dynamic Rating Ce | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | 4900 min-1 |
| Static Axial Rating C0A | 95,500 N | — |
| Limiting Speeds(Oil Lub.) | — | 6500 min-1 |
| Load Center Spread : A | — | 16.9 mm |
| Constant :E | — | 0.26 |
| Axial Load Factors : Y1 | — | 2.28 |
| Axial Load Factors : Y0 | — | 1.25 |
| Da | — | 77.0 mm |
| Db | — | 80.0 mm |
| Ra(Max.) | — | 3.6 mm |
| Rb(Max.) | — | 1.6 mm |
| Mass(Refer.) | — | 0.79 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.