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| Parameter | SKF1512331.75 × × mm | TIMKEN15123 / 1524331.75 × 61.912 × 18.161 mm | KOYO15123/24531.75 × 62 × 19.05 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | 15123 | 15123 / 15243 | 15123/245 |
| Product family | Tapered roller bearings | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Single row tapered roller bearing, cone | Tapered roller bearings | Tapered roller bearings |
| Series | — | 15000 | — |
| Bore diameterd | 31.75 mm | 31.75 mm | 31.75 mm |
| Outside diameterD | — | 61.912 mm | 62 mm |
| WidthB | — | 18.161 mm | 19.05 mm |
| Basic dynamic load ratingC | 59.5 kN | 59.9 kN | 55.7 kN |
| Basic static load ratingC0 | 57 kN | 53.9 kN | 50.7 kN |
| Fatigue load limitPu | — | — | 7.3 kN |
| Limiting speednG | — | — | 6400 r/min |
| Mass≈m | 0.162 kg | 0.24 kg | 0.238 kg |
| Precision class | — | ABMA Class 2 | — |
| Sealing | Without | Open | — |
| Cage | Sheet metal | Steel cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 1.67 | — |
| Y1 Factor | — | 1.71 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.94 | — |
| E Factor | — | 0.35 | — |
| Cg Factor | — | 0.0606 | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Inch series |
| Dimensions | |||
| Width, total | 19.05 mm | — | — |
| Width, inner ring | 19.05 mm | — | — |
| Logistics | |||
| Product net weight | 0.162 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000100084406 | — |
| Official Class Key | — | — | 050-010-020 |
| World Assembly Part Number | — | 15123_15243 | — |
| Inner Ring Part Number | — | 15123 | — |
| Outer Ring Part Number | — | 15243 | — |
| Drawing Number | — | C-81615 | — |
| Upc | — | 0053893780535 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:48.493 | — |
| Product identity | |||
| Official product category | Tapered roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Type Description | — | TS - Tapered Single | — |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.2500 in Bore | 2.4375 in OD | 0.7150 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | — | 1 | — |
| Tapered Bore | — | N | — |
| Properties | |||
| Bearing part | Inner ring, cage and roller assembly (cone assembly) | — | — |
| Bore type | Cylindrical | — | — |
| Arrangement of contact angle (double-row bearing) | Not applicable | — | — |
| Matched arrangement | No | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Unit system | Inch | — | — |
| Indicative carbon footprint for new product | 0.6 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 62.000 mm |
| T | — | — | 18.161 mm |
| B | — | — | 19.050 mm |
| C | — | — | 14.288 mm |
| Overall Width | — | 21.550 mm | — |
| R(Min.) | — | — | SP mm |
| Radial Rating | — | 15,500 N | — |
| R1(Min.) | — | — | 1.2 mm |
| Axial Rating | — | 9,310 N | — |
| Basic Load Ratings : Cr | — | — | 55.7 kN |
| Dynamic Rating C1 | — | 59,900 N | — |
| Basic Load Ratings : C0R | — | — | 50.7 kN |
| Dynamic Rating C90 | — | 15,500 N | — |
| Fatigue Load Limit : Cu | — | — | 7.30 kN |
| Dynamic Axial Rating Ca90 | — | 9,310 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 6400 min-1 |
| Dynamic Axial Rating Ca1 | — | 35,900 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 8600 min-1 |
| Static Radial Rating C0 | — | 53,900 N | — |
| Load Center Spread : A | — | — | 13.2 mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant :E | — | — | 0.35 |
| Static Axial Rating C0A | — | 55,100 N | — |
| Axial Load Factors : Y1 | — | — | 1.71 |
| Axial Load Factors : Y0 | — | — | 0.94 |
| Da | — | — | 55.0 mm |
| Db | — | — | 58.0 mm |
| Ra(Max.) | — | — | 3.5 mm |
| Rb(Max.) | — | — | 1.2 mm |
| Mass(Refer.) | — | — | 0.238 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.