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| Parameter | SKF25877/VA98334.925 × × mm | TIMKEN25877A / 2582034.925 × 73.025 × 23.813 mm | KOYO25877R/2134.925 × 73.025 × 24.608 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | 25877/VA983 | 25877A / 25820 | 25877R/21 |
| Product family | Tapered roller bearings | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Special single row tapered roller bearing, cone | Tapered roller bearings | Tapered roller bearings |
| Series | — | 25800 | — |
| Bore diameterd | 34.925 mm | 34.925 mm | 34.925 mm |
| Outside diameterD | — | 73.025 mm | 73.025 mm |
| WidthB | — | 23.813 mm | 24.608 mm |
| Basic dynamic load ratingC | 73.8 kN | 85.1 kN | 90.1 kN |
| Basic static load ratingC0 | 83 kN | 97.4 kN | 87.3 kN |
| Fatigue load limitPu | — | — | 13.1 kN |
| Limiting speednG | — | — | 5600 r/min |
| Mass≈m | 0.302 kg | 0.47 kg | 0.475 kg |
| Sealing | Without | — | — |
| Cage | Sheet metal | — | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 2.01 | — |
| Y1 Factor | — | 2.07 | — |
| Y2 Factor | — | -1.00 | — |
| Y0 Factor | — | 1.14 | — |
| E Factor | — | 0.29 | — |
| Cg Factor | — | 0.0695 | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Inch series |
| Dimensions | |||
| Width, total | 24.608 mm | — | — |
| Width, inner ring | 24.608 mm | — | — |
| Logistics | |||
| Product net weight | 0.302 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 100049429100043107 | — |
| Official Class Key | — | — | 050-010-020 |
| World Assembly Part Number | — | 25877A / 25820 | — |
| Inner Ring Part Number | — | 25877A | — |
| Outer Ring Part Number | — | 25820 | — |
| Official Source System | — | TS_PREPAIR | — |
| Official Last Run | — | 2026-08-23T00:00:00 | — |
| 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 | — |
| Number Of Rows | — | 1 | — |
| Tapered Bore | — | N | — |
| Properties | |||
| Bearing part | Inner ring, cage and roller assembly (cone assembly) | — | — |
| Bore type | Cylindrical | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Indicative carbon footprint for new product | 1.1 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 73.025 mm |
| Overall Width | — | 26.908 mm | — |
| T | — | — | 23.812 mm |
| Radial Rating | — | 22,100 N | — |
| B | — | — | 24.608 mm |
| Axial Rating | — | 11,000 N | — |
| C | — | — | 19.050 mm |
| Dynamic Rating C1 | — | 85,100 N | — |
| R(Min.) | — | — | 1.6 mm |
| Dynamic Rating C90 | — | 22,100 N | — |
| R1(Min.) | — | — | 0.8 mm |
| Dynamic Axial Rating Ca90 | — | 11,000 N | — |
| Basic Load Ratings : Cr | — | — | 90.1 kN |
| Dynamic Axial Rating Ca1 | — | 42,300 N | — |
| Basic Load Ratings : C0R | — | — | 87.3 kN |
| Static Radial Rating C0 | — | 97,400 N | — |
| Fatigue Load Limit : Cu | — | — | 13.1 kN |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 5600 min-1 |
| Static Axial Rating C0A | — | 82,400 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 7400 min-1 |
| Load Center Spread : A | — | — | 15.8 mm |
| Constant :E | — | — | 0.29 |
| Axial Load Factors : Y1 | — | — | 2.07 |
| Axial Load Factors : Y0 | — | — | 1.14 |
| Da | — | — | 65.0 mm |
| Db | — | — | 68.0 mm |
| Ra(Max.) | — | — | 1.6 mm |
| Rb(Max.) | — | — | 0.8 mm |
| Mass(Refer.) | — | — | 0.475 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.