Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“K25877” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAGK25877-2582034.925 × 73.025 × 23.813 mm | TIMKENK25877 / K2582034.925 × 73.025 × 23.813 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | K25877-25820 | K25877 / K25820 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | — | 25800 |
| Bore diameterd | 34.925 mm | 34.925 mm |
| Outside diameterD | 73.025 mm | 73.025 mm |
| WidthB | 23.813 mm | 23.813 mm |
| Basic dynamic load ratingC | 66 kN | 101 kN |
| Basic static load ratingC0 | 77 kN | 97.4 kN |
| Fatigue load limitPu | 9.6 kN | — |
| Reference speednref | 7100 r/min | — |
| Limiting speednG | 10300 r/min | — |
| Mass≈m | 0.462 kg | 0.47 kg |
| Precision class | ABMA4 — Class 4 (ANSI/ABMA 19.2:2013) | — |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | — |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 120 °C | — |
| 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 |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.29 | — |
| Dynamic axial load factorY | 2.07 | — |
| Static axial load factorY0 | 1.14 | — |
| Capabilities & suitability | ||
| Radial load capacity | Yes | — |
| Axial load capacity in one direction | Yes | — |
| Suitable for grease lubrication | Yes | — |
| Suitable for oil lubrication | Yes | — |
| Unsealed design | Yes | — |
| Dimensions | ||
| Minimum chamfer dimension of inner ring back facer1, 2 min | 1.5 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.059 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 2.3 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.091 in | — |
| Distance between the apexes of the pressure conesa | 16 mm | — |
| Distance between the apexes of the pressure conesa | 0.63 in | — |
| Guidance rib diameter of inner ringd1 | 53.9 mm | — |
| Guidance rib diameter of inner ringd1 | 2.122 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 24.608 mm | — |
| Width, inner ringB | 0.969 in | — |
| Width, outer ringC | 19.05 mm | — |
| Width, outer ringC | 0.75 in | — |
| Width, totalT | 23.813 mm | — |
| Width, totalT | 0.938 in | — |
| Basic dynamic load rating, radialCr | 66,000 N | — |
| Basic dynamic load rating, radialCr | 14,838.129 lbf | — |
| Basic static load rating, radialC0r | 77,000 N | — |
| Basic static load rating, radialC0r | 17,311.151 lbf | — |
| Fatigue load limit, radialCur | 9,600 N | — |
| Fatigue load limit, radialCur | 2,158.273 lbf | — |
| Thermal speed ratingnϑr | 7,100 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 2266225 | — |
| Material Number | — | 190109664190109681 |
| Base Type | K25877-25820 | — |
| World Assembly Part Number | — | K25877 / K25820 |
| Product Line Id | 36 | — |
| Inner Ring Part Number | — | K25877 |
| Outer Ring Part Number | — | K25820 |
| Official Source System | — | TS_PREPAIR |
| Official Last Run | — | 2026-08-23T00:00:00 |
| Base product | 2305091001 | — |
| Bearing X designation | K25877-25820 | — |
| Mounting Manager ID | K25877-25820 | — |
| Grease application ID | K25877-25820 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 40.5 mm | — |
| Maximum diameter of shaft shoulderda max | 1.594 in | — |
| Minimum diameter of shaft shoulderdb min | 43 mm | — |
| Minimum diameter of shaft shoulderdb min | 1.693 in | — |
| Minimum diameter of housing shoulderDa min | 63 mm | — |
| Minimum diameter of housing shoulderDa min | 2.48 in | — |
| Minimum diameter of housing shoulderDb min | 68 mm | — |
| Minimum diameter of housing shoulderDb min | 2.677 in | — |
| Minimum axial spaceCa min | 4.5 mm | — |
| Minimum axial spaceCa min | 0.177 in | — |
| Minimum axial spaceCb min | 4.5 mm | — |
| Minimum axial spaceCb min | 0.177 in | — |
| Maximum fillet radius of shaftra max | 1.5 mm | — |
| Maximum fillet radius of shaftra max | 0.059 in | — |
| Maximum fillet radius of housingrb max | 2.3 mm | — |
| Maximum fillet radius of housingrb max | 0.091 in | — |
| Product characteristics | ||
| Tolerance classABMA4 | Class 4 (ANSI/ABMA 19.2:2013) | — |
| Heat treatment | Standard | — |
| Internal design | Standard | — |
| Quality level | Standard | — |
| Number of rows1 | Single-row design | — |
| Product Identity | ||
| Construction | Tapered roller bearings K-Series, in inch sizes, separable | — |
| Short Description | Tapered roller bearing | — |
| Type Description | — | TS - Tapered Single |
| Number Of Rows | — | 1 |
| Tapered Bore | — | N |
| Technical Data | ||
| Bore Diameter (D) | 34.925 mm | — |
| Overall Width | — | 26.908 mm |
| Outside Diameter (D) | 73.025 mm | — |
| Radial Rating | — | 26,200 N |
| Width (B) | 23.813 mm | — |
| Axial Rating | — | 13,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | 66,000 N | — |
| Dynamic Rating C1 | — | 101,000 N |
| Basic Static Load Rating, Radial (C0R) | 77,000 N | — |
| Dynamic Rating C90 | — | 26,200 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | 13,000 N |
| Limiting Speed (Ng) | 10,300 1/min | — |
| Dynamic Axial Rating Ca1 | — | 50,100 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Static Radial Rating C0 | — | 97,400 N |
| Reference Speed (Nϑr) | 7,100 1/min | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 2.3 mm | — |
| Static Axial Rating C0A | — | 82,400 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 2.3 mm | — |
| Minimum Diameter Of Housing Shoulder (Da Min) | 63 mm | — |
| Minimum Diameter Of Housing Shoulder (Db Min) | 68 mm | — |
| Width, Outer Ring (C) | 19.05 mm | — |
| Fatigue Load Limit, Radial (Cur) | 9,600 N | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.29 | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 40.5 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 43 mm | — |
| Dynamic Axial Load Factor (Y) | 2.07 | — |
| Maximum Fillet Radius (Ra Max) | 1.5 mm | — |
| Minimum Axial Space (Cb Min) | 4.5 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 1.5 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 53.9 mm | — |
| Minimum Axial Space (Ca Min) | 4.5 mm | — |
| Width, Inner Ring (B) | 24.608 mm | — |
| Static Axial Load Factor (Y0) | 1.14 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 16 mm | — |
| Temperature range | ||
| Operating temperature min.Tmin | -30 °C | — |
| Operating temperature min.Tmin | -22 °F | — |
| Operating temperature max.Tmax | 120 °C | — |
| Operating temperature max.Tmax | 248 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.