Cross-brand designation analysis
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You entered K9278-K9220. This table explores the base group K9278; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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Dimensions differ
“K9278” across 2 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAGK9278-922068.263 × 161.925 × 49.212 mm | TIMKENK9278 / K922068.262 × 161.925 × 49.213 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | TIMKEN |
| Designation | K9278-9220 | K9278 / K9220 |
| Product family | — | TS - Tapered Single |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Series | — | 9200 |
| Bore diameterd | 68.263 mm | 68.262 mm |
| Outside diameterD | 161.925 mm | 161.925 mm |
| WidthB | 49.212 mm | 49.213 mm |
| Basic dynamic load ratingC | 255 kN | 353 kN |
| Basic static load ratingC0 | 300 kN | 330 kN |
| Fatigue load limitPu | 35 kN | — |
| Reference speednref | 4000 r/min | — |
| Limiting speednG | 4350 r/min | — |
| Mass≈m | 4.6 kg | 4.52 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 | — | 0.82 |
| Y1 Factor | — | 0.85 |
| Y2 Factor | — | -1.00 |
| Y0 Factor | — | 0.47 |
| E Factor | — | 0.71 |
| Cg Factor | — | 0.0925 |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.71 | — |
| Dynamic axial load factorY | 0.85 | — |
| Static axial load factorY0 | 0.47 | — |
| 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 | 3.6 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.142 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 3.3 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.13 in | — |
| Distance between the apexes of the pressure conesa | 50 mm | — |
| Distance between the apexes of the pressure conesa | 1.969 in | — |
| Guidance rib diameter of inner ringd1 | 115.9 mm | — |
| Guidance rib diameter of inner ringd1 | 4.563 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 46.038 mm | — |
| Width, inner ringB | 1.813 in | — |
| Width, outer ringC | 31.75 mm | — |
| Width, outer ringC | 1.25 in | — |
| Width, totalT | 49.212 mm | — |
| Width, totalT | 1.937 in | — |
| Basic dynamic load rating, radialCr | 255,000 N | — |
| Basic dynamic load rating, radialCr | 57,329.137 lbf | — |
| Basic static load rating, radialC0r | 300,000 N | — |
| Basic static load rating, radialC0r | 67,446.043 lbf | — |
| Fatigue load limit, radialCur | 35,000 N | — |
| Fatigue load limit, radialCur | 7,868.705 lbf | — |
| Thermal speed ratingnϑr | 4,000 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 2267364 | — |
| Material Number | — | 190036619190036618 |
| Base Type | K9278-9220 | — |
| World Assembly Part Number | — | K9278 / K9220 |
| Product Line Id | 64 | — |
| Inner Ring Part Number | — | K9278 |
| Outer Ring Part Number | — | K9220 |
| Official Source System | — | TS_PREPAIR |
| Official Last Run | — | 2026-08-23T00:00:00 |
| Base product | 2305091001 | — |
| Bearing X designation | K9278-9220 | — |
| Mounting Manager ID | K9278-9220 | — |
| Grease application ID | K9278-9220 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 89 mm | — |
| Maximum diameter of shaft shoulderda max | 3.504 in | — |
| Minimum diameter of shaft shoulderdb min | 106 mm | — |
| Minimum diameter of shaft shoulderdb min | 4.173 in | — |
| Minimum diameter of housing shoulderDa min | 138 mm | — |
| Minimum diameter of housing shoulderDa min | 5.433 in | — |
| Maximum diameter of housing shoulderDa max | 151 mm | — |
| Maximum diameter of housing shoulderDa max | 5.945 in | — |
| Minimum diameter of housing shoulderDb min | 153 mm | — |
| Minimum diameter of housing shoulderDb min | 6.024 in | — |
| Minimum axial spaceCa min | 5 mm | — |
| Minimum axial spaceCa min | 0.197 in | — |
| Minimum axial spaceCb min | 13 mm | — |
| Minimum axial spaceCb min | 0.512 in | — |
| Maximum fillet radius of shaftra max | 3.6 mm | — |
| Maximum fillet radius of shaftra max | 0.142 in | — |
| Maximum fillet radius of housingrb max | 3.3 mm | — |
| Maximum fillet radius of housingrb max | 0.13 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) | 68.263 mm | — |
| Overall Width | — | 50.638 mm |
| Outside Diameter (D) | 161.925 mm | — |
| Radial Rating | — | 91,400 N |
| Width (B) | 49.212 mm | — |
| Axial Rating | — | 111,000 N |
| Basic Dynamic Load Rating, Radial (Cr) | 255,000 N | — |
| Dynamic Rating C1 | — | 353,000 N |
| Basic Static Load Rating, Radial (C0R) | 300,000 N | — |
| Dynamic Rating C90 | — | 91,400 N |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Dynamic Axial Rating Ca90 | — | 111,000 N |
| Limiting Speed (Ng) | 4,350 1/min | — |
| Dynamic Axial Rating Ca1 | — | 428,000 N |
| Operating Temperature Max. (Tmax) | 120 °C | — |
| Static Radial Rating C0 | — | 330,000 N |
| Reference Speed (Nϑr) | 4,000 1/min | — |
| Extended Dynamic Rating Ce | — | 0 N |
| Maximum Fillet Radius Of Housing (Rb Max) | 3.3 mm | — |
| Static Axial Rating C0A | — | 682,000 N |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 3.3 mm | — |
| Minimum Diameter Of Housing Shoulder (Da Min) | 138 mm | — |
| Minimum Diameter Of Housing Shoulder (Db Min) | 153 mm | — |
| Width, Outer Ring (C) | 31.75 mm | — |
| Fatigue Load Limit, Radial (Cur) | 35,000 N | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.71 | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 89 mm | — |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 106 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 151 mm | — |
| Dynamic Axial Load Factor (Y) | 0.85 | — |
| Maximum Fillet Radius (Ra Max) | 3.6 mm | — |
| Minimum Axial Space (Cb Min) | 13 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 3.6 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 115.9 mm | — |
| Minimum Axial Space (Ca Min) | 5 mm | — |
| Width, Inner Ring (B) | 46.038 mm | — |
| Static Axial Load Factor (Y0) | 0.47 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 50 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.