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.
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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 differ
“30338” 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 | FAG30338190 × 400 × 86 mm | KOYO30338190 × 400 × 78 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | KOYO |
| Designation | 30338 | 30338 |
| Product family | — | Single-row / Metric series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Bore diameterd | 190 mm | 190 mm |
| Outside diameterD | 400 mm | 400 mm |
| WidthB | 86 mm | 78 mm |
| Basic dynamic load ratingC | 1210 kN | 1260 kN |
| Basic static load ratingC0 | 1600 kN | 1250 kN |
| Fatigue load limitPu | 143 kN | 139 kN |
| Reference speednref | 1180 r/min | — |
| Limiting speednG | 1800 r/min | 880 r/min |
| Mass≈m | 46.7 kg | 46.2 kg |
| Precision class | PN — Normal (ISO 492:2023) | — |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | — |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 200 °C | — |
| Calculation factors | ||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.35 | — |
| Dynamic axial load factorY | 1.74 | — |
| Static axial load factorY0 | 0.96 | — |
| 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 | — |
| Largebearing | Yes | — |
| Classification | ||
| Official Category Path | — | Tapered roller bearings - Single-row - Metric series |
| Official Classification 1 | — | Tapered roller bearings / Single-row / Metric series |
| Dimensions | ||
| Minimum chamfer dimension of inner ring back facer1, 2 min | 6 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.236 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 5 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.197 in | — |
| Distance between the apexes of the pressure conesa | 72 mm | — |
| Distance between the apexes of the pressure conesa | 2.835 in | — |
| Guidance rib diameter of inner ringd1 | 279 mm | — |
| Guidance rib diameter of inner ringd1 | 10.984 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 78 mm | — |
| Width, inner ringB | 3.071 in | — |
| Width, outer ringC | 65 mm | — |
| Width, outer ringC | 2.559 in | — |
| Width, totalT | 86 mm | — |
| Width, totalT | 3.386 in | — |
| Basic dynamic load rating, radialCr | 1,210,000 N | — |
| Basic dynamic load rating, radialCr | 272,032.374 lbf | — |
| Basic static load rating, radialC0r | 1,600,000 N | — |
| Basic static load rating, radialC0r | 359,712.23 lbf | — |
| Fatigue load limit, radialCur | 143,000 N | — |
| Fatigue load limit, radialCur | 32,149.281 lbf | — |
| Thermal speed ratingnϑr | 1,180 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 1756940 | — |
| Official Class Key | — | 050-010-010 |
| Base Type | 30338 | — |
| Product Line Id | 70 | — |
| Base product | 2305091001 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 240 mm | — |
| Maximum diameter of shaft shoulderda max | 9.449 in | — |
| Minimum diameter of shaft shoulderdb min | 210 mm | — |
| Minimum diameter of shaft shoulderdb min | 8.268 in | — |
| Minimum diameter of housing shoulderDa min | 341 mm | — |
| Minimum diameter of housing shoulderDa min | 13.425 in | — |
| Maximum diameter of housing shoulderDa max | 378 mm | — |
| Maximum diameter of housing shoulderDa max | 14.882 in | — |
| Minimum diameter of housing shoulderDb min | 364 mm | — |
| Minimum diameter of housing shoulderDb min | 14.331 in | — |
| Minimum axial spaceCa min | 10 mm | — |
| Minimum axial spaceCa min | 0.394 in | — |
| Minimum axial spaceCb min | 21 mm | — |
| Minimum axial spaceCb min | 0.827 in | — |
| Maximum fillet radius of shaftra max | 6 mm | — |
| Maximum fillet radius of shaftra max | 0.236 in | — |
| Maximum fillet radius of housingrb max | 5 mm | — |
| Maximum fillet radius of housingrb max | 0.197 in | — |
| Product characteristics | ||
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Heat treatment | Standard | — |
| Internal design | Standard | — |
| Quality level | Standard | — |
| Number of rows1 | Single-row design | — |
| Product Identity | ||
| Construction | Tapered roller bearings 303, main dimensions acc. to DIN 720, separable | — |
| Short Description | Tapered roller bearing | — |
| Technical Data | ||
| d | — | 400 mm |
| Bore Diameter (D) | 190 mm | — |
| T | — | 86 mm |
| Outside Diameter (D) | 400 mm | — |
| B | — | 78 mm |
| Width (B) | 86 mm | — |
| C | — | 65 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 1,210,000 N | — |
| R(Min.) | — | 6 mm |
| Basic Static Load Rating, Radial (C0R) | 1,600,000 N | — |
| R1(Min.) | — | 5 mm |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Basic Load Ratings : Cr | — | 1260 kN |
| Limiting Speed (Ng) | 1,800 1/min | — |
| Basic Load Ratings : C0R | — | 1250 kN |
| Operating Temperature Max. (Tmax) | 200 °C | — |
| Fatigue Load Limit : Cu | — | 139 kN |
| Reference Speed (Nϑr) | 1,180 1/min | — |
| Limiting Speeds(Grease Lub.) | — | 880 min-1 |
| Maximum Fillet Radius Of Housing (Rb Max) | 5 mm | — |
| Limiting Speeds(Oil Lub.) | — | 1200 min-1 |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 5 mm | — |
| Load Center Spread : A | — | 73.2 mm |
| Minimum Diameter Of Housing Shoulder (Da Min) | 341 mm | — |
| Constant E | — | 0.35 |
| Minimum Diameter Of Housing Shoulder (Db Min) | 364 mm | — |
| Axial Load Factors : Y1 | — | 1.73 |
| Width, Outer Ring (C) | 65 mm | — |
| Axial Load Factors : Y0 | — | 0.95 |
| Fatigue Load Limit, Radial (Cur) | 143,000 N | — |
| Da(Min.) | — | 342 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.35 | — |
| Db(Max.) | — | 241 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 240 mm | — |
| Da(Max.) | — | 378 mm |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 210 mm | — |
| Db(Min.) | — | 370 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 378 mm | — |
| Sa(Min.) | — | 10 mm |
| Dynamic Axial Load Factor (Y) | 1.74 | — |
| Sb(Min.) | — | 20 mm |
| Maximum Fillet Radius (Ra Max) | 6 mm | — |
| Ra(Max.) | — | 5 mm |
| Minimum Axial Space (Cb Min) | 21 mm | — |
| Rb(Max.) | — | 4 mm |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 6 mm | — |
| Mass(Refer.) | — | 46.2 kg |
| Guidance Rib Diameter Of Inner Ring (D1) | 279 mm | — |
| Minimum Axial Space (Ca Min) | 10 mm | — |
| Width, Inner Ring (B) | 78 mm | — |
| Static Axial Load Factor (Y0) | 0.96 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 72 mm | — |
| Temperature range | ||
| Operating temperature min.Tmin | -30 °C | — |
| Operating temperature min.Tmin | -22 °F | — |
| Operating temperature max.Tmax | 200 °C | — |
| Operating temperature max.Tmax | 392 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.