Cross-brand designation analysis
COMPARE / VERIFY
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 differ
“30248” 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 | FAG30248240 × 440 × 79 mm | KOYO30248R240 × 440 × 72 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | KOYO |
| Designation | 30248 | 30248R |
| Product family | — | Single-row / Metric series |
| Detailed type | Tapered roller bearings | Tapered roller bearings |
| Bore diameterd | 240 mm | 240 mm |
| Outside diameterD | 440 mm | 440 mm |
| WidthB | 79 mm | 72 mm |
| Basic dynamic load ratingC | 870 kN | 1540 kN |
| Basic static load ratingC0 | 1260 kN | 1790 kN |
| Fatigue load limitPu | 129 kN | 191 kN |
| Reference speednref | 1130 r/min | — |
| Limiting speednG | 1640 r/min | 730 r/min |
| Mass≈m | 45 kg | 49.5 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 | 0.36 | — |
| Dynamic axial load factorY | 1.68 | — |
| Static axial load factorY0 | 0.92 | — |
| 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 | 5 mm | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.197 in | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 4 mm | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.157 in | — |
| Distance between the apexes of the pressure conesa | 76 mm | — |
| Distance between the apexes of the pressure conesa | 2.992 in | — |
| Guidance rib diameter of inner ringd1 | 325 mm | — |
| Guidance rib diameter of inner ringd1 | 12.795 in | — |
| Main Dimensions & Performance Data | ||
| Width, inner ringB | 72 mm | — |
| Width, inner ringB | 2.835 in | — |
| Width, outer ringC | 60 mm | — |
| Width, outer ringC | 2.362 in | — |
| Width, totalT | 79 mm | — |
| Width, totalT | 3.11 in | — |
| Basic dynamic load rating, radialCr | 870,000 N | — |
| Basic dynamic load rating, radialCr | 195,593.525 lbf | — |
| Basic static load rating, radialC0r | 1,260,000 N | — |
| Basic static load rating, radialC0r | 283,273.381 lbf | — |
| Fatigue load limit, radialCur | 129,000 N | — |
| Fatigue load limit, radialCur | 29,001.799 lbf | — |
| Thermal speed ratingnϑr | 1,130 1/min | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 383358 | — |
| Official Class Key | — | 050-010-010 |
| Base Type | 30248 | — |
| Gpsd Group | F04 | — |
| Product Line Id | 70 | — |
| X Life Marking | n.r. | — |
| SAP material number | 0382062340000 | — |
| Base product | 2305091001 | — |
| Bearing X designation | 30248 | — |
| Mounting Manager ID | 30248 | — |
| Grease application ID | 30248 | — |
| Mounting dimensions | ||
| Maximum diameter of shaft shoulderda max | 285 mm | — |
| Maximum diameter of shaft shoulderda max | 11.22 in | — |
| Minimum diameter of shaft shoulderdb min | 257 mm | — |
| Minimum diameter of shaft shoulderdb min | 10.118 in | — |
| Minimum diameter of housing shoulderDa min | 383 mm | — |
| Minimum diameter of housing shoulderDa min | 15.079 in | — |
| Maximum diameter of housing shoulderDa max | 420 mm | — |
| Maximum diameter of housing shoulderDa max | 16.535 in | — |
| Minimum diameter of housing shoulderDb min | 410 mm | — |
| Minimum diameter of housing shoulderDb min | 16.142 in | — |
| Minimum axial spaceCa min | 10 mm | — |
| Minimum axial spaceCa min | 0.394 in | — |
| Minimum axial spaceCb min | 19 mm | — |
| Minimum axial spaceCb min | 0.748 in | — |
| Maximum fillet radius of shaftra max | 5 mm | — |
| Maximum fillet radius of shaftra max | 0.197 in | — |
| Maximum fillet radius of housingrb max | 4 mm | — |
| Maximum fillet radius of housingrb max | 0.157 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 302, main dimensions acc. to DIN 720, separable | — |
| Short Description | Tapered roller bearing | — |
| Technical Data | ||
| d | — | 440 mm |
| T | — | 79 mm |
| B | — | 72 mm |
| Bore Diameter (D) | 240 mm | — |
| C | — | 60 mm |
| Outside Diameter (D) | 440 mm | — |
| R(Min.) | — | 5 mm |
| Width (B) | 79 mm | — |
| R1(Min.) | — | 4 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 870,000 N | — |
| Basic Load Ratings : Cr | — | 1540 kN |
| Basic Static Load Rating, Radial (C0R) | 1,260,000 N | — |
| Basic Load Ratings : C0R | — | 1790 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Fatigue Load Limit : Cu | — | 191 kN |
| Limiting Speed (Ng) | 1,640 1/min | — |
| Limiting Speeds(Grease Lub.) | — | 730 min-1 |
| Operating Temperature Max. (Tmax) | 200 °C | — |
| Limiting Speeds(Oil Lub.) | — | 980 min-1 |
| Reference Speed (Nϑr) | 1,130 1/min | — |
| Load Center Spread : A | — | 82.7 mm |
| Maximum Fillet Radius Of Housing (Rb Max) | 4 mm | — |
| Constant E | — | 0.42 |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 4 mm | — |
| Axial Load Factors : Y1 | — | 1.43 |
| Minimum Diameter Of Housing Shoulder (Da Min) | 383 mm | — |
| Axial Load Factors : Y0 | — | 0.79 |
| Minimum Diameter Of Housing Shoulder (Db Min) | 410 mm | — |
| Da(Min.) | — | 377 mm |
| Width, Outer Ring (C) | 60 mm | — |
| Db(Max.) | — | 287 mm |
| Fatigue Load Limit, Radial (Cur) | 129,000 N | — |
| Da(Max.) | — | 422 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.36 | — |
| Db(Min.) | — | 409 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 285 mm | — |
| Sa(Min.) | — | 14 mm |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 257 mm | — |
| Sb(Min.) | — | 18 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 420 mm | — |
| Ra(Max.) | — | 4 mm |
| Dynamic Axial Load Factor (Y) | 1.68 | — |
| Rb(Max.) | — | 3 mm |
| Maximum Fillet Radius (Ra Max) | 5 mm | — |
| Mass(Refer.) | — | 49.5 kg |
| Minimum Axial Space (Cb Min) | 19 mm | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 5 mm | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 325 mm | — |
| Minimum Axial Space (Ca Min) | 10 mm | — |
| Width, Inner Ring (B) | 72 mm | — |
| Static Axial Load Factor (Y0) | 0.92 | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 76 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.