Cross-brand designation analysis
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Designation candidates
“54308” across 2 loaded brands
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Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAG5430830 × 78 × 54 mm | NSK5430830 × 78 × 54 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | NSK |
| Designation | 54308 | 54308 |
| Product family | — | Axial deep groove ball bearing |
| Detailed type | Axial deep groove ball bearings | Axial deep groove ball bearings |
| Bore diameterd | 30 mm | 30 mm |
| Outside diameterD | 78 mm | 78 mm |
| WidthB | 54 mm | 54 mm |
| Reference speednref | 7200 r/min | — |
| Limiting speednG | 4250 r/min | — |
| Mass≈m | 1.1 kg | 1.13 kg |
| Precision class | PN — Normal (ISO 492:2023) | — |
| Cage | JP — Steel sheet metal | — |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 150 °C | — |
| Additional information | ||
| Seat washer | U308 | — |
| Aligning-seat geometry | ||
| Aligning-seat geometric referenceA1 | — | 23.5 mm |
| Spherical seat radiusR | — | 64 mm |
| Assembly boundary dimensions | ||
| Shaft-washer bore diameterd2 | — | 30 mm |
| Overall outside diameterD | — | 78 mm |
| Complete assembled heightT5 | — | 54 mm |
| Axial load ratings | ||
| Basic dynamic axial load ratingCa | — | 70000 N |
| Basic static axial load ratingC0a | — | 135000 N |
| Calculation factors | ||
| Minimum load factorA | 0.081 | — |
| Capabilities & suitability | ||
| Axial load capacity in one direction | Yes | — |
| Axial load capacity in both directions | Yes | — |
| Suitable for grease lubrication | Yes | — |
| Suitable for oil lubrication | Yes | — |
| Unsealed design | Yes | — |
| Staticangularerrorandmisalignment | Yes | — |
| Chamfers | ||
| Minimum housing-side chamferr min. | — | 1 mm |
| Minimum shaft-side chamferr1 min. | — | 0.6 mm |
| Component dimensions | ||
| Central shaft washer outside diameterd3 | — | 78 mm |
| Housing washer bore diameterD1 | — | 42 mm |
| Adjacent shaft diameter shown in the catalogue drawing — not the bored | — | 40 mm |
| Central shaft washer thicknessB | — | 12 mm |
| Partial axial height in the assembly drawingT6 | — | 33 mm |
| Construction | ||
| Axial load directions | — | Both directions |
| Seat construction | — | Aligning seat |
| Radial-load support | — | Not suitable for radial load; separate radial support required |
| Dimensions | ||
| Inner diameter housing washerD1 | 42 mm | — |
| Inner diameter housing washerD1 | 1.654 in | — |
| Height shaft washerB | 12 mm | — |
| Height shaft washerB | 0.472 in | — |
| Minimum chamfer dimensionrmin | 1 mm | — |
| Minimum chamfer dimensionrmin | 0.039 in | — |
| Minimum chamfer dimensionr1 min | 0.6 mm | — |
| Minimum chamfer dimensionr1 min | 0.024 in | — |
| Radius spherical housing washerR | 64 mm | — |
| Radius spherical housing washerR | 2.52 in | — |
| Distance of the center pointA | 23.5 mm | — |
| Distance of the center pointA | 0.925 in | — |
| Height with seat washerT3 | 59 mm | — |
| Height with seat washerT3 | 2.323 in | — |
| Lubrication-qualified speed | ||
| Limiting speed — grease | — | 2000 r/min |
| Limiting speed — oil | — | 3000 r/min |
| Main Dimensions & Performance Data | ||
| Inner diameter shaft washerd | 30 mm | — |
| Inner diameter shaft washerd | 1.181 in | — |
| Outer diameter housing washerD | 78 mm | — |
| Outer diameter housing washerD | 3.071 in | — |
| Basic dynamic load rating, axialCa | 61,000 N | — |
| Basic dynamic load rating, axialCa | 13,714.029 lbf | — |
| Basic static load rating, axialC0a | 112,000 N | — |
| Basic static load rating, axialC0a | 25,179.856 lbf | — |
| Fatigue load limit, axialCua | 5,100 N | — |
| Fatigue load limit, axialCua | 1,146.583 lbf | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 1750373 | — |
| Base Type | 54308 | — |
| Product Line Id | 14 | — |
| X Life Marking | n.r. | — |
| Base product | 2305100102 | — |
| Bearing X designation | 54308 | — |
| Mounting Manager ID | 54308 | — |
| Grease application ID | 54308 | — |
| Mass reference | ||
| Approximate assembly mass | — | 1.13 kg |
| Mounting dimensions | ||
| Maximum housing abutment diameterDa max. | — | 60 mm |
| Maximum housing-side fillet radiusra max. | — | 1 mm |
| Maximum shaft-side fillet radiusrb max. | — | 0.6 mm |
| Maximum diameter shaft shoulderda max | 40 mm | — |
| Maximum diameter shaft shoulderda max | 1.575 in | — |
| Maximum diameter of housing shoulderDa max | 60 mm | — |
| Maximum diameter of housing shoulderDa max | 2.362 in | — |
| Maximum filled radiusra max | 1 mm | — |
| Maximum filled radiusra max | 0.039 in | — |
| Maximum filled radiusra1 max | 0.6 mm | — |
| Maximum filled radiusra1 max | 0.024 in | — |
| Product characteristics | ||
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Product Identity | ||
| Construction | Axial deep groove ball bearing 543, double direction, with spherical housing washer, steel sheet metal cage | — |
| Short Description | Axial deep groove ball bearing | — |
| Technical Data | ||
| Inner Diameter Shaft Washer (D) | 30 mm | — |
| Outside Diameter (D) | 78 mm | — |
| Height (T2) | 54 mm | — |
| Basic Dynamic Load Rating, Axial (Ca) | 61,000 N | — |
| Basic Static Load Rating, Axial (C0A) | 112,000 N | — |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Limiting Speed (Ng) | 4,250 1/min | — |
| Operating Temperature Max. (Tmax) | 150 °C | — |
| Reference Speed (Nϑr) | 7,200 1/min | — |
| Height Shaft Washer (B) | 12 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 40 mm | — |
| Minimum Load Factor (A) | 0.081 | — |
| Distance Of The Center Point (A) | 23.5 mm | — |
| Height With Seat Washer (T3) | 59 mm | — |
| Bore Diameter Housing Washer (D1) | 42 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 60 mm | — |
| Minimum Chamfer Dimension (Rmin) | 1 mm | — |
| Maximum Fillet Radius (Ra Max) | 1 mm | — |
| Maximum Recess Radius (Ra1 Max) | 0.6 mm | — |
| Radius Spherical Housing Washer (R) | 64 mm | — |
| Minimum Chamfer Dimension (R1 Min) | 0.6 mm | — |
| Fatigue Load Limit, Axial (Cua) | 5,100 N | — |
| Temperature range | ||
| Operating temperature min.Tmin | -30 °C | — |
| Operating temperature min.Tmin | -22 °F | — |
| Operating temperature max.Tmax | 150 °C | — |
| Operating temperature max.Tmax | 302 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.