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
“51426” across 3 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 | FAG51426-MP130 × 270 × 110 mm | NSK51426X130 × 270 × 110 mm | KOYO51426130 × 270 × 110 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | NSK | KOYO |
| Designation | 51426-MP | 51426X | 51426 |
| Product family | — | Axial deep groove ball bearing | Single direction / With flat back faces |
| Detailed type | Axial deep groove ball bearings | Axial deep groove ball bearings | Axial deep groove ball bearings |
| Series | 51426 | — | — |
| Bore diameterd | 130 mm | 130 mm | 130 mm |
| Outside diameterD | 270 mm | 270 mm | 270 mm |
| WidthB | 110 mm | 110 mm | 110 mm |
| Fatigue load limitPu | — | — | 49 kN |
| Reference speednref | 2650 r/min | — | — |
| Limiting speednG | 1030 r/min | — | 490 r/min |
| Mass≈m | 32.02 kg | 32.3 kg | 31.4 kg |
| Precision class | PN — Normal (ISO 492:2023) | — | — |
| Cage | MP — Solid brass cage, rolling element guided | — | — |
| Minimum operating temperatureTmin | -30 °C | — | — |
| Maximum operating temperatureTmax | 200 °C | — | — |
| Assembly boundary dimensions | |||
| Shaft-washer bore diameterd | — | 130 mm | — |
| Overall outside diameterD | — | 270 mm | — |
| Complete assembled heightT | — | 110 mm | — |
| Axial load ratings | |||
| Basic dynamic axial load ratingCa | — | 525000 N | — |
| Basic static axial load ratingC0a | — | 1590000 N | — |
| Calculation factors | |||
| Minimum load factorA | 16 | — | — |
| Capabilities & suitability | |||
| Axial load capacity in one direction | Yes | — | — |
| Suitable for grease lubrication | Yes | — | — |
| Suitable for oil lubrication | Yes | — | — |
| Unsealed design | Yes | — | — |
| Chamfers | |||
| Minimum housing-side chamferr min. | — | 4 mm | — |
| Classification | |||
| Official Category Path | — | — | Thrust ball bearings - Single direction - With flat back faces |
| Official Classification 1 | — | — | Thrust ball bearings / Single direction / With flat back faces |
| Component dimensions | |||
| Shaft washer outside diameterd1 | — | 265 mm | — |
| Housing washer bore diameterD1 | — | 134 mm | — |
| Construction | |||
| Axial load directions | — | One direction | — |
| Seat construction | — | Flat seat | — |
| Radial-load support | — | Not suitable for radial load; separate radial support required | — |
| Dimensions | |||
| Minimum chamfer dimensionrmin | 4 mm | — | — |
| Minimum chamfer dimensionrmin | 0.157 in | — | — |
| Inner diameter housing washerD1 | 134 mm | — | — |
| Inner diameter housing washerD1 | 5.276 in | — | — |
| Outer diameter shaft washerd1 | 265 mm | — | — |
| Outer diameter shaft washerd1 | 10.433 in | — | — |
| Lubrication-qualified speed | |||
| Limiting speed — grease | — | 530 r/min | — |
| Limiting speed — oil | — | 800 r/min | — |
| Main Dimensions & Performance Data | |||
| Inner diameter shaft washerd | 130 mm | — | — |
| Inner diameter shaft washerd | 5.118 in | — | — |
| Outer diameter housing washerD | 270 mm | — | — |
| Outer diameter housing washerD | 10.63 in | — | — |
| Basic dynamic load rating, axialCa | 560,000 N | — | — |
| Basic dynamic load rating, axialCa | 125,899.281 lbf | — | — |
| Basic static load rating, axialC0a | 1,750,000 N | — | — |
| Basic static load rating, axialC0a | 393,435.252 lbf | — | — |
| Fatigue load limit, axialCua | 57,000 N | — | — |
| Fatigue load limit, axialCua | 12,814.748 lbf | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 394698 | — | — |
| Official Class Key | — | — | 070-010-000 |
| Base Type | 51426 | — | — |
| Old Designation | ["51426M","51426MP"] | — | — |
| Gpsd Group | S03 | — | — |
| Product Line Id | 14 | — | — |
| X Life Marking | n.r. | — | — |
| SAP material number | 0579369860000 | — | — |
| Base product | 2305100101 | — | — |
| Bearing X designation | 51426-MP | — | — |
| Mounting Manager ID | 51426-MP | — | — |
| Grease application ID | 51426-MP | — | — |
| Mass reference | |||
| Approximate assembly mass | — | 32.3 kg | — |
| Mounting dimensions | |||
| Minimum shaft abutment diameterda min. | — | 212 mm | — |
| Maximum housing abutment diameterDa max. | — | 188 mm | — |
| Maximum housing-side fillet radiusra max. | — | 3 mm | — |
| Minimum diameter shaft shoulderda min | 214 mm | — | — |
| Minimum diameter shaft shoulderda min | 8.425 in | — | — |
| Maximum diameter of housing shoulderDa max | 186 mm | — | — |
| Maximum diameter of housing shoulderDa max | 7.323 in | — | — |
| Maximum filled radiusra max | 3 mm | — | — |
| Maximum filled radiusra max | 0.118 in | — | — |
| Product characteristics | |||
| Tolerance classPN | Normal (ISO 492:2023) | — | — |
| Dimensional / heat stabilizationS1 | Rings dimensional stabilized up to 200° | — | — |
| Product Identity | |||
| Construction | Axial deep groove ball bearing 514..-MP, single direction, solid brass cage | — | — |
| Short Description | Axial deep groove ball bearing | — | — |
| Technical Data | |||
| d | — | — | 270 mm |
| T | — | — | 110 mm |
| R(Min.) | — | — | 4 mm |
| Basic Load Ratings Ca | — | — | 623 kN |
| Bore Diameter (D) | 130 mm | — | — |
| Basic Load Ratings C0A | — | — | 1540 kN |
| Outside Diameter (D) | 270 mm | — | — |
| Fatigue Load Limit : Cu | — | — | 49 kN |
| Width (B) | 110 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | 490 min-1 |
| Basic Dynamic Load Rating, Axial (Ca) | 560,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | 750 min-1 |
| Basic Static Load Rating, Axial (C0A) | 1,750,000 N | — | — |
| D1(Max.) | — | — | 265 mm |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| D1(Min.) | — | — | 134 mm |
| Limiting Speed (Ng) | 1,030 1/min | — | — |
| D2 | — | — | - mm |
| Operating Temperature Max. (Tmax) | 200 °C | — | — |
| D3 | — | — | - mm |
| Reference Speed (Nϑr) | 2,650 1/min | — | — |
| A | — | — | - mm |
| Minimum Diameter Shaft Shoulder (Da Min) | 214 mm | — | — |
| R | — | — | - mm |
| Minimum Load Factor (A) | 16 | — | — |
| C | — | — | - mm |
| Rip Diameter Shaft Washer (D1) | 265 mm | — | — |
| Da(Min.) | — | — | 212 mm |
| Bore Diameter Housing Washer (D1) | 134 mm | — | — |
| Da(Max.) | — | — | 188 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 186 mm | — | — |
| Ra(Max.) | — | — | 3 mm |
| Minimum Chamfer Dimension (Rmin) | 4 mm | — | — |
| Mass(Refer.) | — | — | 31.4 kg |
| Maximum Fillet Radius (Ra Max) | 3 mm | — | — |
| Fatigue Load Limit, Axial (Cua) | 57,000 N | — | — |
| 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.