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
“51272” 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 | FAG51272-MP360 × 500 × 110 mm | NSK51272X360 × 500 × 110 mm | KOYO51272360 × 500 × 110 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | NSK | KOYO |
| Designation | 51272-MP | 51272X | 51272 |
| 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 | 51272 | — | — |
| Bore diameterd | 360 mm | 360 mm | 360 mm |
| Outside diameterD | 500 mm | 500 mm | 500 mm |
| WidthB | 110 mm | 110 mm | 110 mm |
| Fatigue load limitPu | — | — | 76.1 kN |
| Reference speednref | 930 r/min | — | — |
| Limiting speednG | 820 r/min | — | 340 r/min |
| Mass≈m | 68.1 kg | 68.8 kg | 70 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 | — | 360 mm | — |
| Overall outside diameterD | — | 500 mm | — |
| Complete assembled heightT | — | 110 mm | — |
| Axial load ratings | |||
| Basic dynamic axial load ratingCa | — | 705000 N | — |
| Basic static axial load ratingC0a | — | 3500000 N | — |
| Calculation factors | |||
| Minimum load factorA | 72 | — | — |
| Capabilities & suitability | |||
| Axial load capacity in one direction | Yes | — | — |
| Suitable for grease lubrication | Yes | — | — |
| Suitable for oil lubrication | Yes | — | — |
| Unsealed design | Yes | — | — |
| Largebearing | 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 | — | 495 mm | — |
| Housing washer bore diameterD1 | — | 365 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 | 365 mm | — | — |
| Inner diameter housing washerD1 | 14.37 in | — | — |
| Outer diameter shaft washerd1 | 495 mm | — | — |
| Outer diameter shaft washerd1 | 19.488 in | — | — |
| Lubrication-qualified speed | |||
| Limiting speed — grease | — | 380 r/min | — |
| Limiting speed — oil | — | 560 r/min | — |
| Main Dimensions & Performance Data | |||
| Inner diameter shaft washerd | 360 mm | — | — |
| Inner diameter shaft washerd | 14.173 in | — | — |
| Outer diameter housing washerD | 500 mm | — | — |
| Outer diameter housing washerD | 19.685 in | — | — |
| Basic dynamic load rating, axialCa | 720,000 N | — | — |
| Basic dynamic load rating, axialCa | 161,870.504 lbf | — | — |
| Basic static load rating, axialC0a | 3,650,000 N | — | — |
| Basic static load rating, axialC0a | 820,593.525 lbf | — | — |
| Fatigue load limit, axialCua | 81,000 N | — | — |
| Fatigue load limit, axialCua | 18,210.432 lbf | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 394605 | — | — |
| Official Class Key | — | — | 070-010-000 |
| Base Type | 51272 | — | — |
| Old Designation | ["51272-M","51272MP"] | — | — |
| Gpsd Group | S02 | — | — |
| Product Line Id | 14 | — | — |
| X Life Marking | n.r. | — | — |
| SAP material number | 0389693430000 | — | — |
| Base product | 2305100101 | — | — |
| Bearing X designation | 51272-MP | — | — |
| Mounting Manager ID | 51272-MP | — | — |
| Grease application ID | 51272-MP | — | — |
| Mass reference | |||
| Approximate assembly mass | — | 68.8 kg | — |
| Mounting dimensions | |||
| Minimum shaft abutment diameterda min. | — | 442 mm | — |
| Maximum housing abutment diameterDa max. | — | 418 mm | — |
| Maximum housing-side fillet radiusra max. | — | 3 mm | — |
| Minimum diameter shaft shoulderda min | 444 mm | — | — |
| Minimum diameter shaft shoulderda min | 17.48 in | — | — |
| Maximum diameter of housing shoulderDa max | 416 mm | — | — |
| Maximum diameter of housing shoulderDa max | 16.378 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 512..-MP, single direction, solid brass cage | — | — |
| Short Description | Axial deep groove ball bearing | — | — |
| Technical Data | |||
| d | — | — | 500 mm |
| T | — | — | 110 mm |
| R(Min.) | — | — | 4 mm |
| Basic Load Ratings Ca | — | — | 876 kN |
| Bore Diameter (D) | 360 mm | — | — |
| Basic Load Ratings C0A | — | — | 3500 kN |
| Outside Diameter (D) | 500 mm | — | — |
| Fatigue Load Limit : Cu | — | — | 76.1 kN |
| Width (B) | 110 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | 340 min-1 |
| Basic Dynamic Load Rating, Axial (Ca) | 720,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | 500 min-1 |
| Basic Static Load Rating, Axial (C0A) | 3,650,000 N | — | — |
| D1(Max.) | — | — | 495 mm |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| D1(Min.) | — | — | 365 mm |
| Limiting Speed (Ng) | 820 1/min | — | — |
| D2 | — | — | - mm |
| Operating Temperature Max. (Tmax) | 200 °C | — | — |
| D3 | — | — | - mm |
| Reference Speed (Nϑr) | 930 1/min | — | — |
| A | — | — | - mm |
| Minimum Diameter Shaft Shoulder (Da Min) | 444 mm | — | — |
| R | — | — | - mm |
| Minimum Load Factor (A) | 72 | — | — |
| C | — | — | - mm |
| Rip Diameter Shaft Washer (D1) | 495 mm | — | — |
| Da(Min.) | — | — | 443 mm |
| Bore Diameter Housing Washer (D1) | 365 mm | — | — |
| Da(Max.) | — | — | 417 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 416 mm | — | — |
| Ra(Max.) | — | — | 3 mm |
| Minimum Chamfer Dimension (Rmin) | 4 mm | — | — |
| Mass(Refer.) | — | — | 70 kg |
| Maximum Fillet Radius (Ra Max) | 3 mm | — | — |
| Fatigue Load Limit, Axial (Cua) | 81,000 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.