Cross-brand designation analysis
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You entered 51334-MP. This table explores the base group 51334; it does not preserve or approve every requested suffix. Search your complete marking first →
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“51334” 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 | FAG51334-MP170 × 280 × 87 mm | NSK51334X170 × 280 × 87 mm | KOYO51334170 × 280 × 87 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | NSK | KOYO |
| Designation | 51334-MP | 51334X | 51334 |
| 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 | 51334 | — | — |
| Bore diameterd | 170 mm | 170 mm | 170 mm |
| Outside diameterD | 280 mm | 280 mm | 280 mm |
| WidthB | 87 mm | 87 mm | 87 mm |
| Fatigue load limitPu | — | — | 47.4 kN |
| Reference speednref | 2170 r/min | — | — |
| Limiting speednG | 1220 r/min | — | 520 r/min |
| Mass≈m | 21.511 kg | 20.3 kg | 22 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 | — | 170 mm | — |
| Overall outside diameterD | — | 280 mm | — |
| Complete assembled heightT | — | 87 mm | — |
| Axial load ratings | |||
| Basic dynamic axial load ratingCa | — | 465000 N | — |
| Basic static axial load ratingC0a | — | 1570000 N | — |
| Calculation factors | |||
| Minimum load factorA | 13 | — | — |
| 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. | — | 3 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 | — | 275 mm | — |
| Housing washer bore diameterD1 | — | 174 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 | 3 mm | — | — |
| Minimum chamfer dimensionrmin | 0.118 in | — | — |
| Inner diameter housing washerD1 | 174 mm | — | — |
| Inner diameter housing washerD1 | 6.85 in | — | — |
| Outer diameter shaft washerd1 | 275 mm | — | — |
| Outer diameter shaft washerd1 | 10.827 in | — | — |
| Lubrication-qualified speed | |||
| Limiting speed — grease | — | 600 r/min | — |
| Limiting speed — oil | — | 900 r/min | — |
| Main Dimensions & Performance Data | |||
| Inner diameter shaft washerd | 170 mm | — | — |
| Inner diameter shaft washerd | 6.693 in | — | — |
| Outer diameter housing washerD | 280 mm | — | — |
| Outer diameter housing washerD | 11.024 in | — | — |
| Basic dynamic load rating, axialCa | 440,000 N | — | — |
| Basic dynamic load rating, axialCa | 98,920.863 lbf | — | — |
| Basic static load rating, axialC0a | 1,560,000 N | — | — |
| Basic static load rating, axialC0a | 350,719.424 lbf | — | — |
| Fatigue load limit, axialCua | 47,500 N | — | — |
| Fatigue load limit, axialCua | 10,678.957 lbf | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 394656 | — | — |
| Official Class Key | — | — | 070-010-000 |
| Base Type | 51334 | — | — |
| Old Designation | ["51334M","51334MP"] | — | — |
| Gpsd Group | S02 | — | — |
| Product Line Id | 14 | — | — |
| SAP material number | 0190628180000 | — | — |
| Base product | 2305100101 | — | — |
| Bearing X designation | 51334-MP | — | — |
| Mounting Manager ID | 51334-MP | — | — |
| Grease application ID | 51334-MP | — | — |
| Mass reference | |||
| Approximate assembly mass | — | 20.3 kg | — |
| Mounting dimensions | |||
| Minimum shaft abutment diameterda min. | — | 235 mm | — |
| Maximum housing abutment diameterDa max. | — | 215 mm | — |
| Maximum housing-side fillet radiusra max. | — | 2.5 mm | — |
| Minimum diameter shaft shoulderda min | 236 mm | — | — |
| Minimum diameter shaft shoulderda min | 9.291 in | — | — |
| Maximum diameter of housing shoulderDa max | 214 mm | — | — |
| Maximum diameter of housing shoulderDa max | 8.425 in | — | — |
| Maximum filled radiusra max | 2.5 mm | — | — |
| Maximum filled radiusra max | 0.098 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 513..-MP, single direction, solid brass cage | — | — |
| Short Description | Axial deep groove ball bearing | — | — |
| Technical Data | |||
| d | — | — | 280 mm |
| T | — | — | 87 mm |
| R(Min.) | — | — | 3 mm |
| Bore Diameter (D) | 170 mm | — | — |
| Basic Load Ratings Ca | — | — | 579 kN |
| Outside Diameter (D) | 280 mm | — | — |
| Basic Load Ratings C0A | — | — | 1570 kN |
| Width (B) | 87 mm | — | — |
| Fatigue Load Limit : Cu | — | — | 47.4 kN |
| Basic Dynamic Load Rating, Axial (Ca) | 440,000 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | 520 min-1 |
| Basic Static Load Rating, Axial (C0A) | 1,560,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | 800 min-1 |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| D1(Max.) | — | — | 275 mm |
| Limiting Speed (Ng) | 1,220 1/min | — | — |
| D1(Min.) | — | — | 174 mm |
| Operating Temperature Max. (Tmax) | 200 °C | — | — |
| D2 | — | — | - mm |
| Reference Speed (Nϑr) | 2,170 1/min | — | — |
| D3 | — | — | - mm |
| Minimum Diameter Shaft Shoulder (Da Min) | 236 mm | — | — |
| A | — | — | - mm |
| Minimum Load Factor (A) | 13 | — | — |
| R | — | — | - mm |
| Rip Diameter Shaft Washer (D1) | 275 mm | — | — |
| C | — | — | - mm |
| Bore Diameter Housing Washer (D1) | 174 mm | — | — |
| Da(Min.) | — | — | 235 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 214 mm | — | — |
| Da(Max.) | — | — | 215 mm |
| Minimum Chamfer Dimension (Rmin) | 3 mm | — | — |
| Ra(Max.) | — | — | 2.5 mm |
| Maximum Fillet Radius (Ra Max) | 2.5 mm | — | — |
| Mass(Refer.) | — | — | 22 kg |
| Fatigue Load Limit, Axial (Cua) | 47,500 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.