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
“6256” across 2 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 | FAG6256-M280 × 500 × 80 mm | KOYO6256280 × 500 × 80 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | FAG | KOYO |
| Designation | 6256-M | 6256 |
| Product family | — | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Series | 6256 | — |
| Bore diameterd | 280 mm | 280 mm |
| Outside diameterD | 500 mm | 500 mm |
| WidthB | 80 mm | 80 mm |
| Basic dynamic load ratingC | 425 kN | 529 kN |
| Basic static load ratingC0 | 600 kN | 599 kN |
| Fatigue load limitPu | 20.9 kN | 23.2 kN |
| Reference speednref | 1690 r/min | — |
| Limiting speednG | 2250 r/min | 1000 r/min |
| Mass≈m | 72.9 kg | 71.8 kg |
| Precision class | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN (Group N) — Normal internal clearance | — |
| Sealing | Without — Not sealed | Open |
| Cage | M — Solid brass cage, rolling element guided | — |
| Lubricant | Without — Bearing not greased | — |
| Minimum operating temperatureTmin | -30 °C | — |
| Maximum operating temperatureTmax | 200 °C | — |
| Calculation factors | ||
| Calculation factorf0 | 15.3 | — |
| Capabilities & suitability | ||
| Radial load capacity | Yes | — |
| 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 | — |
| Largebearing | Yes | — |
| Classification | ||
| Official Category Path | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | Deep groove ball bearings / Single-row / Open type |
| Dimensions | ||
| Minimum chamfer dimensionrmin | 5 mm | — |
| Minimum chamfer dimensionrmin | 0.197 in | — |
| Shoulder diameter outer ringD1 | 422.85 mm | — |
| Shoulder diameter outer ringD1 | 16.648 in | — |
| Shoulder diameter inner ringd1 | 356.65 mm | — |
| Shoulder diameter inner ringd1 | 14.041 in | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | 425,000 N | — |
| Basic dynamic load rating, radialCr | 95,548.561 lbf | — |
| Basic static load rating, radialC0r | 600,000 N | — |
| Basic static load rating, radialC0r | 134,892.086 lbf | — |
| Fatigue load limit, radialCur | 20,900 N | — |
| Fatigue load limit, radialCur | 4,698.741 lbf | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | 351631 | — |
| Official Class Key | — | 010-010-010 |
| Base Type | 6256 | — |
| Old Designation | ["6256M"] | — |
| Gpsd Group | S02 | — |
| Product Line Id | 14 | — |
| SAP material number | 0191069390000 | — |
| Base product | 2305080101 | — |
| Bearing X designation | 6256-M | — |
| Mounting Manager ID | 6256-M | — |
| Grease application ID | 6256-M | — |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | 300 mm | — |
| Minimum diameter shaft shoulderda min | 11.811 in | — |
| Maximum diameter of housing shoulderDa max | 480 mm | — |
| Maximum diameter of housing shoulderDa max | 18.898 in | — |
| Maximum fillet radiusra max | 4 mm | — |
| Maximum fillet radiusra max | 0.157 in | — |
| Product characteristics | ||
| Type of SealWithout | Not sealed | — |
| Tolerance classPN | Normal (ISO 492:2023) | — |
| Dimensional / heat stabilizationS1 | Rings dimensional stabilized up to 200° | — |
| Radial internal clearanceCN (Group N) | Normal internal clearance | — |
| Bore typeZ | Cylindrical | — |
| Product Identity | ||
| Construction | Deep groove ball bearing 62..-M, single row, solid brass cage | — |
| Short Description | Deep groove ball bearing | — |
| Technical Data | ||
| d | — | 500 mm |
| B | — | 80 mm |
| R(Min.) | — | 5 mm |
| Bore Diameter (D) | 280 mm | — |
| Basic Load Ratings : Cr | — | 529 kN |
| Outside Diameter (D) | 500 mm | — |
| Basic Load Ratings : C0R | — | 599 kN |
| Width (B) | 80 mm | — |
| Fatigue Load Limit : Cu | — | 23.2 kN |
| Basic Dynamic Load Rating, Radial (Cr) | 425,000 N | — |
| Factor : F0 | — | 15.3 |
| Basic Static Load Rating, Radial (C0R) | 600,000 N | — |
| Limiting Speeds(Grease Lub.) | — | 1000 min-1 |
| Operating Temperature Min. (Tmin) | -30 °C | — |
| Limiting Speeds(Oil Lub.) | — | 1200 min-1 |
| Limiting Speed (Ng) | 2,250 1/min | — |
| Da(Min.) | — | 300 mm |
| Operating Temperature Max. (Tmax) | 200 °C | — |
| Da(Max.) | — | 480 mm |
| Reference Speed (Nϑr) | 1,690 1/min | — |
| Ra(Max.) | — | 4 mm |
| Calculation Factor (F0) | 15.3 | — |
| Mass(Refer.) | — | 71.8 kg |
| Fatigue Load Limit, Radial (Cur) | 20,900 N | — |
| Minimum Diameter Shaft Shoulder (Da Min) | 300 mm | — |
| Shoulder Diameter Inner Ring (D1) | 356.65 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 480 mm | — |
| Minimum Chamfer Dimension (Rmin) | 5 mm | — |
| Maximum Fillet Radius (Ra Max) | 4 mm | — |
| Shoulder Diameter Outer Ring (D1) | 422.85 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.