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| Parameter | FAG6340-M200 × 420 × 80 mm | NSK6340200 × 420 × 80 mm | KOYO6340200 × 420 × 80 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | NSK | KOYO |
| Designation | 6340-M | 6340 | 6340 |
| Product family | — | Single row deep groove ball bearings | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings |
| Series | 6340 | — | — |
| Bore diameterd | 200 mm | 200 mm | 200 mm |
| Outside diameterD | 420 mm | 420 mm | 420 mm |
| WidthB | 80 mm | 80 mm | 80 mm |
| Basic dynamic load ratingC | 385 kN | 415 kN | 513 kN |
| Basic static load ratingC0 | 460 kN | 445 kN | 506 kN |
| Fatigue load limitPu | 18.6 kN | — | 25.5 kN |
| Reference speednref | 2170 r/min | — | — |
| Limiting speednG | 2700 r/min | — | 1300 r/min |
| Mass≈m | 56.6 kg | 55.3 kg | 58 kg |
| Precision class | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without — Not sealed | Open | Open |
| Cage | M — Solid brass cage, rolling element guided | — | — |
| Lubricant | Without — Bearing not greased | — | — |
| Minimum operating temperatureTmin | -30 °C | — | — |
| Maximum operating temperatureTmax | 200 °C | — | — |
| Boundary dimensions | |||
| Bearing widthB | — | 80 mm | — |
| Minimum bearing chamferr min. | — | 5 mm | — |
| Calculation factors | |||
| Calculation factorf0 | 14 | — | — |
| 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 |
| Construction | |||
| Catalogue closure construction | — | Open | — |
| Dimensions | |||
| Minimum chamfer dimensionrmin | 5 mm | — | — |
| Minimum chamfer dimensionrmin | 0.197 in | — | — |
| Shoulder diameter outer ringD1 | 345.9 mm | — | — |
| Shoulder diameter outer ringD1 | 13.618 in | — | — |
| Shoulder diameter inner ringd1 | 274.65 mm | — | — |
| Shoulder diameter inner ringd1 | 10.813 in | — | — |
| Load ratings | |||
| Basic dynamic radial load ratingCr | — | 415000 N | — |
| Basic static radial load ratingC0r | — | 445000 N | — |
| Equivalent-load calculation factorf0 | — | 13.8 | — |
| Lubrication-qualified speed | |||
| Limiting speed with grease | — | 1300 r/min | — |
| Limiting speed with oil (open bearing) | — | 1600 r/min | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | 385,000 N | — | — |
| Basic dynamic load rating, radialCr | 86,555.755 lbf | — | — |
| Basic static load rating, radialC0r | 460,000 N | — | — |
| Basic static load rating, radialC0r | 103,417.266 lbf | — | — |
| Fatigue load limit, radialCur | 18,600 N | — | — |
| Fatigue load limit, radialCur | 4,181.655 lbf | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 352276 | — | — |
| Official Class Key | — | — | 010-010-010 |
| Base Type | 6340 | — | — |
| Old Designation | ["6340M"] | — | — |
| Gpsd Group | S02 | — | — |
| Product Line Id | 14 | — | — |
| SAP material number | 0191123000000 | — | — |
| Base product | 2305080101 | — | — |
| Bearing X designation | 6340-M | — | — |
| Mounting Manager ID | 6340-M | — | — |
| Grease application ID | 6340-M | — | — |
| Mounting dimensions | |||
| Minimum shaft shoulder diameterda min. | — | 220 mm | — |
| Maximum housing shoulder diameterDa max. | — | 400 mm | — |
| Maximum shaft or housing fillet radiusra max. | — | 4 mm | — |
| Minimum diameter shaft shoulderda min | 220 mm | — | — |
| Minimum diameter shaft shoulderda min | 8.661 in | — | — |
| Maximum diameter of housing shoulderDa max | 400 mm | — | — |
| Maximum diameter of housing shoulderDa max | 15.748 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 63..-M, single row, solid brass cage | — | — |
| Short Description | Deep groove ball bearing | — | — |
| Reference mass | |||
| Approximate catalogue mass (open reference) | — | 55.3 kg | — |
| Technical Data | |||
| d | — | — | 420 mm |
| B | — | — | 80 mm |
| R(Min.) | — | — | 5 mm |
| Bore Diameter (D) | 200 mm | — | — |
| Basic Load Ratings : Cr | — | — | 513 kN |
| Outside Diameter (D) | 420 mm | — | — |
| Basic Load Ratings : C0R | — | — | 506 kN |
| Width (B) | 80 mm | — | — |
| Fatigue Load Limit : Cu | — | — | 25.5 kN |
| Basic Dynamic Load Rating, Radial (Cr) | 385,000 N | — | — |
| Factor : F0 | — | — | 14.0 |
| Basic Static Load Rating, Radial (C0R) | 460,000 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | 1300 min-1 |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| Limiting Speeds(Oil Lub.) | — | — | 1600 min-1 |
| Limiting Speed (Ng) | 2,700 1/min | — | — |
| Da(Min.) | — | — | 220 mm |
| Operating Temperature Max. (Tmax) | 200 °C | — | — |
| Da(Max.) | — | — | 400 mm |
| Reference Speed (Nϑr) | 2,170 1/min | — | — |
| Ra(Max.) | — | — | 4 mm |
| Calculation Factor (F0) | 14 | — | — |
| Mass(Refer.) | — | — | 58.0 kg |
| Fatigue Load Limit, Radial (Cur) | 18,600 N | — | — |
| Minimum Diameter Shaft Shoulder (Da Min) | 220 mm | — | — |
| Shoulder Diameter Inner Ring (D1) | 274.65 mm | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | 400 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | 5 mm | — | — |
| Maximum Fillet Radius (Ra Max) | 4 mm | — | — |
| Shoulder Diameter Outer Ring (D1) | 345.9 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 | — | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.