Cross-brand designation analysis
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You entered 6340-M-C3. This table explores the base group 6340; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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“6340” 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 | 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 | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.