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.
Designation candidates
“F683” across 2 loaded brands
One highest-ranked designation candidate is shown per manufacturer. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | NSKF683A3 × 7 × 2 mm | KOYOF6833 × 7 × 2 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | F683A | F683 |
| Product family | Single row deep groove ball bearings | Extra-small, miniature ball bearings / Flanged type / Open |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 3 mm | 3 mm |
| Outside diameterD | 7 mm | 7 mm |
| WidthB | 2 mm | 2 mm |
| Basic dynamic load ratingC | 0.425 kN | 0.39 kN |
| Basic static load ratingC0 | 0.13 kN | 0.11 kN |
| Fatigue load limitPu | — | 0.003 kN |
| Limiting speednG | — | 65000 r/min |
| Mass≈m | 0.00037 kg | 0 kg |
| Sealing | Open | Open |
| Boundary dimensions | ||
| Body outside diameterD | 7 mm | — |
| Bearing width (open)B | 2 mm | — |
| Minimum bearing chamferr min. | 0.1 mm | — |
| Classification | ||
| Official Category Path | — | Deep groove ball bearings - Extra-small, miniature ball bearings - Flanged type - Open |
| Official Classification 1 | — | Deep groove ball bearings / Extra-small, miniature ball bearings / Flanged type / Open |
| Construction | ||
| Catalogue closure construction | Open | — |
| Flange dimensions | ||
| Flange outside diameterD1 | 8.1 mm | — |
| Flange widthC1 | 0.5 mm | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 425 N | — |
| Basic static radial load ratingC0r | 130 N | — |
| Lubrication-qualified speed | ||
| Limiting speed with grease | 63000 r/min | — |
| Limiting speed with oil (open) | 75000 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 010-020-020 |
| Mounting dimensions | ||
| Minimum shaft shoulder diameter (open)da min. | 3.8 mm | — |
| Maximum adjacent fillet radiusra max. | 0.1 mm | — |
| Reference mass | ||
| Approximate catalogue mass (open) | 0.37 g | — |
| Technical Data | ||
| d | — | 7 mm |
| B | — | 2 mm |
| R(Min.) | — | 0.15 mm |
| Basic Load Ratings : Cr | — | 0.39 kN |
| Basic Load Ratings : C0R | — | 0.11 kN |
| Fatigue Load Limit : Cu | — | 0.003 kN |
| Factor : F0 | — | 14.0 |
| Limiting Speeds(Grease Lub.) | — | 65000 min-1 |
| Limiting Speeds(Oil Lub.) | — | 78000 min-1 |
| Dimensions Of Flange D1 | — | 8.1 mm |
| Dimensions Of Flange C1 | — | 0.5 mm |
| Da(Min.) | — | 4.2 mm |
| Ra(Max.) | — | 0.1 mm |
| Mass(Refer.) | — | 0.4 g |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.