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SF684A-ZZ-MC3 Miniature Ball Bearing Flanged 4x9x4mm
SF684A-ZZ-MC3 miniature flanged radial ball bearing. 4mm bore x 9mm OD x 4mm width. Shielded (ZZ). Stainless Steel (AISI 440C).
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- Available in AISI 440C stainless steel or SAE 52100 chrome steel
- Cross-referenced to equivalents from NSK, NMB, SKF, GRW, Koyo, EZO and more
- Manufactured to ABEC / ISO precision standards
- Precision miniature radial ball bearing
- Suitable for instruments, small motors, medical and dental equipment, robotics, RC models and electronics
| Brand | MBA |
|---|---|
| Bearing Type | Miniature Ball Bearing |
| Series | F684A |
| Inner Diameter (Bore) | 4 mm |
| Outer Diameter | 9 mm |
| Width | 4 mm |
| Seal Type | Shielded (ZZ) |
| Material | Stainless Steel (AISI 440C) |
| Configuration | Flanged |
| Precision Grade | ABEC 1 |
| Clearance | MC3 |
| Flange Outer Diameter (DF) | 10.3 mm |
| Flange Width (BF) | 1 mm |
| Features & Benefits | Available in AISI 440C stainless steel or SAE 52100 chrome steel Cross-referenced to equivalents from NSK, NMB, SKF, GRW, Koyo, EZO and more Manufactured to ABEC / ISO precision standards Precision miniature radial ball bearing Suitable for instruments, small motors, medical and dental equipment, robotics, RC models and electronics |
SF684A-ZZ-MC3 Miniature Ball Bearing
The SF684A-ZZ-MC3 is a precision miniature flanged radial ball bearing, with a 4mm bore, 9mm outside diameter and 4mm width. It features metal shields on both sides (ZZ) for low-friction dust protection, and is manufactured from corrosion-resistant AISI 440C stainless steel.
Flange outside diameter (DF): 10.3mm. Flange width (BF): 1mm.
Miniature ball bearings are widely used in instruments, small electric motors, medical and dental handpieces, robotics, model engineering and precision electronics where compact size and smooth high-speed rotation are essential.
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