Our major products include full ceramic bearings, hybrid bearings, plastic bearings, stainless steel bearings, ceramic parts, plastic parts & bearing units.

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2004

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NO.396 JIAHE ROAD XIAMEN CHINA

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professional manufacturer and distributor for special materials bearings

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Metric Series Miniature Bearings-F691

Product Number :F691

System Of Measurement :Metric

Bearing Type :Flanged

Bore Dia(mm) :1 mm

Outside Dia(mm) :4 mm

Weight :0.14

Seal Type :Open

Ring Material :52100 Chrome steel

Ball Material :52100 Chrome steel

Cage Material :300 Series Stainless Steel

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Precision metric miniature bearings (1-10mm bore). ABEC/ISO grades, chrome steel/ceramic options for medical, robotics & micro-drives.

Key points:
✓ Standard: Metric sizes (bore typically 1-10mm)
✓ Precision: ABEC/ISO grades (P0/P6 common)
✓ Materials: Chrome steel, stainless steel, hybrid ceramic
✓ Applications: Medical devices, micro-motors, drones, robotics, precision mechanisms

Primary Applications:

They are critical in industries where precision, compactness, and reliability are paramount:

High-Tech: Stepper motors, encoders, and small DC motors.

Medical: Dental handpieces, surgical power tools, and diagnostic scanners.

Robotics: Joints and actuators in collaborative and industrial robots.

Office Automation: Printers, scanners, and copiers.

Aerospace & Defense: Guidance systems, instrumentation, and control mechanisms.