MR104ZZ Single Row Miniature Deep Groove Ball Bearing Double ZZ Metal Shield 4x10x4mm Micro Motor Optical Equipment

The MR104ZZ miniature ball bearing is designed for micro precision rotary equipment, offering low friction, dust resistance and ultra-high rotational stability.
It is widely used in 3C electronics, drone motors, optical instruments and miniature medical devices where limited installation space and quiet high-speed operation are required.

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• Compact tiny size to save installation space for mini mechanical structures
• Non-contact ZZ metal shield with low rotation torque and excellent dust blocking effect
• Superfinished raceway and balls for low vibration, mute continuous high-speed running
• High hardness quenched steel for outstanding wear resistance and extended service life
• Multiple optional configurations: open type, rubber sealed, stainless steel anti-rust version
• Custom clearance and precision grades available to match different working conditions

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This bearing is widely used in:

• Drone miniature servo and brushless motors
• Optical lens adjustment and laboratory precision testing instruments
• Notebook cooling fans and portable 3C electronic rotary components
• Mini medical equipment and small automated positioning shafts

???? Ideal for customers looking for reliable long-life miniature bearing solutions

• 25+ years experience in miniature micro ball bearing manufacturing
• Exported to many countries worldwide
• Rich experience in OEM & bulk custom bearing projects
• Strict full-process quality inspection before shipment
• Fast professional technical response within 24 hours
• Stable mass supply for long-term factory cooperation

???? We focus on stable high-speed mute performance and reliable long-term partnership

• Raw material composition and hardness inspection
• Ultra-precision micro grinding machining process
• Standard quenching & tempering heat treatment control
• Clearance grouping and high-speed rotation aging testing
• Full dimensional final inspection before delivery

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Looking for a reliable miniature double ZZ shield bearing supplier?

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• Fast quotation within 24 hours
• Professional engineer technical support
• Custom seal, clearance and material solution suggestions
• Competitive factory wholesale price

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