623ZZ Single Row Miniature Deep Groove Ball Bearing Double ZZ Metal Shield 3x10x4mm RC Motor Fishing Reel Equipment

The 623ZZ miniature ball bearing is designed for small model and micro precision equipment, offering low noise, dust resistance and stable ultra-high speed rotation.

It is widely used in RC motors, fishing reels and miniature electronic devices where tiny installation space and long service life are required.

👉 Get a quote within 24 hours for your project

Model

623ZZ

Inner Diameter (ID)

3mm

Outer Diameter (OD)

10mm

Width

4mm

Structure

Single row miniature deep groove ball bearing, double ZZ non-contact metal dust shield

Material

GCr15 high carbon chromium bearing steel

Gear Type (if any)

None

👉 Full technical data and drawings available upon request

• Ultra-small lightweight structure, saves limited installation space of mini equipment
• Non-contact ZZ metal shield with low running torque and good dust blocking performance
• Superfinished internal raceway and steel balls to reduce vibration and running noise
• Heat-treated high hardness steel, excellent wear resistance for continuous cyclic operation
• Multiple optional types: open bearing, rubber sealed bearing, stainless steel anti-rust bearing
• Custom clearance and precision grades can be produced according to working demands

👉 Helps lower equipment failure rate and reduce daily maintenance expenses

This bearing is widely used in:

• RC drone and model car brushless drive motors
• Fishing reel core rotating components
• Mini cooling fans and portable small power tools
• Optical detection instruments and miniature automation shafts

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

• 25+ years experience in miniature deep groove 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 low-noise high-speed 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

👉 Ensuring consistent dust-proof quiet high-speed performance for every bearing