SR166-ZZ Stainless Steel Miniature Deep Groove Ball Bearing 4.762x9.525x3.175mm For Dental Handpiece Tools

The SR166-ZZ miniature deep groove ball bearing is made of stainless steel for high-speed tiny precision equipment, featuring double ZZ metal dust shields and anti-rust performance.

It is widely used in dental handpieces, miniature motors and precision instruments requiring compact size and corrosion resistance.

👉 Get a quote within 24 hours for your project

👉 Full technical data and drawings available upon request

• Dual ZZ metal shields block fine dust and keep internal grease inside
• 440C stainless steel offers excellent anti-corrosion & rust-proof capacity
• Ultra compact inch size fits narrow installation space
• Smooth low-friction rotation supporting high-speed continuous running
• Custom precision grade ABEC1/3/5, lubrication and shields available

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Dental high-speed handpieces & drill tools
• Mini precision micro motors
• Medical miniature instrument parts
• Small precision electronic rotary equipment

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

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom micro bearing projects
• Strict precision inspection before shipment
• Fast response within 24 hours
• Stable bulk supply for long-term cooperation

👉 We focus on quality, reliability, and long-term partnership

• Raw stainless steel material inspection
• Precision ultra-fine grinding process
• Heat treatment anti-rust control
• High-speed rotation noise testing
• Final dimensional tolerance inspection before delivery

👉 Ensuring consistent performance for every bearing

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Looking for a reliable miniature bearing supplier?

👉 Send your inquiry to get:

• Fast quotation within 24 hours
• Professional technical support
• Custom precision solution suggestions
• Competitive factory direct price

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Q1: Can you provide custom miniature bearings?

Yes, we support OEM and custom micro bearings based on drawings or size requirements.

Q2: What is your delivery time?

Standard miniature models: 7–12 days

Custom precision products: depending on specifications

Q3: Do you support large bulk orders?

Yes, we provide stable mass supply for long-term cooperation.