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.
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- Model
- SR166-ZZ
- Inner Diameter (ID)
- 4.762mm (3/16 inch)
- Outer Diameter (OD)
- 9.525mm (3/8 inch)
- Width
- 3.175mm (1/8 inch)
- Structure
- Single row miniature deep groove ball
- Material
- 440C stainless steel
- Seal Type
- Double ZZ metal shield
- Gear Type (if any)
- N/A
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- 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, lubriion and shields available
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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
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- 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
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- 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
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Get a Quote Now
Looking for a reliable miniature bearing supplier?
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- 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 specifiions
- Q3: Do you support large bulk orders?
- Yes, we provide stable mass supply for long-term cooperation.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.