Sealed Lubrication R166 2RS Rubber Seal Bearing for Dust Collectors

• Customization: Available
• High Speed Specific: Portable Vacuum Cleaner Motors
• Maintenance-Free & Safety-Enhanced: Bearings for Dyson Hair Dryer Motors
• Model NO.: R166-4
• High-Speed Specific 693zz Bearings: Portable Vacuum Cleaner Motors
• Silent & Compact 693zz: Small Smart Device Drivetrains
• Transport Package: Industrial Packing
• Specification: 4.762mm*9.525mm*3.175mm
• Trademark: Welink
• Origin: Fujian, China
• HS Code: 84821020
• Production Capacity: 2000000/Monthly
• Package Size: 20.00cm * 20.00cm * 30.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

R166 ZZ Ultra-Miniature Deep Groove Ball Bearing for High-Speed Micro Motors

Cage and its materials	Steel Stamping
Model	R166
Structure	Single row deep groove ball bearings
Size	4.762mm*9.525mm*3.175mm
Seal type	2RS/ZZ/2RZ/open
Precision level	PO/P6/P5
Feature	Silent,maintenance-free,long-life,high efficiency
Package	Industrial Packing/Single Box Packing /Carton Box + Pallet
Applications	Castors,motors, conveyors, forklifts, mining machinery, rolling mills, and auto parts.

Specification

Applications

Fidget spinner, hand-turning toy, RC model, drone motor, small parts for 3D printer, dental tools, micro robots, precision instruments, etc.

Packing & Delivery

Company Profile

Welink Bearing Technology Co., Ltd.

Since 2010, Welink Bearing Technology Co., Ltd. has been a globally trusted leader in precision bearings, specializing in miniature deep-groove ball bearings. Our proprietary brand WELINK delivers premium quality and reliable performance rivaling international famous brands, with unbeatable cost-effectiveness that balances top-tier craftsmanship and competitive pricing. With three strategic R&D and production bases across Ningbo (Zhejiang), Ningde (Fujian), and Anhui, plus over 20,000sqm advanced workshops, we ensure a comprehensive product range, stable supply, and rigorous quality control. Serving 50+ industries worldwide.

Why Choose Us?

Other Products

OEM/ODM capabilities
Free Samples, fast delivery
Small orders accepted, Customized solutions
Certified by ISO 9001:2015/ ROHS/REACH
Excellent quality control, high speed, low noise, long lifespan 

Angular Contact Ball Bearings:
70 Series – Slim & High-Speed
72 Series – Versatile & General Purpose
73 Series – Wide & High-Load

Certifications

ISO 9001:2015 Certificate

ROHS Certificate

REACH Certificate

FAQ

Q: What's the lead time for orders?
A: Standard models ship within 30 days; customized units require 30–45 days.
 
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
 
Q: Can I request a customized size?
A: Absolutely! We offer tailored solutions.
 
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
 
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.

After Sales Service

Standard Warranty: Lifetime warranty
Global Support: 24/7 technical assistance.
Training: On-site or remote operation/maintenance training.