Factory Direct Price FPV UAV Drone BLDC Brushless Motor Micro Bearing Deep Groove Ball Bearing 681ZZ 682ZZ 683ZZ 684ZZ 685ZZ 686ZZ 687ZZ 688ZZ 693ZZ 694ZZ 695ZZ 696ZZ High Speed and Wear Resistant

Factory Direct Price FPV UAV Drone BLDC Brushless Motor Micro Bearing Deep Groove Ball Bearing 681ZZ 682ZZ 683ZZ 684ZZ 685ZZ 686ZZ 687ZZ 688ZZ 693ZZ 694ZZ 695ZZ 696ZZ High Speed and Wear Resistant

Product Description：
These micro deep groove ball bearings are commonly used in FPV UAV drone brushless motors where smooth rotation and stable high-speed performance are required. Available in multiple models including 681ZZ, 682ZZ, 683ZZ, 684ZZ, 685ZZ, 686ZZ, 687ZZ, 688ZZ, 693ZZ, 694ZZ, 695ZZ, and 696ZZ
Designed for high RPM operation, the bearings help reduce friction, improve motor efficiency, and support more stable running performance during continuous flight. The metal shield design helps keep dust and small particles out while maintaining smooth movement inside the motor assembly.
Suitable for FPV drone motors, UAV brushless motors, RC equipment, and small precision devices, these bearings are available with factory direct pricing and stable supply for both replacement use and bulk purchasing.

Product Parameters：

Model: 685ZZ	Parameter	Symbol	Value	Unit
Boundary Dimensions	Bore diameter	d	5	mm
	Outside diameter	D	11	mm
	Width	B	5	mm
	Chamber dimension (min.)	r1 (min.)	0.15	mm
Basic Load Ratings	Parameter	Symbol	Value	Unit
	Basic dynamic load rating	Cr	790	N
	Basic static load rating	Cor	281	N
Speeds & Mass	Parameter	Symbol	Value	Unit
	Grease lubrication speed	Grease	45000	min⁻¹
	Mass (approx.)	Mass	0.00196	kg
Abutment and Fillet Dimensions	Parameter	Symbol	Value	Unit
	Diameter of shaft abutment (max.)	db (max.)	6.2	mm
	Diameter of housing abutment (max.)	Db (max.)	9.9	mm
	Radius of shaft or housing fillet (max.)	rb (max.)	0.15	mm
Additional Information	Parameter	Symbol	Value	Unit
	Number of Balls	z	8	–
	Ball Diameter	Dw	1.588	mm

 

Product photos:

 

 

Product Applications:

What materials can you machine?
Kzron is a professional OEM/ODM CNC machining factory. We ship up to 500,000 parts per month and operate a facility equipped with over 100 machines, supported by comprehensive production and quality control systems. We can machine the following materials:
Aluminum Alloys: Common grades include 6061, 7075, and 5052. These materials are lightweight, high-strength, and offer excellent thermal and electrical conductivity.
Stainless Steel: Grades such as 303, 304, and 316, which offer high strength, high corrosion resistance, and high toughness, making them suitable for heavy-duty machining.
Copper/Brass/Bronze: These materials have excellent electrical and thermal conductivity and are suitable for electrical and decorative parts.
Steel/Carbon Steel: Grades such as 1018 and 1045, which offer high strength at a moderate cost.
Titanium Alloys: High strength, lightweight, resistant to high temperatures and corrosion, commonly used in demanding industries such as aerospace.

Do you offer OEM services?
We have professional design engineers who can design or modify drawings according to your requirements. We can produce according to your specifications, support sample production with fast turnaround and short lead times, and offer high-quality, low-cost mass production with quick delivery.

What is your minimum order quantity?（MOQ）
At Kzron, customer needs are our top priority. We accept orders starting from a single piece, with no minimum quantity requirement.

Company Information:
Kzron is a precision parts manufacturing company. Established in 2010, Kzron is a long-standing manufacturer that provides customers with one-stop custom precision parts manufacturing services.
The company main products include drone components, drone motor parts, agricultural drone components, precision electronic device components, educational device enclosures, aviation equipment components, precision automotive custom parts, smart home components, and industrial non-standard custom parts. Through its one-stop machining services, the company can meet all customer needs from concept design to finished product delivery.
The company possesses robust production capabilities, including over 10 production lines featuring CNC machining centers, high-gloss finishing machines, CNC lathes, sheet metal fabrication, stamping, and welding, with a total of more than 200 machines. Among these, there are over 100 CNC machining centers from manufacturers such as Brother (Japan), Haas (USA), and Taiwanese brands.

Industries We Serve