086 15806631151 info@sdtflbearing.com
The 691 is a compact miniature ball bearing with a 1mm bore and 4mm outer diameter, crafted from sturdy chrome steel. Its slim 1.6mm width makes it ideal for tight spaces, while handling radial loads up to 27 lbf.
With an open design, it spins smoothly at speeds up to 100,000 RPM, perfect for high-speed applications. The stainless steel cage ensures durability, and it operates in temperatures from -30°C to 110°C.
This bearing requires lubrication for optimal performance, but its simple design makes maintenance straightforward. Suited for small devices like precision instruments or miniature motors where space is limited.
Weighing just 0.11g, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial and electronic uses.
"*" indicates required fields
How Does 691 Bearing Perform in High-Speed Applications?
691 Bearing is built with chrome steel rings and balls, ensuring smooth operation even at high speeds.
Its maximum speed of 100,000 rpm makes it suitable for precision instruments and small machinery.
The stainless steel cage maintains ball alignment, reducing friction and wear.
With a compact size of 1 mm×4 mm×1.6 mm, it fits seamlessly into tight spaces.
Why Choose 691 Bearing for Precision Tasks?
691 Bearing offers a radial clearance of 0.002mm to 0.013mm, providing precise movement for delicate applications.
Its chrome steel construction ensures durability and resistance to wear over time.
The open design allows for easy lubrication, maintaining optimal performance.
With a dynamic radial load capacity of 27 lbf, it handles light loads efficiently.
Engineered for Precision: 691 Bearing
691 Bearing’s single-row construction and standard inner ring ensure consistent performance in radial load applications.
The ABEC1 tolerance class guarantees reliable operation for general-purpose uses.
Its lightweight design at just 0.11 g makes it ideal for miniature devices.
The temperature range of -30° to 110 °C ensures functionality in various environments.
Material Composition of 691 Bearing
691 Bearing features chrome steel rings and balls, providing strength and resistance to wear.
The stainless steel cage enhances durability and maintains ball alignment under high speeds.
Its compact dimensions of 1 mm×4 mm×1.6 mm make it perfect for small-scale applications.
The open seal type allows for easy maintenance and lubrication.
Common Applications of 691 Bearing
The 691 Bearing is widely used in small electric motors, such as those found in handheld fans or miniature pumps. Its compact size and open design make it easy to integrate into tight spaces while allowing for regular lubrication.
In consumer electronics, 691 Bearing ensures smooth rotation in devices like optical drives or small printers. The chrome steel construction provides durability, even with frequent use in everyday gadgets.
For medical instruments, 691 Bearing offers reliable performance in delicate equipment like dental tools or lab devices. Its lightweight design and precise tolerances make it suitable for high-precision applications.
Automation systems benefit from 691 Bearing in components like small robotic arms or 3D printer parts. The high-speed capability ensures efficient operation without compromising on stability.
"*" indicates required fields
