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Why Does Your Motorcycle Wheel Shake? A Bearing Diagnosis Guide for Riders

Introduction: When a Small Vibration Becomes a Big Safety Risk If your motorcycle wheel starts to shake, wobble, or feel unstable—especially at speed—it’s not just uncomfortable, it can be dangerous. One of the most common yet overlooked causes is wheel bearing wear. Bearings sit quietly inside t... Read More

Ball Bearing Structure, Fit, and Support Methods

Introduction Founded in 2005, NINGBO DEMY (D&M) BEARINGS CO.,LTD, combines two decades of engineering experience with global manufacturing capabilities to deliver high-performance ball bearings for industrial, automotive, and precision equipment applications. This product brief outlines essen... Read More

Why Choose Agricultural Bearings for Tough Conditions

Agricultural bearings are essential for ensuring optimal performance of farm machinery OEM in challenging environments. These heavy-duty bearings offer superior durability and reliability compared to standard bearings. In fact, more than half of all machine failures arise from bearing faults. Inv... Read More

Miniature Ball Bearings: Essential for Modern Automation Needs

Miniature ball bearings serve as crucial components in various automation systems, significantly enhancing operational efficiency. These high precision bearings, including reel miniature ball bearings, reduce friction, allowing for smooth and rapid movements in machines. Their role becomes even ... Read More

What are the different types of Deep Groove Ball bearings?

What are the different types of Deep Groove Ball bearings?  Deep groove ball bearings are among the most versatile and widely used rolling-element bearings in industry. Their simple design—an inner ring, an outer ring, a cage, and balls running in deep raceway grooves—allows them to carry radial ... Read More

Cost Savings Revealed: The Real ROI of Using Premium Bearings

In industrial procurement, it is tempting to choose components based solely on the lowest initial price. However, when it comes to bearings, this approach often leads to higher long-term costs. Total Cost of Ownership (TCO) provides a more accurate framework by evaluating all expenses incurred ov... Read More

Bearing Accuracy Classes Explained: P0 vs P6 vs P5 vs P4

In rolling bearing applications, bearing accuracy classes define the allowable tolerances for dimensions, shape, and rotational precision. These classes directly influence vibration, noise, speed capability, and service life. While many users focus on bearing type or material, accuracy grade is o... Read More

DEMY- Global Leading Bearing Manufacturer with Superior Product Quality

Introduction Founded in 2005, DEMY has grown from a focused engineering start-up into a global leader in bearing design, manufacturing, and distribution. Our founding vision — to deliver precision, durability, and value — drives everything we do. With customers in more than 60 countries, DEMY com... Read More

Do Spherical Plain Bearing Designations Conceal Hidden Clues?

Introduction A spherical plain bearing looks simple at first glance: rounded inner ring, outer ring, and a smooth sliding surface. But the alphanumeric designation stamped on the side often hides critical information—load capacity, material, internal clearance, and mounting hints. This product br... Read More
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