Jalman Precision’s cam followers can be effectively applied to static loads and heavy loads at low and middle high speed. Most of the elements such as shafts, rollers, needles and thrust washers are made of carbon chromium bearing steel.
The NA 49 and NKI series are basic bearings assembled with outer rings, cages with needle rollers and separable inner rings. These bearings can have heavy loads because the friction figure is much higher than ball bearings and can be subjected to high-speed rotations depending on the loads, because a cage assembly prevents friction between all of the needle rollers.
Furthermore, JMC bearings are suitable for many kinds of machines such as automatic machinery, cam working assembly, specialized machinery, transmissions for vehicles, printing machinery, air-pumps, electric clutches, hydraulic machines, etc.
The group of engineers at Jalman Precision specializes in bearings providing customers with solutions based on self-developed systems designed for quality improvement, discover new items, minimize defective products, and monitor in real time any quality abnormalities in order to satisfy the ever-varying and selective demands of customers.
The company provides services via a network in around 30 countries – playing a key role in the development of the machinery industry through environmentally friendly management and corporate philanthropic activities.
The company’s CEO Park Kyung-yoon commented, “Even though our global presence is not great, we retain our strong confidence. In fact, we are delivering our competitive products to more than 30 nations including those in Europe, the Middle East, Australasia, and Asia, as well as North, Central, and South America. Thus, we are steadily elevating our global brand awareness in global markets through such noticeable performance.”
Established in 1974, Jalman Precision has consistently made its advanced products such as needle roller bearings, rod ends, spherical plains, ball joints, LM stroke utilizing its self-developed technology. The company continues to produce rare kinds of bearings with competitiveness in terms of price, quality, design, durability, etc. To meet the demanding requirements from its valued clients in global markets, the firm is fully equipped with such arrangements as upgraded facilities and know-how.

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