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JNS - NOSE SEIKO CO.,LTD.

A Specialist in Needle Roller Bearing Manufacturing.

Specialized machined needle roller bearings, used for equipment miniaturization and high load support.

Developed the industry’s first stainless needle roller bearings

Fotos. Equipment miniaturization (ball vs. needle) and high load support (ball vs. needle).

Foto. Needle roller bearing inside structure

✅ Advantage of needle roller bearings

The machined ring needle roller bearings are characterized by high rigidity and high precision. They are assemblies of a machined outer ring, containing needle rollers and a cage. Thanks to the high rigidity of the outer ring, these bearings are suitable even for light alloy housings. The needle diameter is comparatively small, which allows for installation in places of high radial load, but low cross-sectional height. Therefore, a reduction in the size and weight of the produced equipment is possible. Two types are available - with an inner ring and without an inner ring, for when the shaft is used as the direct raceway surface.

✅ Advantage of Stainless Steel needle roller bearings

JNS produces corrosion resistant stainless needle roller bearings and inner rings. They are applied in medical, food, packaging, fiber and chemical equipment as well as in other places where high corrosion resistance is required. Since the outer ring, inner ring, and the rollers are made from Martensite stainless steel, high precision in machining is achieved. The available sizes are the same as the JNS standard products. The stainless types are available in the same sizes as the standard types.

JNS supports custom manufacturing in cutting-edge industries where high

precision and high performance are required.

The needle bearing products boast high-precision, high-rigidity, and high-durability. They are widely used in production lines for advanced products, such as digital home appliances, as well as in manufacturing facilities for semiconductor manufacturing devices, precise construction machinery, and electron microscopes. Our technology supports every type of industry in the world.

JNS product portfolio: