Four-Row Cylindrical Roller Bearing

4 week ago

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Jilin Zhongye Bearing Technology Co., Ltd.

 4 month year

Product details

Double row full complement cylindrical roller bearings: the ultimate load-bearing solution for heavy-load scenarios

Double-row full complement cylindrical roller bearings are a special category in the cylindrical roller bearing family that focus on extreme heavy loads. The core design adopts a double-row layout and removes the cage, filling the maximum number of cylindrical rollers. Through the superposition of double-row line contact and full complement structure, it achieves the ultimate radial load-bearing capacity and impact resistance performance under the same size. It is suitable for heavy industrial scenarios such as rolling mills, mining crushers, and large cranes that bear overload and strong impact. It is the "heavy load support core" under extreme working conditions.

From a structural point of view, this type of bearing consists of three parts: an outer ring (with double rows of linear raceways), an inner ring (with double rows of linear raceways), and double rows of full complement cylindrical rollers. The core feature is "double rows + no cage": two rows of rollers are symmetrically distributed in the double rows of raceways in the inner and outer rings, and the number of rollers in each row is proportional to Double-row bearings with cages are 30%-40% larger, and the roller diameters are precisely matched to completely fill the raceway gap and maximize the contact area; some models will be equipped with metal ribs (such as NNCL type, NNC type) on both sides of the bearing to prevent the rollers from falling off and limit trace axial movement. The rollers are mostly made of GCr15SiMn high-carbon chromium bearing steel. After quenching and grinding, the surface hardness reaches HRC60-62, and its wear and impact resistance far exceeds that of ordinary bearings. 304/316 stainless steel is used in special corrosion-resistant scenarios, which is suitable for marine engineering, food machinery and other environments.Centripetal Bearings,High-Quality Bearings,Industrial Bearings,Explore our premium centripetal and radial ball bearings. Boost your machinery's efficiency today! Shop now for the best deals.

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Jilin Zhongye Bearing Technology Co., Ltd.

 Audited supplier

4 month

Address: Changchun, China

Main Product: centripetal bearing, deep groove ball bearings, spherical ball bearings, spherical roller bearings, cylindrical roller bearings , needle roller bearings

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