Founded in 1995 and as a member of China National Crane Conveyor Machinery Association, China Chuanda Conveyor Belt Co., Ltd. is a specialized ntn bearing manufacturer and custom ntn bearings designer of various kinds of conveyors, belts, pulleys, bearings, rollers, bushings and so on. Through modern scientific management, excelsior products and technological design, advanced production tools and strict testing methods, we have produced various types of conveyance equipment. In 2001, we were certified by ISO9001: 2000, which has ensured the reliability and stability of product quality. Also, we have passed Germany DQS authentication in the domestic same trade. We have established long-term relationships with some famous mechanical manufacturers both at home and abroad, such as Veit GmbH, Hashima, Oshima, Summit, and KDK companies.

Spherical roller bearings are self-aligning bearings designed for heavy radial loading. They automatically compensate for large angular errors (shaft misalignments). Small Type C bearings are widely applicable for small size machines and are suited for both radial and axial loads. Standard Type B bearings provide ideal contact pressure under radial or combined radial and axial loads, and perform well under high speeds.
Type UA bearings are designed to provide increased life and are ideally suited for heavy, shock or vibratory types of radial loading (i.e. Shaker screens). Available with cylindrical or tapered bores. Sized from 1.378" (35 mm) inside diameter to 71.6535" (1820 mm) outside diameter. Series: 21300, 22200, 22300, 23000, 23100, 23200, 23900, 24000, 24100, 22200UAVSI, 223UAVSI. We are a stockiest and supplier of bearing for various reputed brands like NTN, NB, IKO, SKF and WYKO. Our bearings are used for automotive products, precision apparatus, automation and energy saving systems, clutches and sliding bearings.

Shield/closure: open bearing, Z, ZZ, Snap ring: N, NR. Tolerance codes: Normal. ass, class6, class5, class4, class2. Internal clearance codes: C2, C3, CN,C4, C5 (Miniature Ball Bearing:MC1,MC2,MC3,MC4,M5,MC6, The boundary dimensions of needle roller bearings of series RNA 48, RNA 49, NA 48 and NA 49 conform to ISO 1206-1982 and those of series NA 69 to ISO 15:1998. The dimensions of the other needle roller bearings listed in the tables are not standardized but have found general acceptance in industry. CNK, NKS, RNA
CNKI, NKIS, NA CRNAO CNAO. It has a backing made of bronze with particular formulation supported by certain angle and density. The solid lubricants inlaid in the bushing are compounded with precision. It's used in successive casting machine, mineral mountain machinery, shipping, steam turbine etc. It has good characteristics of low friction and air-erosion proof under the status of boundary lubrication and liquid lubrication.It was widely used in damper of automobiles and motorcycle as well as various of hydraulic cylinder and hydraulic motor and etc.

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