Founded in 1995 and as a member of China National Crane Conveyor Machinery Association, China Chuanda Conveyor Belt Co., Ltd. is a specialized nmb bearing manufacturer and custom nmb 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.

Our miniature bearings range in sizes from .1181 to 1.000 inch O.D. (3mm to 26mm), and are available in inch and metric sizes.
Miniature bearings and instrument bearings are single row bearings. The construction of these miniature bearings enables them to carry moderate radial and thrust loads at low operating torque while providing high performance within a small envelope design. Miniature bearings and instrument bearings are typically available in both stainless steel for those applications requiring corrosion resistance and chrome for maximum fatigue life.
Minebea manufactures more than 8,500 different types of miniature and small-sized bearings, most of which have external diameters of 22mm or less. NMB mainly uses high performance carbon chromium steel; or when good corrosion resistance is required, martensitic stainless steel in its precision bearings.

Standard inch and metric series radial bearings carry moderate radial and thrust loads at low operating torque and provide high performance within small envelope designs.
Radial ball bearings are probably the most widely used and most recognized ball bearing. These radial bearings have one row of balls (referred to as a single row), which revolves around the ball path. This feature provides another name for the radial bearings; they are commonly called deep groove bearings.
NMB radial bearings are used in aircraft components, such as wing flaps, engine and wing mounts and hatches, and rod-ends. These radial bearings are also used extensively in helicopters, trains and automobiles, functioning as joints. Developed by NMB's parent company, MKJ3 is a high carbon chromium bearing steel combined with a special heat treating process. This steel makes our precision bearings have a higher hardness and a more stable structure than standard chrome bearing steel. This allows the steel to retain its shape under adverse conditions.

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