Founded in 1973, Chongqing Jiangnan Machinery Manufacturing Co., Ltd. (the former Chongqing Jiangnan Machinery Plant) produces marine water lubricated bearings, marine stern tube sealing device, ship shaft systems, rudder systems, and various non-ferrous metal shaft sleeves.

The company boasts its solid technical force, advanced technologies, full testing methods, complete quality assurance system, and stable and reliable product quality.

The non-ferrous metal sleeve castings, made by centrifugal casting method, have a maximum diameter of 2.5 m, and a maximum length of 2.2 m. The annual output is up to 2, 000 tons.

The company has obtained the certificate of "acceptance for Applying International Standards" issued by Chongqing Technical Supervision Bureau, certificate of ISO9001: 2008 (GB/TI9001: 2008), and "CCS" certificate of China Classification Society and "NKK" certificate of Japanese classification society for its marine products.

Over the years, the company has provided a large number of high-quality products for the military, ships, machinery and chemical industries; Moreover, the marine water lubricated bearings, marine stern tube sealing device, cone crusher copper sleeves, cone-shaped shells are exported to Southeast Asia, Europe, America and other countries

Bearing diameters are precision fitted to the designated shaft size with the correct clearance for efficient water lubrication. External brass shells are machined and polished to provide easy fitting. Specially formulated oil and chemical resistant rubber is securely bonded to the shell. Unit with thin shells are available for the struts of small craft. Sleeve bearings are usually installed by light press-fitting and locked in place with once pointed set screws.


Standard material: brass + Graphite

Other material can be customized based on your requirement

Characteristics :

  • Have Incomparable performance under a high load, low speed operation. Also perform well without lubrication,

  • Excellent wear resistance in such places where an oil film is difficult to be formed due to reciprocating, oscillating motions and frequently intermittent operations

  • Remarkable resistance to corrosion and resistance to chemical attack

  • Maintenance free and save operating cost.