•  
• Bearing model
• Model
  30311 J2/Q
• Inside diameter-(mm)
• d
  55
• Outside diameter-(mm)
• D
  120
• Dynamic load-(kN)
• cr
  166
• Static load-(kN)
• cor
  163
• Fatigue load limit-(kN)
• Fatigue load limit
  19.3
• Reference speed-(r/min)
• Reference speed
  4800
• Limiting Speeds-(r/min)
• Limiting Speeds
  5600

Dalian Xinsheng Bearing Manufacturing Co., Ltd. is located in the beautiful scenery and pleasant climate of the coastal city of Yifangdian Sun Industrial Park, known as the "Pearl of the North". The Shenyang Dalian Expressway and Harbin Dalian Railway pass through the factory area, making transportation very convenient. Our company covers an area of 50000 square meters, with office buildings and standard factories. We currently have 500 employees, including 40 senior engineers and technical personnel. The company has complete equipment, advanced technology, complete testing instruments, and strong technical strength. We implement microcomputer management and professional standardized production of bearings. The company is capable of designing and manufacturing ten series of thousands of standard and non-standard bearings. Widely used in industries such as mining metallurgy, petrochemicals, ceramic papermaking, cement heavy machinery, mechanical engineering, etc. The product is popular both domestically and internationally, and DXSZ bearings have become the preferred brand for customers.