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Company Info
Zhengtong Bearing Co., Ltd. was founded in 2004 (original name: Zhengtong bearing processing office). It is a professional bearing production enterprise integrating design and research and development. After years of development, the group operation mode has been formed, the building area of the factory building is nearly 28,000 square meters, and the production capacity of the finished product with the annual output of 25 million sets of bearings has been produced.
The products produced by the company are low-noise deep groove ball bearing, non-standard bearing (customizable) and automobile first-generation, second-generation, third-generation hub bearing and hub bear for agricultural machinery. The finished product is widely used in motor, water pump, machine tool, automobile, agricultural machinery, air conditioner, fan, air compressor and other industries.
We uphold to provide customers with high-precision, high-quality bearings with advanced bearing manufacturing equipment, automatic grinding line and automatic testing equipment, adhere to continuous technical improvement and scientific management, and constantly improve the quality management system and after-sales service system.
We always people-oriented and believe that excellent staff and excellent teams will have high-quality products and services. We have been working to build the "ZTB" brand, carry out strict quality standard, fine quality control and control measures, and improve product quality and service quality.
Working with every partner to achieve "growth, success, achievement" is the eternal dream of all employees of Zhengtong bearing.
The products produced by the company are low-noise deep groove ball bearing, non-standard bearing (customizable) and automobile first-generation, second-generation, third-generation hub bearing and hub bear for agricultural machinery. The finished product is widely used in motor, water pump, machine tool, automobile, agricultural machinery, air conditioner, fan, air compressor and other industries.
We uphold to provide customers with high-precision, high-quality bearings with advanced bearing manufacturing equipment, automatic grinding line and automatic testing equipment, adhere to continuous technical improvement and scientific management, and constantly improve the quality management system and after-sales service system.
We always people-oriented and believe that excellent staff and excellent teams will have high-quality products and services. We have been working to build the "ZTB" brand, carry out strict quality standard, fine quality control and control measures, and improve product quality and service quality.
Working with every partner to achieve "growth, success, achievement" is the eternal dream of all employees of Zhengtong bearing.
Hot Products
- SL04 5052 PP : 260 * 400 * 190
- SL04 260 PP 2NR : 260 * 340 * 95
- NNF 260 : 260 * 340 * 95
- SL04 260 PP : 260 * 340 * 95
- SL04 5056 PP 2NR : 280 * 420 * 190
- NNF 5056 ADA-2LSV : 280 * 420 * 190
- SL04 5056 PP : 280 * 420 * 190
- SL04 5060 PP 2NR : 300 * 460 * 218
- NNF 5060 ADA-2LSV : 300 * 460 * 218
- SL04 5060 PP : 300 * 460 * 218
- SL04 300 PP 2NR : 300 * 380 * 95
- NNF 300 : 300 * 380 * 95
- SL04 300 PP : 300 * 380 * 95
- NNCF 5004 CV : 20 * 42 * 30
- SL18 5004 : 20 * 42 * 30
- SL18 5005 : 25 * 47 * 30
- NNCF 5005 CV : 25 * 47 * 30
- SL18 5006 : 30 * 55 * 34
- NNCF 5006 CV : 30 * 55 * 34
- SL18 5007 : 35 * 62 * 36



