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Tianma Bearings, worry-free operation.
Tianma bearings cover 10 major categories and more than 9,000 varieties, widely used in fields such as wind power generation, rail transportation, new energy vehicles, construction machinery, and industrial transmission.
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National sales champion of wind power bearings
Tianma Bearings provides solutions for the entire wind power industry chain, with supply volumes of slewing bearings, main bearings, gearbox bearings, and generator bearings ranking among the top in the industry.
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Tianma Bearings supports the advancement of rail transit.
Tianma bearings are widely used in railway freight cars, railway passenger cars, subway vehicles, regional trains, and trams in rail transit vehicles.
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Provide customers with comprehensive solutions.
Tianma Bearings has a postdoctoral workstation, a provincial-level technology center, and a CNAS certified testing center. It has also established cooperative relationships with major universities for academic research, project development, and talent training.
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About TMB Group
Keep the World Running Smoothly
Building a More Sustainable and Healthier Enterprise
Zhejiang TMB Bearing Group Co., Ltd. is headquartered in the General Aviation Manufacturing Town of Moganshan High-Tech Industrial Development Zone, Huzhou, Zhejiang Province.
Certifications: IATF16949, ISO9001, IRIS, CRCC, ISO14001, ISO45001, ISO17025.
Full Industrial Chain Precision
Manufacturing for Diverse Applications
Wind Power
TMB bearings are widely used in wind turbines, including yaw and pitch bearings, slewing rings, main shaft bearings, gearbox bearings, slewing reducer bearings, motor bearings, and tension pulley bearings.
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Rail Transit
Applications: Wheel sets and gearboxes for railway freight cars, passenger trains, and metro systems.
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Automotive Bearings
The TMB Extra series of high-precision, long-life bearings utilize advanced materials and technologies. Verified to deliver over 3 times the lifespan of conventional bearings, they operate at speeds exceeding 12,000+ rpm. Selected products are already in mass production for new energy passenger and commercial vehicles.
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Construction Machinery
Applications: Gearboxes, slewing motors, travel motors, and hydraulic pumps.
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Metallurgical Bearings
Applications: Hot and cold rolling production lines in copper plants and steel mills.
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Other Industrial Sectors
Applications: Motors, generators, geared motors, marine gearboxes, hoisting machinery, and compressors.
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From Raw Materials to Finished Products
Creating a Distinctive Core Competitiveness
TMB Bearings offers 10 major categories with over 9,000 product varieties, covering dimensions from an inner diameter of 5mm to an outer diameter of 12 meters. Key products such as wind power bearings, construction machinery bearings, and rail transit bearings have consistently ranked among the industry leaders in domestic market share for years.
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Premium Ball Bearings
Ball bearings, one of the most widely used types of rolling bearings, feature diverse structural variants tailored for different operating conditions. Based on load-bearing methods, they include:
High-Load Roller Bearings
Roller bearings are critical mechanical components designed to handle heavy radial loads. Utilizing line or surface contact, they distribute loads across a larger surface area, delivering superior load capacity, rigidity, and stable performance even under high loads and speeds.
TMB Wind Energy Solutions
Each wind turbine requires a specific configuration of these bearings to ensure seamless operation.
TMB Railway Bearings
Railway bearings undergo rigorous reliability testing under extreme loads and conditions to meet stringent safety standards set by rail transit authorities. TMB provides comprehensive solutions for rail vehicles, including:
TMB Ultra-Performance Series
The TMB Extra series leverages proprietary simulation analysis software for forward-optimized internal design. Combined with specially developed materials and advanced heat treatment technologies, these bearings act in high-speed stability, extended lifespan, low friction, reduced temperature rise, and minimal noise. They are widely adopted in new energy vehicles, construction machinery, and other high-performance applications.
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