Development and manufacture of high-quality rolling bearings – from ball and roller bearings to wind turbine and railway bearings with outer diameters up to 12 m
浙江天马精工集团股份有限公司 (Zhejiang Tianma Jinggong Group Co., Ltd.)
Huzhou (Zhejiang, China)New on Amplifa
About Tianma Jinggong (TMB)
Zhejiang Tianma Jinggong Group Co., Ltd. (TMB) is a Chinese manufacturer of rolling bearings based in the Moganshan High-Tech Zone in Huzhou, Zhejiang Province. With over 37 years of experience, the company develops and manufactures around 9,000 product variants in ten product groups, ranging from ball bearings (deep groove ball bearings, angular contact ball bearings, thrust and self-aligning ball bearings) and roller bearings (cylindrical roller, tapered roller, spherical roller and thrust spherical roller bearings) to applications such as yaw bearings, rotor main bearings, gearbox and generator bearings for wind turbines, as well as axle box bearings and gearbox bearings for rail vehicles. Product sizes range from 5 mm bore to 12 m outer diameter. The group comprises seven production sites, six of them in China and one abroad. The company operates a CNAS-accredited testing laboratory, a postdoc research station and a national technology centre, and cooperates with universities. Customer industries include wind power, rail transport, automotive, construction machinery, metallurgy and general industry.
- Site
- Moganshan High-Tech Zone, Huzhou, Zhejiang, China
- Processes
- Bearing manufacturing (bearing development and manufacture), Ball bearing manufacturing (deep groove ball bearings, angular contact ball bearings, thrust ball, Roller bearing manufacturing (cylindrical roller, tapered roller, spherical roller, thrust roller, Wind turbine bearing manufacturing (slewing bearings, main shaft bearings, gearbox bearings,, Railway bearing manufacturing (passenger car, freight car, metro, high-speed rail bearings), CNAS-accredited testing laboratory, Research (postdoc workstation, national technology centre), Cooperation with universities
- Materials
- Ball bearings, Roller bearings, Wind turbine bearings, Railway bearings, TMB Extra High-Performance Bearings
- Certificates
- IATF 16949, ISO 9001, IRIS, CRCC, ISO 14001, ISO 45001, ISO 17025
- Industries
- Wind power, Rail transport, Automotive, Construction machinery, Metallurgy/Oil, General industry
- 01
Engineering and bearing development (national technology centre,
- 02
Rolling bearing manufacturing (ball, roller, wind turbine and railway bearings)
- 03
Testing in the CNAS-accredited laboratory
- 04
Sales in China and internationally via distributors
Product groups and designs
Ball bearings
Deep groove ball bearings, angular contact ball bearings, thrust ball bearings and self-aligning ball bearings for motors, gearboxes and precision applications.
Roller bearings
Cylindrical roller, tapered roller, spherical roller and thrust spherical roller bearings for high loads.
Wind turbine bearings
Yaw bearings, rotor main bearings, gearbox and generator bearings for wind turbines.
Railway bearings
Bearings for rail vehicles, metro and high-speed trains.
TMB Extra High-Performance Bearings
High-precision, long-life bearings made of novel materials with a service life several times higher than that of conventional bearings.
Production sites
Huzhou, Zhejiang
CNHeadquarters and production site
- Part weight / size
- 5 mm to 12 m bore/outer diameter
- Materials
- Ball bearings, roller bearings, wind turbine bearings, railway bearings
- CNAS-accredited testing laboratory
Bearing products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Bearing manufacturing (bearing development and manufacture)General manufacturing | – | bore 5 mm to outer diameter 12 m | – | – | – |
| Ball bearing manufacturing (deep groove ball bearings, angular contact ball bearings, thrust ballGeneral manufacturing | – | – | – | – | – |
| Roller bearing manufacturing (cylindrical roller, tapered roller, spherical roller, thrust rollerGeneral manufacturing | – | – | – | – | – |
| Wind turbine bearing manufacturing (slewing bearings, main shaft bearings, gearbox bearings,General manufacturing | – | – | – | – | – |
| Railway bearing manufacturing (passenger car, freight car, metro, high-speed rail bearings)General manufacturing | – | – | – | – | – |
Additional services
Quality and certifications
Tianma is certified according to IATF 16949, ISO 9001, IRIS, CRCC, ISO 14001, ISO 45001 and ISO 17025 and operates a CNAS-accredited testing laboratory.
| Evidence | Huzhou, Zhejiang |
|---|---|
| ISO 9001 | |
| IATF 16949 | |
| ISO 14001 | |
| ISO 45001 | |
| IRIS | |
| CRCC | |
| ISO 17025 |
Company history
Over 37 years of experience in the development and manufacture of rolling bearings; 7 production sites (6 in China, 1 abroad) and more than 9,000 product variants