ball bearing / cylindrical roller / tapered roller / spherical roller
Railway Bearing Zhejiang Tianma Bearing Group Co.,Ltd.



  • Rolling element:

    ball, cylindrical roller, tapered roller, spherical roller

  • Configuration:

    radial, deep groove, axial, spherical, single-row, double-row

  • Material:


  • Other characteristics:

    precision, high-speed, with cage, self-aligning, wear-resistant, long-life, high-performance, large, inch-size, high-quality, sealed, hub, corrosion-resistant, high-rigidity, for extreme conditions, heavy-duty, low-friction

  • Applications:

    for motors, transmission, for railway applications

  • Inside diameter:

    Max.: 200 mm

    Min.: 100 mm

  • Outside diameter:

    Max.: 800 mm

    Min.: 400 mm

  • Width:

    Max.: 120 mm

    Min.: 60 mm


Railway bearing includes double rows tapered roller bearing,double rows cylindrical roller bearing which used in wheel-set of freight train and passenger train seperately. signle tapered roller bearing, cylindrical roller bearing and deep groove ball bearing which used in gearbox of train.

TMB railway bearing has been certified by China CRCC and IRIS, we are the biggest bearing supplier to China railway ministrative and earn a good reputation in the market over many years.