Miniature Thrust Ball Bearings

Miniature thrust ball bearings are also called miniature thrust bearings,it is one of the classifications under thrust ball bearings.It is one of particular separable ball bearings, they are composed of shaft washer,housing washer and steel balls with cage. And shaft washer is designed to fix the shaft, and housing washer is designed to fix the parts outside the shaft. Usually the material for two washers and balls are chrome steel, and the material for cage is brass or stainless steel. If longer corrosion resistance is needed, stainless thrust bearings is a good choice, the material for two washer,balls and cages are stainless steel(440 C). And miniature thrust bearings with hybrid ceramic balls are also pop for applications.

Compare with common radial ball bearings,miniature thrust ball bearings can not support too much of  radial load as radial ball bearings,miniature thrust ball bearings is designed only for axial or side loads.

Usually,miniature thrust ball bearings and stainless thrust bearings  are widely used in crane hook, vertical water pump, vertical centrifuge, Jack, low-speed reducer which only need one side of axial load and low speed.

Zhangzhou Runstar Bearings Manufacturing Co.;Ltd is a professional miniature thrust ball bearings manufacturer since 2007, Runstar’s Miniature thrust ball bearings start with bore size 2mm to 10mm, they are divided into two series according to the difference of raceway. They are FM series(with a groove as raceway) and F series(without a groove as raceway). Customized miniature thrust ball bearings are accepted in Runstar. All Runstar’s Bearings are strictly controlled under ISO9001:2015.

Part NumberRaceway type bore diameter of shaft washer(d)outer diamter of housing washer(D)thickness(H)Balls Qty/pcBalls Size/mmWeight/g
F2-6flat raceway263610.6
F2.5-6Mgroove raceway2.56361.20.8
F2.5-7flat raceway2.573.561.20.9
F2.5-7Mgroove raceway2.573.571.30.8
F3-6Mgroove raceway362.8610.85
F3-8flat raceway383.561.5880.6
F3-8Mgroove raceway383.561.5880.9
F4-8Mgroove raceway483.371.30.9
F4-9flat raceway49461.5881.5
F4-9Mgroove raceway49461.5881.2
F4-10flat raceway410461.5882
F4-10Mgroove raceway410461.5881.5
F5-10Mgroove raceway510471.5881.6
F5-11flat raceway5114.571.5882.4
F5-11Mgroove raceway5114.571.5881.9
F5-12Mgroove raceway512471.5882.1
F6-12flat raceway6124.5822.5
F6-12Mgroove raceway6124.5822.2
F6-14Mgroove raceway614582.3813.5
F7-13Mgroove raceway7134.5922.6
F7-15flat raceway715582.54.4
F7-15Mgroove raceway715582.54.3
F7-17Mgroove raceway717682.3816.5
F8-16flat raceway8165935
F8-16Mgroove raceway8165934.5
F8-19Mgroove raceway819783.1759.1
F9-17flat raceway9175102.3815.1
F9-20Mgroove raceway920783.1759.9
F10-18flat raceway10185.5102.3816
F10-18Mgroove raceway10185.5102.3815.4
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