Pivot assemblies

pivot m 01

Pivot assemblies are fitted into the base of actuators to  position HDD magnetic heads. This product combine ball bearings between shaft  and sleeve.






The World's Largest Manufacturer

MinebeaMitsumi has a global market share in excess of 65%.

Internal Sourcing of All Parts

All parts - ball bearings, shaft and sleeves - are manufactured in-house, giving MinebeaMitsumi  an unmatched advantage in terms of quality, supply capabilities,  cost-competitiveness and speed of delivery. Bang Pa-in plant in Thailand for  global markets employ the MinebeaMitsumi's vertically integrated manufacturing system,  where by all processes, from the production of parts to final assembly are done  in-house.

Ultra-precision Machining Technology

This product capitalizes on MinebeaMitsumi's ultra-precision machining technologies  cultivated by production of ball bearings. And these technologies are at work in  fluid dynamic bearings - essentially the same structure as that of pivot  assemblies.


pivot parts m 01 Parts of Pivot assemblies
fdb parts m 01 Parts of dynamic bearings