Morgan Stanley sees the robot bearings market growing ~300x by 2050. The nine bearing stocks that matter — $RBC, $TKR, $RRX, SKF, NSK, MinebeaMitsumi, Schaeffler — mapped with live data.
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Bearing stocks are shares of companies that manufacture precision bearings — the components that reduce friction and support rotating parts in every motor and machine. The main listed names are RBC Bearings ($RBC), Timken ($TKR), Regal Rexnord ($RRX), SKF ($SKF-B.ST), Schaeffler ($SHA.DE), and the Japanese makers NSK ($6471.T), NTN ($6472.T), JTEKT ($6473.T), and MinebeaMitsumi ($6479.T).
Morgan Stanley's July 2026 research puts it at 70 or more bearings per humanoid, versus 8–12 for a small quadcopter drone. The count scales with degrees of freedom: every joint, wrist, and finger adds motors, and every motor needs at least one bearing.
It depends on the robot form factor. MinebeaMitsumi ($6479.T) leads in the miniature ball bearings that small drones and compact joints use. Schaeffler ($SHA.DE) is positioned in humanoid actuator components. Timken ($TKR) owns precision drive makers (Cone Drive, Spinea) that ship into robot joints today. RBC Bearings ($RBC) and SKF ($SKF-B.ST) own the highest-precision grades that next-generation robotics will qualify.
No dedicated bearings ETF exists. Broad robotics ETFs like ROBO and BOTZ hold robot OEMs, software, and a handful of Japanese component makers, so the bearing exposure inside them is diluted. The Precision Bearings basket is a free way to track the pure component layer as one index.
Because bearings are required regardless of which robot architecture wins, face very low substitution and obsolescence risk, and scale in content as robots get more complex. The firm forecasts roughly 300x growth in the robot bearings market through 2050 — about 40 billion units and over $250 billion a year — and notes that OpenAI listed precision bearings as one of six critical components in its US robotics manufacturing RFP. This is not financial advice — it's research and education. Bearing makers are cyclical industrials, forecasts to 2050 carry enormous uncertainty, and several of these names trade on foreign exchanges with different disclosure standards. Do your own work.