NU208 Cylindrical Roller Bearing 40×80×18mm Single Row for Gearbox Motor Reducer Product Overview NU208 is single‑row NU‑type cylindrical roller bearing of separable construction. The inner ring can move axially relative to outer ring, so it compensates shaft thermal expansion. This open‑style bearing takes heavy radial loads, fits medium and high‑speed industrial transmission systems. *Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you