HF type needle roller clutch, is composed of a stamped outer ring and a plastic cage; The cage can have its own plastic reed or stainless steel reed to guide the needle, and the bevel raceway and needle on the outer ring are used as locking devices. It has grooves on its surface, mainly for diabolo manufacturing enterprises, and has also launched solid ring type one-way needle bearing, mainly for fitness equipment enterprises, and also developed ultra-thin one-way needle bearing, mainly for precision machinery enterprises. The one-way needle bearing, namely the needle roller clutch for pressing the outer ring (one-way bearing), can be used as a converter, a check device and an overrunning clutch. HF (needle roller clutch): consists of a stamped outer ring and a plastic cage; The cage can have its own plastic reed or stainless steel reed to guide the needle, and the bevel raceway and needle on the outer ring are used as locking devices. HFL (clutch and bearing assembly): the support bearing is installed on both sides of the needle roller clutch and bears the radial load. The needle roller and plastic cage assembly are used as the support bearing.