H(HE、HS、HA）3 系列

The tightening sleeve is used to fix tapered hole self-aligning bearings (self-aligning ball bearings, self-aligning roller bearings) on a shoulderless shaft. It has a simple structure and is widely used in light industry, textile, papermaking, metallurgy, stone, belt conveyor machinery and other industries. The hardness of the fastening sleeve product is HB150-200, and those with an inner diameter of more than 200 adopt an oil injection hole annular oil groove structure design, which is convenient for disassembly and installation.