Product Description SYPT L190 Jaw Type couplings are offered in the industry’s largest variety of stock bore/keyway combinations.   These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications.   Now we provide 3 different kinds of the inserts,rubber,urethane and hytrel,color … Continue reading China supplier L190 Jaw Spider Couplings Used for Pumps