Plummer Blocks: SD500 SD600 Series Hunan Minglun Tea Co., Ltd. Base Info Model NO.：SD500 SD600 seriesTrademark：PowellSpecification：GB,T 7813-1998, ISO113: 1999Origin：Yancheng, Jiangsu, China Description Pre：Wire Race Bearing Next：Piain Bearing Block Housings: Hz000 Series
