... 2.good polish effect & no scratching scars 3.prompt delivery plastic bearing housing1.good qualiy & competitive price.2.good polish effect ... textile machines,autos and other areasSpecificationsPillow block bearings are composed of the outers spherical ball bearings with double-seal and the casting pedestal ... , UC312, UC313, UC314, UC315, UC316, UC317, UC318, UC319, UC320) SUCP204 plastic pillow block