Product Description dual pulley CZPT wire rope block adjustable axle with weight lifting pulleys manufacturers 4 grooves 19mm bore pulley 5 keyed plastic bearing timing Three basic types of pulleys, their applications and ideal mechanical...
Product Description dual pulley CZPT wire saw rope block adjustable axle with weight lifting pulleys manufacturers 4 grooves 19mm bore pulley htd 5 keyed plastic bearing timing The importance of pulleysA pulley is a wheel that rides on an axle or...
Product Description Container crane pulley block,With high bearing capacity, high wear resistance and long service lifeSheave features:1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C2) Groove surface quench: HRC45-553) Groove surface quench depth: 2mm-2.5mm4)...