Description

Characteristics: (1) outside belt vertical place spherical surface ball bearing, (2) outside belt square shape place spherical surface ball bearing, (3) outside belt diamond place spherical surface ball bearing, (4) outside belt raised circular place spherical surface ball bearing, (5) outside belt ring-like place spherical surface ball bearing, (6) outside belt slide place spherical surface ball bearing, (7) outside belt suspension type place spherical surface ball bearing, (8) outside belt hanging place spherical surface ball bearing, (9) the belt may adjust outside the diamond place the spherical surface ball bearing, (*0) outside belt ramming place spherical surface ball bearing, (*1) belt other places outside spherical surface ball bearings.