Mac marketing corpn presents a wide range of high-precision angular contact ball bearings, which includes separable type, manufactured by snfa bearings ltd, uk. The inner race is removable for mounting on shaft separately from the other ring assembly in the separable type. Thus, mounting and removal of the bearing becomes easier than the non-separable design. The ball bearings are offered in various classes of precision, ranging from abec-5 to abec-91 5 mm to 260 mm bore diameter and different angles of contact with fibre cage that is suitable for high speed and high precision applications. The ball bearings are used in instruments, turbines and machine tool spindles.