Profile: Aetna Bearing Co. manufactures anti-friction bearings. Our bearings include ball thrust, clutch release, belt idler and chain sprocket idler bearings. We serve automotive, truck, agricultural, aircraft and industrial equipments. Our ball thrust bearings used in pumps, compressors and conveying equipments. Our precision idlers are used as tighteners or direction changers. Our assembling service includes a sealed, pre-lubricated adapter bearing and mounting flange with bolt holes.