Pumpjacks, also known around the country as oil horses, donkey pumpers, nodding donkeys, horsehead pumps, Big Texans, thirsty birds, or a myriad of other descriptive names, are overground drives used in oil fields to mechanically lift the oil out of onshore wells. Pumpjacks are driven by industrial motors, which are prime candidates to have their steel ball bearings replaced by ceramic hybrid ball bearings. Although ceramic ball bearings offer many benefits to industrial electric motors of … [Read more...]