Originally Posted by dedhed

The bearing number is right on the side. Pump, alternator, wheel hub doesn't matter the application. Call a local bearing house and tell them the number and they'll give you the price. If for some reason they can't match by number (shouldn't be the case) drive 1 out and have them measure ID, OD, and thickness to match it up. Drive the old ones out and press new ones in. A C clamp or vise and the correct diameter socket or pipe works good for installation. The idea is to press on the outer race. I've also driven in many an auto bearing with hardwood block and hammer until flush and then a brass drift to seat.