Attributes . Bearing, Ball; 16MM Bore; 22MM Base to Center Height; 40MM Nominal Bolt Center Across Shaft; 2 Bolt Pillow Block; Aluminum Housing; 37MM Length Thru Bore; 5.3MM Mounting Hole Diameter; Relubricatable; KN1637PPAS; 2 Seals; Non-Adjustable . Names