Attributes . 3/8? Bore; 1/2? Base to Center Height; 1.4? Nominal Bolt Center Across Shaft; 4 Bolt Pillow Block; Aluminum Housing; Ball; 7/8? Length Thru Bore; 5/32? Mounting Hole Diam; Yes Relubricatable; KNZ06PP; 2 Seals; Non-Adjustable; Yes Self Aligning . Names