1-1/2" Bore; 2" Base to Center Height; 3-1/2" Nominal Bolt Center Across Shaft; 4 Bolt Pillow Block; Ductile Iron Housing; Ball; 3" Length Thru Bore; 0.34" Mounting Hole Diam; No Relubricatable; A-243848; 2 Seals; Non-Adjustable; Yes Self Aligning