Attributes . 50MM Bore; 50MM Base to Center Height; 108MM Nominal Bolt Center Across Shaft; 4 Bolt Pillow Block; Aluminum Housing; Plain; 100MM Length Thru Bore; 9.2MM Mounting Hole Diam; Relubricatable; PAB50100PPAS; 2 Seals; Non-Adjustable; No Self Aligning . Names