Attributes . 12MM Bore; 42.43MM Nominal Bolt Circle Diam; 4 Bolt Square Flange; Cast Iron Housing; Ball; 32MM Length Thru Bore; 30MM Bolt Spacing; 20MM Housing Length; 5.5MM Mounting Hole Diam; Not Relubricatable; LBCD-12-2LS; 2 Seals; Self Aligning; End Mount . Names