GJP 1" Two Bolt Flange Bearing Unit HCFT205-16 With Eccentric Locking Collar, it is round bore, with square outlooking, two bolt equally located in both side, one eccentric locking collar, and one set screw on the collar, the housing is medium or heavy duty design, and has standard mounted hole center-to-center, and normal mounted base to bearing center dimension, the insert ball bearing HC205-16 is designed by GJP with anti-rotating pin to fasten together with the housing FT205, there are various series of sealing type for customers’choice, GJP design with blue color per USA technical standard, as this items are mostly sold in the United State.