The Geometrically Contoured (GC) Bearing is an innovative type of sliding bearing designed to specifically address roller bearing failures. It achieves this goal
09-09CK-B1542 CK-B2052 CK-B2562 CK-B3062 CK-B3572 ， 09-09ROLB2562（GC-B2562) GC-B4090 GC-B3580 GC-B3072
JOAN ARDEN, b. 1542, Stratford, Warwick, England. vii. .. by Walker's Br.. patent for 400a bearing a date 26 March 1684 granted to ISAAC WEBB .. Records of this land's sales to G.C. Walker are recorded in Caldwell Co, Tx. vol 103, pg.