NTN BST40X90-1BP4 - BALL SCREW SUPPORT BEARING BORE 40MM - BALL SCREW SUPPORT BEARING CONTACT ANGLE 60 DEGREES BORE DIA 40MM OUTSIDE DIA 90MM WIDTH 20MM DYNAMIC LOAD CAPACITY 56500 LB. STATIC LOAD CAPACITY 130000 LB. ABEC TOLERANCE P4 TEMP RANGE -22...