View the Acme Gridley 1-1/4" RB-8 illustrated code reference drawing for Group M
This National Acme replacement thrust bearing (front) part number 58438 is for Acme Gridley 1-1/4" RB-8 multi spindle screw machines starting with serial number AM-40001. Please contact us if your screw machine serial number is prior to this number.
22845 Hoover Road
Warren, Michigan 48089
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f: (586) 755-1229
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