Back Mount Face Mount Back Mount Installation Dimensions Face Mount 1Cap Screws Supplied with Face Mount Bushings. Liner Bushings for Fixture Plates Liner Dimensions Locating repeatability will determine if one primary and one secondary or two primary liners are needed. With two primary liners, repeatability of ±0.0005" can be maintained if the two holes for receiver bushings are held to a centerline distance of ±0.0002" tolerance. Two styles of receiver bushings are available. Generally, the face mount receiver bushing is utilized in blind hole applications (Slip Fit). The back mount receiver bushing is used in through hole applications (Light Press Fit). Note: Installed bushings should be approximately .012" below subplate surface. See reference below for installation of back mount style bushings. Receiver Bushings Note on Installation of Press Fit Liners & Back Mount Style Receiver Bushings: To alleviate the possibility of binding the shank in the bore, the maximum interference t between bore and bushing O.D. should not exceed .0005". Face Mount Bushing Installation Instructions Back Mount Bushing Installation Instructions Fixture Plate Thickness ±0.005 Shank Diameter (mm) Primary Liner Part Number Secondary Liner Part Number Liner O.D. +0.0000 -0.0004 1.00 30 49722 49822 1.7523 0.75 35 49731 49831 1.7523 1.00 35 49732 49832 1.7523 1.50 35 49733 49833 1.7523 2.00 35 49734 49834 1.7523 0.75 50 49741 49841 2.5025 1.00 50 49742 49842 2.5025 1.50 50 49743 49843 2.5025 2.00 50 49744 49844 2.5025 Fixture Plate Thickness ±0.005 Shank Diameter (mm) Primary Liner Part Number Secondary Liner Part Number Liner O.D. +0.0000 -0.0004 0.50 13 49705 49805 0.7518 0.75 13 49706 49806 0.7518 0.50 16 49707 49807 1.0018 0.75 16 49708 49808 1.0018 0.75 20 49701 49801 1.3772 1.00 20 49702 49802 1.3772 0.75 25 49711 49811 1.3772 1.00 25 49712 49812 1.3772 0.75 30 49721 49821 1.7523 Shank Dia. (mm) Face Mount Part Number Actual O.D. +0.0000 -0.0004 Clearance Drill Diameter E Bore +0.0005 -0.0000 F Depth +0.002 -0.000 G Tap Size & Depth1 H Bolt Circle Diameter 3 PL Equally Space Min. Subplate Thickness D Shank Dia. (mm) Back Mount Part Number Actual O.D. +0.0000 -0.0004 A Depth +0.000 -0.002 B C-Bore ±0.006 C Min. Subplate Thickness D 13 49506 1.3750 11/16 1.3750 0.469 8-32x5/16 0.984 3/4 13 49516 0.7870 .277 1.000 3/4 16 49507 1.4370 13/16 1.4370 0.469 8-32x5/16 1.125 3/4 16 49517 0.8760 .285 1.155 3/4 20 49501 1.6873 13/16 1.6873 0.637 10-32x3/8 1.362 1 20 49511 1.0950 .345 1.280 7/8 25 49502 2.0623 1 2.0623 0.799 1/4-28x1/2 1.644 1-1/4 25 49512 1.3763 .416 1.593 1 30 49503 2.2654 1 3/16 2.2654 0.871 1/4-28x3/4 1.876 1-3/8 30 49513 1.6264 .432 1.906 1-1/4 35 49504 2.6873 1 9/16 2.6873 0.904 5/16-24x7/8 2.178 1-1/2 35 49514 1.8764 .493 2.155 1-5/16 50 49505 3.4998 2 5/32 3.4998 1.239 3/8-24x1 2.916 2 50 49515 2.6269 .621 2.988 1-3/4 QUICK CHANGE FIXTURING - ZERO POINT MOUNTING SYSTEM Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com W19-P1 QUICK CHANGE FIXTURING - BALL LOCK® MOUNTING SYSTEM 19 INCH FIXTURE/SUBPLATES workholding solutions BALL LOCK® MOUNTING SYSTEM
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