Carr Lane PM-70-30-50.00 | 50.00mm Inner Diameter x 70.00mm Outer Diameter x 30.00mm Length Press-Fit Bushing (PM)

Description

Product Information

Metric version of our popular P bushing. PM bushings are permanently pressed into the jig plate, usually flush with the top surface. They are generally used for single-operation drilling or reaming, when you do not expect to replace bushings during the tooling’s lifetime. PM bushings can be mounted closer together than headed bushings, but offer less resistance to heavy axial loads. Metric Liner Bushings are simply specific large ID sizes of PM Press-Fit Bushings. Complete part numbers for all standard Metric Press-Fit Bushings (all standard ID, OD, and length combinations) are listed in the tables below. The Part Configurator link at the top of this page can be used for any PM bushing, either standard or special.

Application Information

PM bushings are permanently pressed into the jig plate, usually flush with the top surface.

ID Tolerance

Standard ID Tolerance (G6):From .35 to 3mm +.002/+.008mmOver 3 to 6mm +.004/+.012mmOver 6 to 10mm +.005/+.014mmOver 10 to 18mm +.006/+.017mmOver 18 to 30mm +.007/+.020mmOver 30 to 50mm +.009/+.025mmOver 50 to 80mm +.010/+.029mmOver 80 and up+.012/+.034mmReamer ID Tolerance (F6) (Special):From 1 to 3mm+.006/+.012mm Over 3 to 6mm +.010/+.018mmOver 6 to 10mm +.013/+.022mmOver 10 to 18mm +.016/+.027mmOver 18 to 30mm +.020/+.033mmReamer bushings have a different ID-tolerance range than drill bushings. To special-order bushings with the reamer ID tolerance shown here, add “-REAMER” to the part number:PM-8-12-4.50-REAMER (Special)

OD Tolerance

Standard OD Tolerance (s6):4 to 6mm +.027/+.0197 to 10mm +.032/+.02312 to 18mm +.039/+.02822 to 30mm +.048/+.03535 to 48mm +.059/+.04355 to 62mm +.072/+.05370 to 78mm +.078/+.05985 to 95mm +.093/+.071105mm+.101

Counterbore on Small Drill Sizes

Metric bushings with small drill sizes through .80mm are counterbored 1.00mm diameter with 3mm drill-bearing length, according to ANSI standards, to eliminate binding and heat buildup.

Material

Parts Specification