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CINCINNATI HEALD MODEL 272 SIZE-MATIC INTERNAL GRINDING MACHINE Swing inside standard guard 12" Maximum diameter of hole 5-1/2" Maximum included angle 60 Degrees Diameter of workhead spindle flange 9-5/8" Workhead speeds (4) 133, 200, 266, 400 RPM One turn of cross feed handwheel .060" on dia. Wheel wear compensation on dia. 0 to .004" Maximum power cross feed .042" on dia. 1/2, 3/4, 1, 1-1/2 HP 4 Speed 3/60/460 Workhead motor 2 HP 3/60/230/460 Oil pump motor 15 HP 3/60/230/460 Wheelhead motor 1/4 HP 3/60/230/460 Coolant pump motor Heald 8200 RPM Internal spindle Heald 11,000 RPM Facing spindle on same slide Coolant system with filtration |