PLATTER DIAMETER: 8.30 IN MAX WEIGHT ON PLATTER (W/SUPPORT): 120LB MAX WEIGHT ON PLATTER (UNSUPPORTED): 60 LB NUMBER OF STD T-SLOTS: 6 @ 60 DEGREES SPINDLE NUMBER: 2 MAX SPEED : 60 DEGREE/SEC MAX TORQUE: 170 FT-LBF RUNOUT MAX: 0.0005 IN CENTER HEIGHT: 7.750 IN BACKLASH: 30 ARC-SEC BRAKE TORQUE: @ 100 PSI/6.9 BAR GEAR RATIO: 90:1 TIMING: 2:1 INDEXING ACCURACY (+/-): 15 ARC-SEC REPEATABILIT: 10 ARC-SEC RESOLUTION: 0.001 DEGREES WORM GEAR DIA: 6.3 IN MAX ROTATION/STEP (WITH ROTARY CONTROL): 999.999 DEGREES GENERAL: S.A.E POWER REQUIREMENT: 115 VAC +/- 10% @ 15 A OPERATING TEMP (MAX AMBIENT): 100 DEGREES/F AIR REQUIREMENTS: S.A.E AIR PRESSURE MAX: 150 PSI DIMENSIONS - SHIPPING EXPORT CRATE: 46 IN X 24 IN X 24 IN WEIGHT: 440 LB (200.0 KG)