Chuck jaws individually locate on part diameter.

23jawcompensating

 

CHUCK SIZE 5″ 6″ 7″ 8″ 9″ 10″ 12″ 15″ 18″ 21″ 24″ 30” 33″
  UBG UBG UBG UBG UBG UBG UBG UBG UBG UBG UBG   UBG
TWO JAW CHUCK ASSEMBLY 5012 6012 7012 8012 9012 10012 12012 15012 18012 21012 24012 30012 33012
THREE JAW CHUCK ASSEMBLY 5002 6002 7002 8002 9002 10002 12002 15002 18002 21002 24002 30002 33002
DIMENSION A 5.63 6.50 7.75 8.25 9.50 10.00 12.00 15.00 18.00 21.00 24.00 30.00 33.00
DIMENSION B 1.00 1.18 1.25 1.25 1.25 1.50 1.50 2.25 3.50 3.50 3.50 3.50 3.50
DIMENSION C 2.44 2.76 2.76 3.21 3.21 4.00 4.00 4.56 4.56 4.56 5.87 5.87 5.87
DIMENSION D 0.67 0.86 0.86 1.00 1.00 1.22 1.22 1.50 1.50 1.50 2.00 2.00 2.00
DIMENSION E 1.83 1.83 1.83 2.08 2.08 2.61 2.61 2.94 2.94 2.94 3.88 3.88 3.88
DIMENSION F 4.28 4.75 4.75 5.52 5.52 6.46 6.59 7.56 7.56 7.56 9.59 9.62 6.62
DIMENSION G 1.750 1.906 2.528 2.437 3.062 2.812 3.812 4.750 6.250 7.750 8.000 11.000 12.500
DIMENSION H 7/16 5/8 5/8 5/8 5/8 5/8 5/8 1 1 1 1 1 1
MAX. DRAWBAR INCH. LBS. OF FORCE TWO JAW 3,500 3,500 3,500 4,500 4,500 6,000 6,000 8,750 8,750 8,750 14,000 14,000 14,000
MAX. DRAWBAR INCH. LBS. OF FORCE THREE JAW 5,000 5,000 5,000 6,750 6,750 10,000 10,000 12,500 15,000 15,000 20,000 20,000 20,000
TOTAL DRAWBAR TRAVEL MINIMUM 0.75 0.75 0.75 0.88 0.88 1.12 1.12 1.38 1.38 1.38 1.24 1.24 1.24
TOTAL JAW TRAVEL AT POINT -A- (DIAMETRIC TRAVEL) 0.375 0.375 0.375 0.450 0.450 0.60 0.60 0.75 0.75 0.75 0.75 0.75 0.75

Note #1: Minimum chuck height to be determined upon receipt of machine spindle information.

Shown above is an external grip, compensating chuck. Most chuck sizes are available as standard in external, internal, compensating, centralizing and “centralizing/compensating” styles.