"H Type" Heavy Duty H-type centers have been created to meet requirements for heavy feeds and heavier workpieces, featuring tandem flush ground bearings for greater capacity. Self-adjusting, bearing package lubricated for the life of the center, neoprene seals. Full Service Guarantee. FEATURES Accuracy < or = to .0001 TIR RPM (max.) 3,000 Spindle through hardened 60 - 62 Rc Body case hardened 58 - 62 Rc

cat no. part no. morse taper A B C D F max workpiece weight (lbs) H12 30300 2 1 5/8 11/16 25/32 1 7/8 3/16 1,300 H23 30301 3 2 1/4 7/8 1 1/8 2 1/2 3/16 3,000 H34 30302 4 2 9/16 1 1 3/8 2 11/16 1/4 3,800 H45 30303 5 3 1/2 1 5/8 1 13/16 3 3/8 5/16 5,700 H56 30304 6 4 3/4 2 5/16 2 5/32 5 1/8 3/8 14,000 H67 30305 7 5 5/8 2 5/8 2 11/16 5 1/2 1/2 21,000