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Bellows Flat Style Cups

BF-style cups combine the convenience of a bellows action with a large-area anti-skid tread pattern to provide maximum holding power and high resistance to shear loads even when lubrication is present. BF cups are ideal for feeding sheet metal blanks to stamping presses or other robotic applications where it is necessary to resist loads caused by rapid acceleration and deceleration.50A Durometer nirtile (buna-N).

CUP DIAMETER BF80 BF100
CUP WEIGHT: oz. (g) 1.7 (48.2) 2.4 (68)
INTERNAL VOLUME: cu. In. (cc) 1.8 (29.5) 4.9 (80.3)
FORCE@ 6"Hg: lb. (N) 17 (75.6) 28 (125)
FORCE@ 18"Hg: lb. (N) 42 (187) 78 (347)
MINIMUM RADIUS: in. (mm) 2.8 (71.1) 3.6 (91.5)
MATERIALS N,S N,S
SHEAR LOAD*: lb. (N) 45 (200) 53 (236)

*All figures for shear load are 18"Hg. using a 0.5 coefficient of friction. Adjust coefficient of friction to suit your conditions, then apply a generous factor of safety (3:1 or greater) to shear loads.