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Bellow actuator, Series BCR

▶ double ▶ Stroke: 185 - 233 mm

Version	Bellow actuator with mounting ring
Functional principle	Single-acting, retracted without pressure
Working pressure min./max.	0 bar / 8 bar
Ambient temperature min./max.	-40°C / +70°C
Medium temperature	-40°C / +70°C
Medium	Compressed air
Pressure for determining forces	6 bar

Materials:

Bellow	caoutchouc/butadiene caoutchouc
Clamping ring	Aluminum
Mounting ring	Aluminum

Technical Remarks
■	Compliance with the min. height Hmin. (B) and max. stroke (A) must be ensured with end stops.
■	Use at operating height ≥ Hmax: only permitted upon approval by Bosch Rexroth
■	For information on vibration insulators, see ''Technical Information''
■	reduced service life at a temperature greater than: 50 °C

bellow type

Dimensions

section of mounted bead ring with staybolt 1. mounting ring 2. machine part 3. sealing surface ) 4. bellow recommendation for surface finish: if the surface is turned or cylindrically ground: Ra 6 if the surface is milled or surface ground: Ra 0,8 suitable tightening torque M8: 25 Nm; M10: 40 Nm; M16: 70 Nm air connection in the mounting part

force-displacement diagram for double bellow actuators

max. permitted parallel displacement between the center points of the rings: max. 20 mm

force-displacement diagram, 1944182000

force-displacement diagram, 1951182000

V* = volume
H* = recommended operating height for vibration insulators
H** = use permitted only upon approval by Bosch Rexroth

force-displacement diagram, 1957192000

force-displacement diagram, 1971232000

V* = volume
H* = recommended operating height for vibration insulators
H** = use permitted only upon approval by Bosch Rexroth

force-displacement diagram, 2999697010

V* = volume H* = recommended operating height for vibration insulators H** = use permitted only upon approval by Bosch Rexroth