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SB3 Ball bearing boom stand with arbor(3511)
SB3 Ball bearing boom stand with arbor(3511)

#3511(#3510+#4302) Ball Bearing Stand with Short Pillar and Focusing Mount

(#3510) Ball Bearing Stand (Double Bar Boom Stand)
Base dimension: 285x260x32mm, the max. distance from the vertical post to the end of base: 235mm.
Vertical Post: OD. 37mm, main post 380mm, a 225mm extension post can be attached.
A Lock Ring on vertical post for stopping.
Horizontal Post: Smooth ball bearing movement, OD. 20mm for each shaft, Long 570mm (end to end), travel distance from vertical post to the end of horizontal post: 15.5-37mm. End of horizontal post has a 5/8'' hole that will fit Universal and Arbor arms.
(#4302) Arbor: post OD. 25mm, length 200mm, with a 5/8’’ fitting.
Allows for tilting of adjustment 90 °and 45 °from vertical line.
Vertical working distance 54mm (+26,-28).
(#4113) Focusing Mount
The vertical working distance 80mm (+69, -11), focusing hand wheel is adjustable to loosen and tighten, ID 25mm for pole, the centerline to centerline 140mm from ring to hole.
Net Weight: 49.38 lb (22.4kg)
 

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