Solid Signal > Commercial Equipment > Antenna Tower Components > Rohn TB3
ROHN Heavy Duty Thrust Bearings are designed to attach to an accessory shelf at the top of a tower and to antenna support masts that are intended to be rotated, for directional antenna systems used in various radio applications. 2" O.D. antenna support pipe.
ROHN TB3 thrust bearing is used for 25G, 45G, and 55G towers pre-drilled to mount on ROHN top cap R-25AG4, R-BPL25G, R-BAS25G, R-45AG4, R-BPL45G and R-BPL55G. Not intended to be mounted onto R-AS25G or R-AS455G accessory shelves.
ROHN AG4 top cap sections and bearing plates are pre-drilled to accept the TB3 thrust bearing. The rotor can then be mounted on accessory shelf.
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