ROHN TB4 3" inch Heavy Duty Thrust Bearing for 25G 45G 55G Series Towers
Made in the USA!
The ROHN TB4 Thrust Bearing is pre-drilled to mount onto ROHN G-Series Tower Top Cap Sections and Plates like the 25AG4, BPL25G, BAS25G, 45AG4, BPL45G and BPL55G that are in turn, pre-drilled to accept the TB4 in support of up to 3.00" OD Mast. The TB4 is not intended to be mounted onto AS25G or AS455G Accessory shelves. The Rotor can then be Mounted on these Accessory Shelves Below.
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