MODEL 27.5 is Hacker's largest rotary table. It incorporates the same tough components
and superior design as the rest of the Hacker line. Power is transmitted through
heat treated and lapped spiral gears. It has a heat treated pinion shaft, heavy
duty pinion shaft bearings and adjustable pinion shaft locking assembly. Main and
upthrust bearings are angular ball thrust type. Each 27.5 table is furnished with
531/4" centers and can drill to 18,000 ft.
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MODEL
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A-27.5
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Rated Load Capacity
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500 tons 0 RPM
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Table Opening (API)
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27.5"
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Table Diameter
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571-4"
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Master Bushing
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API Taper
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Pinion Shaft
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4.938
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Ratio Pinion to Rotary
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3.68:1
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Gear Pitch
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1.52 diametrical pitch
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Pinion Shaft Bearing
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Spherical Rollers
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Main Table Bearing
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Ball Thrust
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Upthrust Bearing
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Adjustable ball thrust
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Oil Reservoir, Capacity
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9 gals.
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Positive Table Lock
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Standard
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Recommended Drilling Depth: 4 1/2" Drill Pipe
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18,000'
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Overall Length, Min.
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88-3/4"
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Overall Width
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60-1/2"
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Overall Height
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27"
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Centerline of Table to Centerline of Sprocket
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API Centers 53-1/4" or any specified length
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Net Weight, Approx.
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15,800 lbs.
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27 1/2" Rotary Table without cover
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