iso 9001:2008
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Heavy Bar 1
Heavy Bar 1

Hevi-Bar I is designed for heavy-duty, high speed applications such as material handling cranes and ship loading equipment.

  • 700, 1000, & 1500 Amp
  • UL Listed
  • All components are fully insulated for both indoor and outdoor use
  • Long

  • Ringfeder Shrink Discs


    RfN 4071, 4051, 4091 Shrink Discs Sizes from .625" to 34" diameter.

    Torques from 77 lb.ft. to 7.6 million lb.ft.

    Ideal for transmission of very high torques, particularly when external clamping is advantageous and excellent concentricity is needed. RfN 4071-SR, 4051-SR, 4091-SR Split Shrink Disc Designed as separate-half inner rings which offer greater mounting versatility and allow symmetrical hub designs

    Also useable as Half Shrink Discs transmitting half the catalog rated torque - clearance or tapered holes need to be provided in the hub for the locking screws.

    RfN 4171 Shrink Discs Sizes for shafts from 0.75 to 16.5" Torques from 136 lb.ft. to 860,000 lb.ft. Uses a single, long, shallow taper instead of opposing tapers of the RfN 4071 Better centering and concentricity Ideal for high-speed applications where balance is critical

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