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PowerFlex PF Series - Aluminum and Stainless Steel

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The PF Series incorporates the convenience of interchangeable bushings, providing for quick and easy changes in bore sizes, while using the same HELI-CAL flexible coupling center section. By designing the tapered bushings to hold more torque than the maximum torque capacity of the coupling, the need for keyways has been eliminated.

Features
  • No maintenance, lubrication or backlash.
  • Available in aluminum and stainless steel with 2, 2.5 and 3 inch OD. Standard with quick change tapered bushings.
  • Offered in inch or millimeter bore sizes up to 1 3/4 inch diameter.
  • Torque capacities up to 1800 Ibin.
  • High torsional stiffness.
  • Compensates for angular, parallel and axial misalignment.
  • More torque for less money.

    Angular: 4 degrees Axial: +/-.020in (.50mm) Max. RPM: 6,000
    Conversion from Horsepower to Torque (HPx63;000) -^RPM = Trq (Ibin) or (HP x 7.119) -RPM = Trq (Nm)



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      Results 1 - 6 of 6 1 

    Item #

    O.D. Outside Diameter

    L Length

    L1 Length

    B Length

    Attachment Screw Size

    Attachment Screw Qty

    Seating Torque

    Weight

    PFA200 2.00 in
    50.80
    mm
    4.000 in
    101.60
    mm
    3.12 in
    79.20
    mm
    0.82 in
    20.80
    mm
    M5 4 55 lb·in
    6.2
    N·m
    0.87 lb
    0.39
    kg
    PFS200 2.00 in
    50.80
    mm
    4.000 in
    101.60
    mm
    3.12 in
    79.20
    mm
    0.82 in
    20.80
    mm
    M5 4 65 lb·in
    7.3
    N·m
    2.31 lb
    1.05
    kg
    PFA250 2.500 in
    63.50
    mm
    4.750 in
    120.70
    mm
    3.70 in
    94.00
    mm
    1.00 in
    25.40
    mm
    M6 5 90 lb·in
    10.0
    N·m
    1.68 lb
    0.76
    kg
    PFS250 2.500 in
    63.50
    mm
    4.750 in
    120.70
    mm
    3.70 in
    94.00
    mm
    1.00 in
    25.40
    mm
    M6 5 110 lb·in
    12.0
    N·m
    4.46 lb
    2.02
    kg
    PFA300 3.000 in
    76.20
    mm
    5.500 in
    139.70
    mm
    4.47 in
    113.50
    mm
    1.13 in
    28.70
    mm
    M6 5 90 lb·in
    10.0
    N·m
    2.70 lb
    1.22
    kg
    PFS300 3.000 in
    76.20
    mm
    5.500 in
    139.70
    mm
    4.47 in
    113.50
    mm
    1.13 in
    28.70
    mm
    M6 5 110 lb·in
    12.0
    N·m
    7.31 lb
    3.32
    kg
      Results 1 - 6 of 6 1 
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