BX1
Metal Bellows Coupling for higher torque with flange mounting

10 - 100 KNm

BX1 METAL BELLOWS COUPLING FOR HIGHER TORQUE WITH FLANGE MOUNTING

Specifications BX1

BX1 series 10 25 50 75 100
Rated torque (KNm) TKN 10 25 50 75 100
Maximum torque (KNm)
TKmax
15 38 75 113 150
Overall length (mm) A±5 125 380 450 580 640
Outside diameter of flange (mm) B 310 336 398 449 545
Outside diameter of bellows ±2 (mm) B1 300 323 370 412 520
Outside diameter of tube (mm)B2 - 273 324 360 460
Fit length (mm) C+0,5 4 5 6 10 15
Thread depth (mm) C1 15 25 30
36 36
Hub length (mm) C2 24 81 80 103 120
Bellows body length +3 (mm) C3 - 121 133 165 165
Centering diameter f7 (mm) D 265 260 310 350 440
Centering diameter f7 (inch) D
Hub diameter +0.3 (mm) D1 250 240 290 320 390
Hub diameter +0.3 (inch) D1
Fastening threads E 20xM12 24xM16 24xM20 20xM24 24xM24
Tightening torque of the fastening
screws (screw grade 10.9) (Nm)
E
120 300 580 1000 1000
Bolt circle diameter ±0.4 (mm) F 290 304 361 404 500
Moment of inertia (10-3kgm2) Jges.101 548 1185 2725 7900
Approximate weight (kg)   8.3 27.8 43.7 80 151
Axial*    (mm)max.3 5 6 7 8
Lateral (mm)max.0.4 2.2 2.5 3 3.5
angular ± (degree)max.1.5 1 1 1 1
Torsional stiffness coupling (10-3kgm2) 20,000 9,000 15,500 23,000 35,000
Axial spring stiffness bellow (N/mm) 985 3000 4300 3900 2800
Lateral spring stiffness bellow (KN/mm) 21 133 207 175 219
CAD Portal 10 25 50 75 100
2D/3D Data 

Properties

  • Design:
    • flange mount hubs on both sides
    • 2x bellows with intermediate tube (Series 10 without intermediate tube)
    • welded connection between hubs and bellows.
  • Temperature range: -40° C to +300° C (-40° F to +572° F)
  • Tolerance: Overall clearance between centering diameters 0.03-0.08 mm.
  • Service life: These couplings are maintenance-free if the technical ratings are not exceeded.
  • Material:
    • bellows made from highly flexible, high grade stainless steel;
    • 
hubs made from steel
  • Non standard applications: Custom designs with various tolerances, keyways, materials, dimensions, etc. available upon request.
  • Properties of Bellows Couplings model BX1:
    • for high torque applications
    • compact, simple design
    • easy mounting and dismounting
    • backlash free and torsionally rigid
    • various overall lengths available
    • high misalignment compensation

Overview