BX4
Metal Bellows Coupling for higher torque with keyway connection

10 - 100 KNm

BX4 METAL BELLOWS COUPLING FOR HIGHER TORQUE WITH KEYWAY CONNECTION

Specifications BX4

BX4 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±5 210 480 590 760 840
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
Hub diameter (mm) B3 255 260 310 350 440
Fit length (mm) C 95
130
200
240
280
Length ±3 (mm) C1 -
170
200
257
260
Hub length (mm) C224 81 80 103 120
Distance (mm) C3 42 50 70 90 97
Inside diameter possible
from Ø to Ø F7 (mm)
D1/D2
50-170 60-170 80-200 100-230 120-280
D1/D2
Fastening screw ISO 4017 /
Tightening torque (Nm)
E
20xM12/120 24xM16/300 24xM20/580 20xM24/1000 24xM24/1000
Fastening screw ISO 4029 /
Tightening torque (Nm)
E1
M12/100 M16/220 M20/450 M24/800 M24/800
Bolt circle diameter ±0,4 (mm) F 290 304 361 404 500
Moment of inertia (10-3kgm2) Jges. 492 1272 3270 6754 19350
Approximate weight (kg)   44.7 85 164 260 477
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 (103 Nm/rad) 20,000 9000 15,500 23,000 35,000
CAD Portal 10 25 50 75 100
2D/3D Data 

Properties

  • Design:
    • with removable coupling hubs on both sides
    • with keyway
    • 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 hub and shaft 0.03-0.08 mm.
  • 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 BX4:
    • for high torque applications
    • compact, simple design
    • easy mounting and dismounting
    • torsionally rigid
    • various overall lengths available
    • high misalignment compensation

Overview