BX4
Metal Bellows Coupling for higher torque with keyway connection

10 - 100 KNm

BX4 METAL BELLOWS COUPLING FOR HIGHER TORQUE WITH KEYWAY CONNECTION

BX4

Specifications BX4

BX4 Serien
Rated torque (Nm)TKN
Overall length (mm)A±5
Fit length (mm)C
Inside diameter possible from Ø to Ø F7 (mm)D1/D2
Bolt circle diameter ± 0.4 (mm)F
Outside diameter flange (mm)B
Outside diameter of bellows ±2 (mm)B1
Outside diameter tube section (mm)B2
Moment of inertia (10-3 kgm2)Jges.
Approximate weight (kg)
Torsional stiffness coupling (103 Nm/rad)
Axial ± (mm)max.
Lateral ± (mm)max.
Angular ± (degree)max.
Fastening screw ISO 4017 / Tightening torque (Nm)E
Fastening screw ISO 4029 / Tightening torque (Nm)E1
Hub length (mm)C2
Maximum torque (Nm)TKmax
Length (mm)C3
Length ±3 (mm)C1
Flange outside diameter (mm)B3
CAD Portal
BX4 Serien10
Rated torque (Nm)TKN10
Overall length (mm)A±5210
Fit length (mm)C95
Inside diameter possible from Ø to Ø F7 (mm)D1/D250-180
Bolt circle diameter ± 0.4 (mm)F290
Outside diameter flange (mm)B310
Outside diameter of bellows ±2 (mm)B1300
Outside diameter tube section (mm)B2-0
Moment of inertia (10-3 kgm2)Jges.492
Approximate weight (kg)44,7
Torsional stiffness coupling (103 Nm/rad)20000
Axial ± (mm)max.3
Lateral ± (mm)max.0,4
Angular ± (degree)max.1,5
Fastening screw ISO 4017 / Tightening torque (Nm)E12xM10/85
Fastening screw ISO 4029 / Tightening torque (Nm)E1M12/100
Hub length (mm)C224
Maximum torque (Nm)TKmax15
Length (mm)C342
Length ±3 (mm)C1-0
Flange outside diameter (mm)B3255
10
CAD
BX4 Serien
Rated torque (Nm)TKN
Overall length (mm)A±5
Fit length (mm)C
Inside diameter possible from Ø to Ø F7 (mm)D1/D2
Bolt circle diameter ± 0.4 (mm)F
Outside diameter flange (mm)B
Outside diameter of bellows ±2 (mm)B1
Outside diameter tube section (mm)B2
Moment of inertia (10-3 kgm2)Jges.
Approximate weight (kg)
Torsional stiffness coupling (103 Nm/rad)
Axial ± (mm)max.
Lateral ± (mm)max.
Angular ± (degree)max.
Fastening screw ISO 4017 / Tightening torque (Nm)E
Fastening screw ISO 4029 / Tightening torque (Nm)E1
Hub length (mm)C2
Maximum torque (Nm)TKmax
Length (mm)C3
Length ±3 (mm)C1
Flange outside diameter (mm)B3
CAD Portal
BX4 Serien25
Rated torque (Nm)TKN25
Overall length (mm)A±5470
Fit length (mm)C130
Inside diameter possible from Ø to Ø F7 (mm)D1/D260-170
Bolt circle diameter ± 0.4 (mm)F300
Outside diameter flange (mm)B324
Outside diameter of bellows ±2 (mm)B1323
Outside diameter tube section (mm)B2273
Moment of inertia (10-3 kgm2)Jges.1272
Approximate weight (kg)85
Torsional stiffness coupling (103 Nm/rad)9000
Axial ± (mm)max.5
Lateral ± (mm)max.2,2
Angular ± (degree)max.1
Fastening screw ISO 4017 / Tightening torque (Nm)E12xM12/145
Fastening screw ISO 4029 / Tightening torque (Nm)E1M16/220
Hub length (mm)C245
Maximum torque (Nm)TKmax38
Length (mm)C350
Length ±3 (mm)C1160
Flange outside diameter (mm)B3260
25
CAD
BX4 Serien
Rated torque (Nm)TKN
Overall length (mm)A±5
Fit length (mm)C
Inside diameter possible from Ø to Ø F7 (mm)D1/D2
Bolt circle diameter ± 0.4 (mm)F
Outside diameter flange (mm)B
Outside diameter of bellows ±2 (mm)B1
Outside diameter tube section (mm)B2
Moment of inertia (10-3 kgm2)Jges.
Approximate weight (kg)
Torsional stiffness coupling (103 Nm/rad)
Axial ± (mm)max.
Lateral ± (mm)max.
Angular ± (degree)max.
Fastening screw ISO 4017 / Tightening torque (Nm)E
Fastening screw ISO 4029 / Tightening torque (Nm)E1
Hub length (mm)C2
Maximum torque (Nm)TKmax
Length (mm)C3
Length ±3 (mm)C1
Flange outside diameter (mm)B3
CAD Portal
BX4 Serien50
Rated torque (Nm)TKN50
Overall length (mm)A±5545
Fit length (mm)C200
Inside diameter possible from Ø to Ø F7 (mm)D1/D280-200
Bolt circle diameter ± 0.4 (mm)F355
Outside diameter flange (mm)B385
Outside diameter of bellows ±2 (mm)B1370
Outside diameter tube section (mm)B2324
Moment of inertia (10-3 kgm2)Jges.3270
Approximate weight (kg)164
Torsional stiffness coupling (103 Nm/rad)15500
Axial ± (mm)max.6
Lateral ± (mm)max.2,5
Angular ± (degree)max.1
Fastening screw ISO 4017 / Tightening torque (Nm)E16xM16/360
Fastening screw ISO 4029 / Tightening torque (Nm)E1M20/450
Hub length (mm)C260
Maximum torque (Nm)TKmax75
Length (mm)C358
Length ±3 (mm)C1175
Flange outside diameter (mm)B3290
50
CAD
BX4 Serien
Rated torque (Nm)TKN
Overall length (mm)A±5
Fit length (mm)C
Inside diameter possible from Ø to Ø F7 (mm)D1/D2
Bolt circle diameter ± 0.4 (mm)F
Outside diameter flange (mm)B
Outside diameter of bellows ±2 (mm)B1
Outside diameter tube section (mm)B2
Moment of inertia (10-3 kgm2)Jges.
Approximate weight (kg)
Torsional stiffness coupling (103 Nm/rad)
Axial ± (mm)max.
Lateral ± (mm)max.
Angular ± (degree)max.
Fastening screw ISO 4017 / Tightening torque (Nm)E
Fastening screw ISO 4029 / Tightening torque (Nm)E1
Hub length (mm)C2
Maximum torque (Nm)TKmax
Length (mm)C3
Length ±3 (mm)C1
Flange outside diameter (mm)B3
CAD Portal
BX4 Serien75
Rated torque (Nm)TKN75
Overall length (mm)A±5730
Fit length (mm)C240
Inside diameter possible from Ø to Ø F7 (mm)D1/D2100-230
Bolt circle diameter ± 0.4 (mm)F400
Outside diameter flange (mm)B435
Outside diameter of bellows ±2 (mm)B1412
Outside diameter tube section (mm)B2360
Moment of inertia (10-3 kgm2)Jges.6754
Approximate weight (kg)260
Torsional stiffness coupling (103 Nm/rad)23000
Axial ± (mm)max.7
Lateral ± (mm)max.3
Angular ± (degree)max.1
Fastening screw ISO 4017 / Tightening torque (Nm)E16xM20/690
Fastening screw ISO 4029 / Tightening torque (Nm)E1M24/800
Hub length (mm)C290
Maximum torque (Nm)TKmax113
Length (mm)C385
Length ±3 (mm)C1240
Flange outside diameter (mm)B3340
75
CAD
BX4 Serien
Rated torque (Nm)TKN
Overall length (mm)A±5
Fit length (mm)C
Inside diameter possible from Ø to Ø F7 (mm)D1/D2
Bolt circle diameter ± 0.4 (mm)F
Outside diameter flange (mm)B
Outside diameter of bellows ±2 (mm)B1
Outside diameter tube section (mm)B2
Moment of inertia (10-3 kgm2)Jges.
Approximate weight (kg)
Torsional stiffness coupling (103 Nm/rad)
Axial ± (mm)max.
Lateral ± (mm)max.
Angular ± (degree)max.
Fastening screw ISO 4017 / Tightening torque (Nm)E
Fastening screw ISO 4029 / Tightening torque (Nm)E1
Hub length (mm)C2
Maximum torque (Nm)TKmax
Length (mm)C3
Length ±3 (mm)C1
Flange outside diameter (mm)B3
CAD Portal
BX4 Serien100
Rated torque (Nm)TKN100
Overall length (mm)A±5830
Fit length (mm)C280
Inside diameter possible from Ø to Ø F7 (mm)D1/D2120-280
Bolt circle diameter ± 0.4 (mm)F500
Outside diameter flange (mm)B545
Outside diameter of bellows ±2 (mm)B1520
Outside diameter tube section (mm)B2460
Moment of inertia (10-3 kgm2)Jges.19350
Approximate weight (kg)477
Torsional stiffness coupling (103 Nm/rad)35000
Axial ± (mm)max.8
Lateral ± (mm)max.3,5
Angular ± (degree)max.1
Fastening screw ISO 4017 / Tightening torque (Nm)E16xM24/800
Fastening screw ISO 4029 / Tightening torque (Nm)E1M24/800
Hub length (mm)C2110
Maximum torque (Nm)TKmax150
Length (mm)C395
Length ±3 (mm)C1250
Flange outside diameter (mm)B3410
100
CAD

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