BX1
Metal Bellows Coupling for higher torque with flange mounting

With flange mounting

BX1 METAL BELLOWS COUPLING FOR HIGHER TORQUE WITH FLANGE MOUNTING

BX1

Specifications BX1

BX1 Series
Rated torque (kNm)TKN
Overall length (mm)A±5
Fastening threads*E
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.
Outside diameter of hub +0.3 (mm)D1
Hub length (mm)C2
Mounting length +0.5 (mm)C+0,5
Maximum torque (Nm)TKmax
Thread depth (mm)C1
Pilot diameter F7 (mm)D
Length bellows body +3 (mm)C3
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E
Axial spring stiffness bellows (kN/mm)
Lateral spring stiffness bellows (kN/mm)
CAD Portal
BX1 Serien10
Rated torque (kNm)TKN10
Overall length (mm)A±5125
Fastening threads*E20xM12
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.101
Approximate weight (kg)8,3
Torsional stiffness coupling (103 Nm/rad)20000
Axial ± (mm))max.3
Lateral ± (mm)max.0,4
Angular ± (degree)max.1,5
Outside diameter of hub +0.3 (mm)D1250
Hub length (mm)C224
Mounting length +0.5 (mm)C+0,54
Maximum torque (Nm)TKmax15
Thread depth (mm)C115
Pilot diameter F7 (mm)D265
Length bellows body +3 (mm)C3-0
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E120
Axial spring stiffness bellows (kN/mm)985
Lateral spring stiffness bellows (kN/mm)21
10
CAD
BX1 Series
Rated torque (kNm)TKN
Overall length (mm)A±5
Fastening threads*E
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.
Outside diameter of hub +0.3 (mm)D1
Hub length (mm)C2
Mounting length +0.5 (mm)C+0,5
Maximum torque (Nm)TKmax
Thread depth (mm)C1
Pilot diameter F7 (mm)D
Length bellows body +3 (mm)C3
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E
Axial spring stiffness bellows (kN/mm)
Lateral spring stiffness bellows (kN/mm)
CAD Portal
BX1 Serien25
Rated torque (kNm)TKN25
Overall length (mm)A±5380
Fastening threads*E24xM16
Bolt circle diameter ± 0.4 (mm)F304
Outside diameter flange (mm)B336
Outside diameter of bellows ±2 (mm)B1323
Outside diameter tube section (mm)B2273
Moment of inertia (10-3 kgm2)Jges.548
Approximate weight (kg)27,8
Torsional stiffness coupling (103 Nm/rad)9000
Axial ± (mm))max.5
Lateral ± (mm)max.2,2
Angular ± (degree)max.1
Outside diameter of hub +0.3 (mm)D1240
Hub length (mm)C281
Mounting length +0.5 (mm)C+0,55
Maximum torque (Nm)TKmax38
Thread depth (mm)C125
Pilot diameter F7 (mm)D260
Length bellows body +3 (mm)C3121
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E300
Axial spring stiffness bellows (kN/mm)3000
Lateral spring stiffness bellows (kN/mm)133
25
CAD
BX1 Series
Rated torque (kNm)TKN
Overall length (mm)A±5
Fastening threads*E
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.
Outside diameter of hub +0.3 (mm)D1
Hub length (mm)C2
Mounting length +0.5 (mm)C+0,5
Maximum torque (Nm)TKmax
Thread depth (mm)C1
Pilot diameter F7 (mm)D
Length bellows body +3 (mm)C3
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E
Axial spring stiffness bellows (kN/mm)
Lateral spring stiffness bellows (kN/mm)
CAD Portal
BX1 Serien50
Rated torque (kNm)TKN50
Overall length (mm)A±5450
Fastening threads*E24xM20
Bolt circle diameter ± 0.4 (mm)F361
Outside diameter flange (mm)B398
Outside diameter of bellows ±2 (mm)B1370
Outside diameter tube section (mm)B2324
Moment of inertia (10-3 kgm2)Jges.1185
Approximate weight (kg)43,7
Torsional stiffness coupling (103 Nm/rad)15500
Axial ± (mm))max.6
Lateral ± (mm)max.2,5
Angular ± (degree)max.1
Outside diameter of hub +0.3 (mm)D1290
Hub length (mm)C280
Mounting length +0.5 (mm)C+0,56
Maximum torque (Nm)TKmax75
Thread depth (mm)C130
Pilot diameter F7 (mm)D310
Length bellows body +3 (mm)C3133
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E580
Axial spring stiffness bellows (kN/mm)4300
Lateral spring stiffness bellows (kN/mm)207
50
CAD
BX1 Series
Rated torque (kNm)TKN
Overall length (mm)A±5
Fastening threads*E
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.
Outside diameter of hub +0.3 (mm)D1
Hub length (mm)C2
Mounting length +0.5 (mm)C+0,5
Maximum torque (Nm)TKmax
Thread depth (mm)C1
Pilot diameter F7 (mm)D
Length bellows body +3 (mm)C3
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E
Axial spring stiffness bellows (kN/mm)
Lateral spring stiffness bellows (kN/mm)
CAD Portal
BX1 Serien75
Rated torque (kNm)TKN75
Overall length (mm)A±5580
Fastening threads*E20xM24
Bolt circle diameter ± 0.4 (mm)F404
Outside diameter flange (mm)B449
Outside diameter of bellows ±2 (mm)B1412
Outside diameter tube section (mm)B2360
Moment of inertia (10-3 kgm2)Jges.2725
Approximate weight (kg)80
Torsional stiffness coupling (103 Nm/rad)23000
Axial ± (mm))max.7
Lateral ± (mm)max.3
Angular ± (degree)max.1
Outside diameter of hub +0.3 (mm)D1320
Hub length (mm)C2103
Mounting length +0.5 (mm)C+0,510
Maximum torque (Nm)TKmax113
Thread depth (mm)C136
Pilot diameter F7 (mm)D350
Length bellows body +3 (mm)C3165
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E1000
Axial spring stiffness bellows (kN/mm)3900
Lateral spring stiffness bellows (kN/mm)175
75
CAD
BX1 Series
Rated torque (kNm)TKN
Overall length (mm)A±5
Fastening threads*E
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.
Outside diameter of hub +0.3 (mm)D1
Hub length (mm)C2
Mounting length +0.5 (mm)C+0,5
Maximum torque (Nm)TKmax
Thread depth (mm)C1
Pilot diameter F7 (mm)D
Length bellows body +3 (mm)C3
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E
Axial spring stiffness bellows (kN/mm)
Lateral spring stiffness bellows (kN/mm)
CAD Portal
BX1 Serien100
Rated torque (kNm)TKN100
Overall length (mm)A±5640
Fastening threads*E24xM24
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.7900
Approximate weight (kg)151
Torsional stiffness coupling (103 Nm/rad)35000
Axial ± (mm))max.8
Lateral ± (mm)max.3,5
Angular ± (degree)max.1
Outside diameter of hub +0.3 (mm)D1390
Hub length (mm)C2120
Mounting length +0.5 (mm)C+0,515
Maximum torque (Nm)TKmax150
Thread depth (mm)C136
Pilot diameter F7 (mm)D440
Length bellows body +3 (mm)C3165
Tightening torque of the fastening screws (screw grade 10.9) (Nm)E1000
Axial spring stiffness bellows (kN/mm)2800
Lateral spring stiffness bellows (kN/mm)219
100
CAD

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