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Bellows Couplings
grey block
 

MBCK - Bellows Coupling with Keyway

Metric Clamp Bellows Coupling BC Line Drawing

Features

  • High torque with low inertia
  • Balanced design for high RPM
  • Long life with no maintenance
  • High torsional stiffness
  • Constant velocity
  • Zero backlash
  • RoHS2 and REACH Compliant
  • Maximum speed: 10,000 RPM
  • Bore tolerance: +.03mm/-.00mm
  • Temperature Range: -40°C to 93 °C

Material

  • Aluminum hubs are standard
  • Stainless steel hubs available upon request
 

How to Specify

Part numbers are in the following format with numbers representing millimeters:

order bc

Inch to Metric Bore Combinations

  • Inch to metric bore combinations are available on the bellows coupling conversion page
  • For help on inch to metric bore combinations please email

 
 
Request Information
 
 
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  Click part number for full technical specs, CAD files, and pricing
Part Number Large
Bore
B1 (mm)
Small
Bore
B2 (mm)
Outer
Diameter
OD (mm)
Length
L (mm)
Hub
Width
LH (mm)
Keyway 1
K1 (mm)
Keyway 2
K2 (mm)
Clamp
Screw
Static
Torque
(Nm)
Torsional
Stiffness
(Nm/Deg)
Angular
(Deg)
Parallel
(mm)
Axial
Motion
(mm)
                         
MBCK25-10-10-A 10 10 25.4 33.3 11.85 3 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-10-6-A 10 6 25.4 33.3 11.85 3 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-10-7-A 10 7 25.4 33.3 11.85 3 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-10-8-A 10 8 25.4 33.3 11.85 3 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-10-9-A 10 9 25.4 33.3 11.85 3 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-10-A 11 10 25.4 33.3 11.85 4 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-11-A 11 11 25.4 33.3 11.85 4 4 M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-6-A 11 6 25.4 33.3 11.85 4 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-7-A 11 7 25.4 33.3 11.85 4 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-8-A 11 8 25.4 33.3 11.85 4 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-11-9-A 11 9 25.4 33.3 11.85 4 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-10-A 12 10 25.4 33.3 11.85 4 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-11-A 12 11 25.4 33.3 11.85 4 4 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-12-A 12 12 25.4 33.3 11.85 4 4 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-6-A 12 6 25.4 33.3 11.85 4 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-7-A 12 7 25.4 33.3 11.85 4 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-8-A 12 8 25.4 33.3 11.85 4 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-12-9-A 12 9 25.4 33.3 11.85 4 3 M3 6.8 27 1.5° 0.10 0.30
MBCK25-7-6-A 7 6 25.4 33.3 11.85 2 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-7-7-A 7 7 25.4 33.3 11.85 2 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-8-6-A 8 6 25.4 33.3 11.85 2 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-8-7-A 8 7 25.4 33.3 11.85 2 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-8-8-A 8 8 25.4 33.3 11.85 2 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-9-6-A 9 6 25.4 33.3 11.85 3 NK M3 6.8 27 1.5° 0.10 0.30
MBCK25-9-7-A 9 7 25.4 33.3 11.85 3 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-9-8-A 9 8 25.4 33.3 11.85 3 2 M3 6.8 27 1.5° 0.10 0.30
MBCK25-9-9-A 9 9 25.4 33.3 11.85 3 3 M3 6.8 27 1.5° 0.10 0.30
MBCK33-10-10-A 10 10 33.3 42.9 15.00 3 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-10-8-A 10 8 33.3 42.9 15.00 3 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-10-9-A 10 9 33.3 42.9 15.00 3 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-11-10-A 11 10 33.3 42.9 15.00 4 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-11-11-A 11 11 33.3 42.9 15.00 4 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-11-8-A 11 8 33.3 42.9 15.00 4 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-11-9-A 11 9 33.3 42.9 15.00 4 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-12-10-A 12 10 33.3 42.9 15.00 4 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-12-11-A 12 11 33.3 42.9 15.00 4 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-12-12-A 12 12 33.3 42.9 15.00 4 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-12-8-A 12 8 33.3 42.9 15.00 4 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-12-9-A 12 9 33.3 42.9 15.00 4 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-10-A 13 10 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-11-A 13 11 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-12-A 13 12 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-13-A 13 13 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-8-A 13 8 33.3 42.9 15.00 5 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-13-9-A 13 9 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-10-A 14 10 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-11-A 14 11 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-12-A 14 12 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-13-A 14 13 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-14-A 14 14 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-8-A 14 8 33.3 42.9 15.00 5 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-14-9-A 14 9 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-10-A 15 10 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-11-A 15 11 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-12-A 15 12 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-13-A 15 13 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-14-A 15 14 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-15-A 15 15 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-8-A 15 8 33.3 42.9 15.00 5 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-15-9-A 15 9 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-10-A 16 10 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-11-A 16 11 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-12-A 16 12 33.3 42.9 15.00 5 4 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-13-A 16 13 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-14-A 16 14 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-15-A 16 15 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-16-A 16 16 33.3 42.9 15.00 5 5 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-8-A 16 8 33.3 42.9 15.00 5 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-16-9-A 16 9 33.3 42.9 15.00 5 3 M3 13.6 45 1.5° 0.15 0.40
MBCK33-8-8-A 8 8 33.3 42.9 15.00 2 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-9-8-A 9 8 33.3 42.9 15.00 3 2 M3 13.6 45 1.5° 0.15 0.40
MBCK33-9-9-A 9 9 33.3 42.9 15.00 3 3 M3 13.6 45 1.5° 0.15 0.40
MBCK41-10-10-A 10 10 41.3 50.8 18.05 3 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-11-10-A 11 10 41.3 50.8 18.05 4 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-11-11-A 11 11 41.3 50.8 18.05 4 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-12-10-A 12 10 41.3 50.8 18.05 4 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-12-11-A 12 11 41.3 50.8 18.05 4 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-12-12-A 12 12 41.3 50.8 18.05 4 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-13-10-A 13 10 41.3 50.8 18.05 5 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-13-11-A 13 11 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-13-12-A 13 12 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-13-13-A 13 13 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-14-10-A 14 10 41.3 50.8 18.05 5 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-14-11-A 14 11 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-14-12-A 14 12 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-14-13-A 14 13 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-14-14-A 14 14 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-10-A 15 10 41.3 50.8 18.05 5 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-11-A 15 11 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-12-A 15 12 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-13-A 15 13 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-14-A 15 14 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-15-15-A 15 15 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-10-A 16 10 41.3 50.8 18.05 5 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-11-A 16 11 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-12-A 16 12 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-13-A 16 13 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-14-A 16 14 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-15-A 16 15 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-16-16-A 16 16 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-10-A 17 10 41.3 50.8 18.05 5 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-11-A 17 11 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-12-A 17 12 41.3 50.8 18.05 5 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-13-A 17 13 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-14-A 17 14 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-15-A 17 15 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-16-A 17 16 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-17-17-A 17 17 41.3 50.8 18.05 5 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-10-A 18 10 41.3 50.8 18.05 6 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-11-A 18 11 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-12-A 18 12 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-13-A 18 13 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-14-A 18 14 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-15-A 18 15 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-16-A 18 16 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-17-A 18 17 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-18-18-A 18 18 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-10-A 19 10 41.3 50.8 18.05 6 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-11-A 19 11 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-12-A 19 12 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-13-A 19 13 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-14-A 19 14 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-15-A 19 15 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-16-A 19 16 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-17-A 19 17 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-18-A 19 18 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK41-19-19-A 19 19 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-10-A 20 10 41.3 50.8 18.05 6 3 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-11-A 20 11 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-12-A 20 12 41.3 50.8 18.05 6 4 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-13-A 20 13 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-14-A 20 14 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-15-A 20 15 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-16-A 20 16 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-17-A 20 17 41.3 50.8 18.05 6 5 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-18-A 20 18 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-19-A 20 19 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK41-20-20-A 20 20 41.3 50.8 18.05 6 6 M4 28.0 63 2.0° 0.25 0.50
MBCK51-12-12-A 12 12 50.8 58.7 20.55 4 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-13-12-A 13 12 50.8 58.7 20.55 5 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-13-13-A 13 13 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-14-12-A 14 12 50.8 58.7 20.55 5 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-14-13-A 14 13 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-14-14-A 14 14 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-15-12-A 15 12 50.8 58.7 20.55 5 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-15-13-A 15 13 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-15-14-A 15 14 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-15-15-A 15 15 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-16-12-A 16 12 50.8 58.7 20.55 5 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-16-13-A 16 13 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-16-14-A 16 14 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-16-15-A 16 15 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-16-16-A 16 16 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-12-A 17 12 50.8 58.7 20.55 5 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-13-A 17 13 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-14-A 17 14 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-15-A 17 15 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-16-A 17 16 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-17-17-A 17 17 50.8 58.7 20.55 5 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-12-A 18 12 50.8 58.7 20.55 6 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-13-A 18 13 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-14-A 18 14 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-15-A 18 15 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-16-A 18 16 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-17-A 18 17 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-18-18-A 18 18 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-12-A 19 12 50.8 58.7 20.55 6 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-13-A 19 13 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-14-A 19 14 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-15-A 19 15 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-16-A 19 16 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-17-A 19 17 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-18-A 19 18 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-19-19-A 19 19 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-12-A 20 12 50.8 58.7 20.55 6 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-13-A 20 13 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-14-A 20 14 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-15-A 20 15 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-16-A 20 16 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-17-A 20 17 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-18-A 20 18 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-19-A 20 19 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-20-20-A 20 20 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-12-A 22 12 50.8 58.7 20.55 6 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-13-A 22 13 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-14-A 22 14 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-15-A 22 15 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-16-A 22 16 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-17-A 22 17 50.8 58.7 20.55 6 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-18-A 22 18 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-19-A 22 19 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-20-A 22 20 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-22-22-A 22 22 50.8 58.7 20.55 6 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-12-A 24 12 50.8 58.7 20.55 8 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-13-A 24 13 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-14-A 24 14 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-15-A 24 15 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-16-A 24 16 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-17-A 24 17 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-18-A 24 18 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-19-A 24 19 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-20-A 24 20 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-22-A 24 22 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-24-24-A 24 24 50.8 58.7 20.55 8 8 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-12-A 25 12 50.8 58.7 20.55 8 4 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-13-A 25 13 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-14-A 25 14 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-15-A 25 15 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-16-A 25 16 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-17-A 25 17 50.8 58.7 20.55 8 5 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-18-A 25 18 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-19-A 25 19 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-20-A 25 20 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-22-A 25 22 50.8 58.7 20.55 8 6 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-24-A 25 24 50.8 58.7 20.55 8 8 M5 45.2 108 2.0° 0.25 0.50
MBCK51-25-25-A 25 25 50.8 58.7 20.55 8 8 M5 45.2 108 2.0° 0.25 0.50
 
Note 1 Static torque ratings are at maximum misalignment. To obtain dynamic rating, static ratings should be divided by 2 for non-reversing applications and by 4 for reversing applications.
Note 2 Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 3 Our standard couplings are supplied with black anodized aluminum hubs. Stainless steel hubs are available upon request.
Note 4 Torque ratings for the couplings are based on the physical limitations/failure point of the metal bellows. In some cases, especially when the smallest standard bores are used or where shafts are undersized, slippage on the shaft is possible below the rated torque of the metal bellows. Keyways are available to provide additional torque capacity in the shaft/hub connection when required. Please consult technical support for more assistance.
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