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Bellows Couplings Shaft Collar in Shell
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MBC - Metric Clamp Bellows Coupling

Metric Clamp Bellows Coupling BC Line Drawing

Features

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

  		 

How to Specify

Choose any Bore 1 and any Bore 2 available in a body size. Part numbers are in the following format with numbers representing millimeters:

order bc

Material

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

Inch to Metric Bore Combinations

  • Inch and metric hubs with the same outside diameter can be combined into a single coupling
  • For help on inch to metric bore combinations please email


 
Bellows Couplings
Clamp Style Coupling
- BC Inch Series
- MBC Metric Series
Set Screw Coupling
Coupling Support Form
Product Index
 
 
  Click Right Arrow to expand table | Click part number for 3D CAD file and pricing
Part
Number		 Bore 1
B1 (mm)
Bore 2
B2 (mm)
Outer
Diameter
OD (mm)		 Length
L (mm)		 Hub
Width
LH (mm)		 Clamp
Screw		 Static
Torque
(Nm)
Torsional
Stiffness
(Nm/Deg)
MISALIGNMENT
Angular (Deg) Parallel (mm) Axial Motion (mm)
MBC15 3mm to 6mm 15.0 27.2 8.65 M2 2.5 8
1.5° 0.10 0.20
MBC15-3-3-A 3 3 15.0 27.2 8.65 M2 2.5 8
1.5° 0.10 0.20
MBC15-4-3-A 4 3
MBC15-4-4-A 4 4
MBC15-5-3-A 5 3
MBC15-5-4-A 5 4
MBC15-5-5-A 5 5
MBC15-6-3-A 6 3
MBC15-6-4-A 6 4
MBC15-6-5-A 6 5
MBC15-6-6-A 6 6
MBC19 4mm to 8mm 19.1 30.2 10.4 M2.5 4.5 14
1.5° 0.10 0.25
MBC19-4-4-A 4 4 19.1 30.2 10.4 M2.5 4.5 14
1.5° 0.10 0.25
MBC19-5-4-A 5 4
MBC19-5-5-A 5 5
MBC19-6-4-A 6 4
MBC19-6-5-A 6 5
MBC19-6-6-A 6 6
MBC19-8-4-A 8 4
MBC19-8-5-A 8 5
MBC19-8-6-A 8 6
MBC19-8-8-A 8 8
MBC25 6mm to 12mm 25.4 33.3 11.85 M3 6.8 27
1.5° 0.10 0.30
MBC25-6-6-A 6 6 25.4 33.3 11.85 M3 6.8 27
1.5° 0.10 0.30
MBC25-8-6-A 8 6
MBC25-8-8-A 8 8
MBC25-10-6-A 10 6
MBC25-10-8-A 10 8
MBC25-10-10-A 10 10
MBC25-12-6-A 12 6
MBC25-12-8-A 12 8
MBC25-12-10-A 12 10
MBC25-12-12-A 12 12
MBC33 8mm to 16mm 33.3 41.0 15.0 M3 13.6 45
1.5° 0.15 0.40
MBC33-8-8-A 8 8 33.3 41.0 15.0 M3 13.6 45
1.5° 0.15 0.40
MBC33-10-8-A 10 8
MBC33-10-10-A 10 10
MBC33-12-8-A 12 8
MBC33-12-10-A 12 10
MBC33-12-12-A 12 12
MBC33-14-8-A 14 8
MBC33-14-10-A 14 10
MBC33-14-12-A 14 12
MBC33-14-14-A 14 14
MBC33-15-8-A 15 8
MBC33-15-10-A 15 10
MBC33-15-12-A 15 12
MBC33-15-14-A 15 14
MBC33-15-15-A 15 15
MBC33-16-8-A 16 8
MBC33-16-10-A 16 10
MBC33-16-12-A 16 12
MBC33-16-14-A 16 14
MBC33-16-15-A 16 15
MBC33-16-16-A 16 16
MBC41 10mm to 20mm 41.3 50.8 18.05 M4 28.0 63
2° 0.25 0.50
MBC41-10-10-A 10 10 41.3 50.8 18.05 M4 28.0 63
2° 0.25 0.50
MBC41-12-10-A 12 10
MBC41-12-12-A 12 12
MBC41-14-10-A 14 10
MBC41-14-12-A 14 12
MBC41-14-14-A 14 14
MBC41-15-10-A 15 10
MBC41-15-12-A 15 12
MBC41-15-14-A 15 14
MBC41-15-15-A 15 15
MBC41-16-10-A 16 10
MBC41-16-12-A 16 12
MBC41-16-14-A 16 14
MBC41-16-15-A 16 15
MBC41-16-16-A 16 16
MBC41-20-10-A 20 10
MBC41-20-12-A 20 12
MBC41-20-14-A 20 14
MBC41-20-15-A 20 15
MBC41-20-16-A 20 16
MBC41-20-20-A 20 20
MBC51 12mm to 25mm 50.8 58.7 20.55 M5 45.2 108
2° 0.25 0.50
MBC51-12-12-A 12 12 50.8 58.7 20.55 M5 45.2 108
2° 0.25 0.50
MBC51-14-12-A 14 12
MBC51-14-14-A 14 14
MBC51-15-12-A 15 12
MBC51-15-14-A 15 14
MBC51-15-15-A 15 15
MBC51-16-12-A 16 12
MBC51-16-14-A 16 14
MBC51-16-15-A 16 15
MBC51-16-16-A 16 16
MBC51-20-12-A 20 12
MBC51-20-14-A 20 14
MBC51-20-15-A 20 15
MBC51-20-16-A 20 16
MBC51-20-20-A 20 20
MBC51-25-12-A 25 12
MBC51-25-14-A 25 14
MBC51-25-15-A 25 15
MBC51-25-16-A 25 16
MBC51-25-20-A 25 20
MBC51-25-25-A 25 25

 

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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