Bellows Fllxible Coupling

MFB Setscrew Type

Merits


Configuration & Material

*Stock screws can be replaced with stainless steel screws. Please take advantage of our stainless steel screw option.
For more information please refer to Stainless Steel Screws [PDF 256KB].

Dimensions

unit:mm
Catalog
Number		 A L W E F M Wrench
Torque
(N·m)		 CAD DATA 2D CAD DATA 3D
MFB-12 12 7.5 23.5 7 2.5 M2.5 0.5 MFB12.dxf MFB12
MFB-16 16 9 26.5 9.5 3 M3 0.7 MFB16.dxf MFB16
MFB-20 20 10 33 12.5 3.5 M3 0.7 MFB20.dxf MFB20
MFB-25 25 12 36.5 15 4.5 M4 1.7 MFB25.dxf MFB25
MFB-32 32 13.5 42 21 5.5 M4 1.7 MFB32.dxf MFB32
MFBS-12 12 7.5 23.5 7 2.5 M2.5 0.5 MFBS12.dxf MFBS12
MFBS-16 16 9 26.5 9.5 3 M3 0.7 MFBS16.dxf MFBS16
MFBS-20 20 10 32 12.5 3.5 M3 0.7 MFBS20.dxf MFBS20
MFBS-25 25 12 36.5 15 4.5 M4 1.7 MFBS25.dxf MFBS25
MFBS-32 32 13.5 42 21 5.5 M4 1.7 MFBS32.dxf MFBS32

Specifications

Catalog
Number		 Max. Bore
(mm)		 Rated
Torque
(N·m)		 Max.
Torque
(N·m)		 Max. Rotational
Frequency
(min-1)		 Moment
of Inertia*
(kg·m2) 		Static Torsional
Stiffness
(N·m/rad)		 Errors of
Eccentricity
(mm)		 Errors of
Angularity
(°)		 Errors of
Shaft End-Play
(mm)		 Mass*
(g)
MFB-12 6.35 0.3 0.6 52000 9.0x10-8 82 0.1 1.5 -1.2~+0.4 4.1
MFB-16 8 0.5 1 39000 3.5x10-7 110 0.1 1.5 -1.2~+0.4 9
MFB-20 10 0.8 1.6 31000 9.9x10-7 180 0.15 2 -1.8~+0.6 16
MFB-25 12 1.3 2.6 25000 3.1x10-6 240 0.15 2 -1.8~+0.6 32
MFB-32 16 2 4 19000 9.2x10-6 330 0.2 2 -2.5~+0.8 57
MFBS-12 6.35 0.5 1 52000 2.1x10-7 100 0.1 1.5 -1.2~+0.4 9.1
MFBS-16 8 1 2 39000 8.0x10-7 150 0.1 1.5 -1.2~+0.4 20
MFBS-20 10 1.5 3 31000 2.3x10-6 220 0.15 2 -1.8~+0.6 37
MFBS-25 12 2 4 25000 7.0x10-6 330 0.15 2 -1.8~+0.6 73
MFBS-32 16 3 6 19000 2.1x10-5 490 0.2 2 -2.5~+0.8 130

*Adjustment of rated and maximum torque specifications for load fluctuations is not required.
For more detailed information, please refer to Selection Guidelines [PDF 171KB].
**Moment of inertia and mass figures based on maximum bore dimensions.

Stock Bores

Catalog
Number		 RoHS Stock Bores D1·D2
MFB-12 Compliant
MFB-16 Compliant
MFB-20 Compliant
MFB-25 Compliant
MFB-32 Compliant
MFBS-12 Compliant
MFBS-16 Compliant
MFBS-20 Compliant
MFBS-25 Compliant
MFBS-32 Compliant

●All products come with set screws (MFB/MFBS).
●Hubs with shaft bore diameters of φ4 or less have one setscrew.
●Tolerance of shaft bore on setscrew type is H8.
●Recommended tolerance for shaft diameters is h6 and h7.
●Bore and keyway modifications are available on request. Please take advantage of our bore modification services.
For more information please refer to Custom Bore Modifications [PDF 495KB].