Miki Pulley SFCDA2 Couplings Catalog

SFC-DA2 Types

Miki Pulley SFCDA2 Ordering Code

[Specifications]

ModelTypeRated torque
[N・m]
MisalignmentMax. rotation speed
[min-1]
Torsional stiffness
[N・m/rad]
Axial stiffness
[N/mm]
Moment of inertia
[kg・m2]
Mass[kg]
Parallel[mm]Angular[゜]Axial[mm]
SFC-002DA2C0.250.030.5(On one side)±0.081000095170.07×10-60.004
SFC-005DA2C0.60.050.5(On one side)±0.110000250700.37×10-60.010
SFC-010DA2C10.111(On one side)±0.210000700700.80×10-60.015
SFC-020DA2C20.151(On one side)±0.33100001850323.43×10-60.035
SFC-025DA2C40.161(On one side)±0.38100002800305.26×10-60.040
SFC-030DA2A50.181(On one side)±0.4100004000327.43×10-60.054
B9.45×10-60.060
C11.56×10-60.068
SFC-035DA2C100.241(On one side)±0.51000090005626.93×10-60.121
SFC-040DA2A120.241(On one side)±0.610000100004029.98×10-60.124
B35.82×10-60.131
C42.52×10-60.146
SFC-050DA2A250.281(On one side)±0.810000160002498.34×10-60.250
B118.9×10-60.268
C141.7×10-60.298
SFC-055DA2C400.311(On one side)±0.84100002500021.5261.3×10-60.459
SFC-060DA2A600.341(On one side)±0.9100003500038.2256.6×10-60.447
B315.7×10-60.489
C379.3×10-60.549
SFC-080DA2C1000.521(On one side)±1.101000070000641039×10-61.037
SFC-090DA2C1800.521(On one side)±1.301000050000541798×10-61.369
SFC-100DA2C2500.551(On one side)±1.48100006000055.52754×10-61.739

* Check the "Standard Bore Diameters" as rated torque may be restricted by the holding power of the shaft connection component.

* Max. rotation speed does not take into account dynamic balance.

* Torsional stiffness values given are measured values for the element alone

* The moment of inertia and mass are measured for the maximum bore diameter.

[Dimensions]

Unit [mm]
ModelTyped1[mm]d2[mm]D[mm]DB[mm]N[mm]L[mm]LF[mm]LP[mm]S[mm]A1[mm]A2[mm]C[mm]d3[mm]K[mm]M
Qty - Nominal dia
Tightening torque[N・m]
Min.Max.Min.Max.
SFC-002DA2C35351212.415.75.92.80.553.71.95.25.61-M1.60.23~0.28
SFC-005DA2C36361623.27.855.514.82.56.56.51-M20.4~0.5
SFC-010DA2C38381925.99.155.51.055.8(6)3.158.58.51-M2.5(M2)1.0~1.1(0.4~0.5)
SFC-020DA2C4104112632.310.757.51.659.53.310.610.61-M2.51.0~1.1
SFC-025DA2C5145142932.810.757.51.9113.31514.51-M2.51.0~1.1
SFC-030DA2A5105103421.637.812.482.583.751514.51-M31.5~1.9
B510Over 1016812.5
COver 1014Over 101612.5
SFC-035DA2C616619394815.5113144.517171-M43.4~4.1
SFC-040DA2A8158154429.64815.5113114.52019.51-M43.4~4.1
B815Over 15241117
COver 1519Over 152417
SFC-050DA2A819819563859.820.5142.414.5626261-M57.0~8.5
B819Over 193014.522
COver 1925Over 193022
SFC-055DA2C103010306368.72415.52.6237.7531311-M614~15
SFC-060DA2A11241124684673.325.216.53.217.57.7531311-M614~15
B1124Over 243517.526.5
COver 2430Over 243526.5
SFC-080DA2C1835184082983022828940381-M827~30
SFC-090DA2C254025459498.630228.334947421-M827~30
SFC-100DA2C32453245104101.630229.839950481-M827~30

* The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub.

* The K dimension is the inner diameter of the element. For d2 dimension exceeding this value, shaft can be inserted only up to LF dimension to the d2 side hub.

* The nominal diameter for the clamping bolt M is equal to the quantity minus the nominal diameter of the screw threads, where the quantity is for a hub on one side.

* The figures in parentheses ( ) for the SFC-010 are the values when d1 or d2 is ø8 mm.

[Standard bore diameter]

Standard (option) bore diameter, d1/d2 [mm] and restricted rated torque [N∙m]
Nominal bore diameter34566.357899.52510111213141516171819202224252830323538404245
Shaft toleranceh7(h6・g6)B
j6(Option)J
k6(Option)K
Supported
bore
diameter
for
each
mode
SFC-002DA2d1
d2
SFC-005DA2d1
d2
SFC-010DA2d1
d2
SFC-020DA2d1
d2
SFC-025DA2d1 2.1
d22.1
SFC-030DA2d1 2.83.4
d22.83.4
SFC-035DA2d1 556.6
d2556.6
SFC-040DA2d1 9
d29
SFC-050DA2d1 18202222
d218202222
SFC-055DA2d1 31343638
d231343638
SFC-060DA2d1 5051
d25051
SFC-080DA2d1
d2
SFC-090DA2d1
d2
SFC-100DA2d1 226
d2226

* The shaft tolerance for standard bore diameter is h7 (h6 or g6): designation B. However, for a shaft diameter of ø35, the tolerance is + 0.010~-0.025 .

* Shaft tolerances j6/k6: designations J/K are optional, and are only supported for bore diameters marked with ○ .

* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult Miki Pulley regarding special arrangements which may be possible for other bore diameters.

* Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].