Product Information

SFS Models Specifications

SFS (S) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Angular[°]Axial[mm]
SFS-05S201±0.62500016000430.11×10-30.30
SFS-06S401±0.82000029000450.30×10-30.50
SFS-08S801±1.01700083000600.87×10-31.00
SFS-09S1801±1.2150001700001221.60×10-31.40
SFS-10S2501±1.4130002500001602.60×10-32.10
SFS-12S4501±1.6110004300001976.50×10-33.40
SFS-14S8001±1.895007800003139.90×10-34.90

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFSFKM
Pilot boreMin.Max.
SFS-05S782056324520511244-M5×22
SFS-06S782568405625610304-M6×25
SFS-08S10113582546630611384-M6×29
SFS-09S10113894586830821424-M8×36
SFS-10S1516421046880351016484-M8×36
SFS-12S1819501267891401123544-M10×45
SFS-14S20226014488102451231614-M12×54

*Pilot bores are to be drilled into the part.

*The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05S
SFS-06S
SFS-08S
SFS-09S
SFS-10S
SFS-12S
SFS-14S

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information.

SFS (S-C) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Angular[°]Axial[mm]
SFS-05S-C151±0.62500016000430.11×10-30.30
SFS-06S-C301±0.82000029000450.30×10-30.50
SFS-08S-C601±1.01700083000600.87×10-31.00
SFS-09S-C1351±1.2150001700001221.60×10-31.40
SFS-10S-C1901±1.4130002500001602.60×10-32.10
SFS-12S-C3401±1.6110004300001976.50×10-33.40
SFS-14S-C6001±1.895007800003139.90×10-34.90

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFSFKM
Min.Max.
SFS-05S-C82056324520511244-M5×22
SFS-06S-C82568405625610304-M6×25
SFS-08S-C113582546630611384-M6×29
SFS-09S-C113894586830821424-M8×36
SFS-10S-C16421046880351016484-M8×36
SFS-12S-C19501267891401123544-M10×45
SFS-14S-C226014488102451231614-M12×54

*The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05S-C
SFS-06S-C
SFS-08S-C
SFS-09S-C
SFS-10S-C
SFS-12S-C
SFS-14S-C

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information.

SFS (W) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Parallel[mm]Angular[°]Axial[mm]
SFS-05W200.21(On one side)±1.2100008000210.14×10-30.40
SFS-06W400.31(On one side)±1.6800014000220.41×10-30.70
SFS-08W800.31(On one side)±2.0680041000301.10×10-31.30
SFS-09W1800.51(On one side)±2.4600085000612.20×10-32.10
SFS-10W2500.51(On one side)±2.85200125000803.60×10-32.80
SFS-12W4500.71(On one side)±3.24400215000989.20×10-34.90
SFS-14W8000.71(On one side)±3.9380039000015615.00×10-37.10

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFLPSFd3KM
Pilot boreMin.Max.
SFS-05W78205632582085420248-M5×15
SFS-06W782568407425126324308-M6×18
SFS-08W10113582548430126228388-M6×20
SFS-09W101138945898302281232428-M8×27
SFS-10W15164210468110352010734488-M8×27
SFS-12W181950126781274025111040548-M10×32
SFS-14W202260144881444530121546618-M12×38

*Pilot bores are to be drilled into the part.

*The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05W
SFS-06W
SFS-08W
SFS-09W
SFS-10W
SFS-12W
SFS-14W

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information.

SFS (W-C) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Parallel[mm]Angular[°]Axial[mm]
SFS-05W-C150.21(On one side)±1.2100008000210.14×10-30.40
SFS-06W-C300.31(On one side)±1.6800014000220.41×10-30.70
SFS-08W-C600.31(On one side)±2.0680041000301.10×10-31.30
SFS-09W-C1350.51(On one side)±2.4600085000612.20×10-32.10
SFS-10W-C1900.51(On one side)±2.85200125000803.60×10-32.80
SFS-12W-C3400.61(On one side)±3.24400215000989.20×10-34.90
SFS-14W-C6000.71(On one side)±3.6380039000015615.00×10-37.10

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFLPSFd3KM
Min.Max.
SFS-05W-C8205632582085420248-M5×15
SFS-06W-C82568407425126324308-M6×18
SFS-08W-C113582548430126228388-M6×20
SFS-09W-C1138945898302281232428-M8×27
SFS-10W-C164210468110352010734488-M8×27
SFS-12W-C1950126781274025111040548-M10×32
SFS-14W-C2260144881444530121546618-M12×38

*The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05W-C
SFS-06W-C
SFS-08W-C
SFS-09W-C
SFS-10W-C
SFS-12W-C
SFS-14W-C

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information.

SFS (G) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Parallel[mm]Angular[°]Axial[mm]
SFS-05G200.51(On one side)±1.2200008000210.20×10-30.50
SFS-06G400.51(On one side)±1.61600014000220.55×10-30.90
SFS-08G800.51(On one side)±2.01300041000301.50×10-31.70
SFS-09G1800.61(On one side)±2.41200085000612.90×10-32.40
SFS-10G2500.61(On one side)±2.810000125000804.60×10-33.30
SFS-12G4500.81(On one side)±3.280002150009811.80×10-35.80
SFS-14G8000.91(On one side)±3.6700039000015621.20×10-38.60

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFLSSFKM
Pilot boreMin.Max.
SFS-05G78205632742024511248-M5×22
SFS-06G78256840862524610308-M6×25
SFS-08G1011358254983026611388-M6×29
SFS-09G10113894581063030821428-M8×36
SFS-10G1516421046812035301016488-M8×36
SFS-12G1819501267814040381123548-M10×45
SFS-14G2022601448816045461231618-M12×54

*Pilot bores are to be drilled into the part.

*If you require a product with an LS dimension other than that above, contact Miki Pulley with your required dimension. Please contact Miki Pulley for assistance if LS ≧ 1000.

*The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05G
SFS-06G
SFS-08G
SFS-09G
SFS-10G
SFS-12G
SFS-14G

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information.

SFS (G-C) Types

[Specifications]

ModelRated torque[N・m]MisalignmentMax. rotation speed[min-1Torsional stiffness[N・m/rad]Axial stiffness[N/mm]Moment of inertia[kg・m2Mass[kg]
Parallel[mm]Angular[°]Axial[mm]
SFS-05G-C150.51(On one side)±1.2200008000210.20×10-30.50
SFS-06G-C300.51(On one side)±1.61600014000220.55×10-30.90
SFS-08G-C600.51(On one side)±2.01300041000301.50×10-31.70
SFS-09G-C1350.61(On one side)±2.41200085000612.90×10-32.40
SFS-10G-C1900.61(On one side)±2.810000125000804.60×10-33.30
SFS-12G-C3400.81(On one side)±3.280002150009811.80×10-35.80
SFS-14G-C6000.91(On one side)±3.6700039000015621.20×10-38.60

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

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

[Dimensions]

Unit [mm]
Modeld1・d2DNLLFLSSFKM
Pilot boreMin.Max.
SFS-05G-C78205632742024511248-M5×22
SFS-06G-C78256840862524610308-M6×25
SFS-08G-C1011358254983026611388-M6×29
SFS-09G-C10113894581063030821428-M8×36
SFS-10G-C1516421046812035301016488-M8×36
SFS-12G-C1819501267814040381123548-M10×45
SFS-14G-C2022601448816045461231618-M12×54

* If you require a product with an LS dimension other than that above, contact Miki Pulley with your required dimension. Please contact Miki Pulley for assistance if LS ≧ 1000.

* Please note that when the LS dimension exceeds 100 mm with the electroless nickel plating specification (SFS- □ G-C), the insertion length of the shaft cannot exceed the LS dimension.

* The nominal diameter of the reamer bolt M is equal to the quantity minus the nominal diameter of the screw threads times the nominal length.

[Standard bore diameter]

ModelStandard bore diameter d1・d2 [mm]
891011121415161718192022242528303235384042454850555660
SFS-05G-C
SFS-06G-C
SFS-08G-C
SFS-09G-C
SFS-10G-C
SFS-12G-C
SFS-14G-C

* Bore diameters marked with ● are supported as standard bore diameter. See the standard hole-drilling standards for information

【Standard Hole-Drilling Standards】

単位 [mm]
Models compliant with the old JIS standards (class 2)Models compliant with the new JIS standards (H9)Models compliant with the new JIS standards (JS9)
Nominal bore diameterBore diameter(d1・d2)Keyway height(W1・W2)Keyway height(T1・T2)Set screw hole(M)Nominal bore diameterBore diameter(d1・d2)Keyway height(W1・W2)Keyway height(T1・T2)Set screw hole(M)Nominal bore diameterBore diameter(d1・d2)Keyway height(W1・W2)Keyway height(T1・T2)Set screw hole(M)
ToleranceH7,H8E9+0.30ToleranceH7,H8H9+0.30ToleranceH7,H8JS9+0.30
88+0.02202-M48H8+0.02203+0.02509.42-M48J8+0.02203±0.01259.42-M4
99+0.02202-M49H9+0.02203+0.025010.42-M49J9+0.02203±0.012510.42-M4
1010+0.02202-M410H10+0.02203+0.025011.42-M410J10+0.02203±0.012511.42-M4
1111+0.01802-M411H11+0.01804+0.030012.82-M411J11+0.01804±0.015012.82-M4
1212+0.01804+0.050+0.02013.52-M412H12+0.01804+0.030013.82-M412J12+0.01804±0.015013.82-M4
1414+0.01805+0.050+0.020162-M414H14+0.01805+0.030016.32-M414J14+0.01805±0.015016.32-M4
1515+0.01805+0.050+0.020172-M415H15+0.01805+0.030017.32-M415J15+0.01805±0.015017.32-M4
1616+0.01805+0.050+0.020182-M416H16+0.01805+0.030018.32-M416J16+0.01805±0.015018.32-M4
1717+0.01805+0.050+0.020192-M417H17+0.01805+0.030019.32-M417J17+0.01805±0.015019.32-M4
1818+0.01805+0.050+0.020202-M418H18+0.01806+0.030020.82-M518J18+0.01806±0.015020.82-M5
1919+0.02105+0.050+0.020212-M419H19+0.02106+0.030021.82-M519J19+0.02106±0.015021.82-M5
2020+0.02105+0.050+0.020222-M420H20+0.02106+0.030022.82-M520J20+0.02106±0.015022.82-M5
2222+0.02107+0.061+0.025252-M622H22+0.02106+0.030024.82-M522J22+0.02106±0.015024.82-M5
2424+0.02107+0.061+0.025272-M624H24+0.02108+0.036027.32-M624J24+0.02108±0.018027.32-M6
2525+0.02107+0.061+0.025282-M625H25+0.02108+0.036028.32-M625J25+0.02108±0.018028.32-M6
2828+0.02107+0.061+0.025312-M628H28+0.02108+0.036031.32-M628J28+0.02108±0.018031.32-M6
3030+0.02107+0.061+0.025332-M630H30+0.02108+0.036033.32-M630J30+0.02108±0.018033.32-M6
3232+0.025010+0.061+0.02535.52-M832H32+0.025010+0.036035.32-M832J32+0.025010±0.018035.32-M8
3535+0.025010+0.061+0.02538.52-M835H35+0.025010+0.036038.32-M835J35+0.025010±0.018038.32-M8
3838+0.025010+0.061+0.02541.52-M838H38+0.025010+0.036041.32-M838J38+0.025010±0.018041.32-M8
4040+0.025010+0.061+0.02543.52-M840H40+0.025012+0.043043.32-M840J40+0.025012±0.021543.32-M8
4242+0.025012+0.075+0.03245.52-M842H42+0.025012+0.043045.32-M842J42+0.025012±0.021545.32-M8
4545+0.025012+0.075+0.03248.52-M845H45+0.025014+0.043048.82-M1045J45+0.025014±0.021548.82-M10
4848+0.025012+0.075+0.03251.52-M848H48+0.025014+0.043051.82-M1048J48+0.025014±0.021551.82-M10
5050+0.025012+0.075+0.03253.52-M850H50+0.025014+0.043053.82-M1050J50+0.025014±0.021553.82-M10
5555+0.030015+0.075+0.032602-M1055H55+0.030016+0.043059.32-M1055J55+0.030016±0.021559.32-M10
5656+0.030015+0.075+0.032612-M1056H56+0.030016+0.043060.32-M1056J56+0.030016±0.021560.32-M10
6060+0.030015+0.075+0.032652-M1060H60+0.030018+0.043064.42-M1060J60+0.030018±0.021564.42-M10

Models compliant with the new JIS standards (P9) Models compliant with the new motor standards
Nominal bore diameter Bore diameter(d1・d2) Keyway width(W1・W2) Keyway height(T1・T2) Set screw hole(M) Nominal bore diameter Bore diameter(d1・d2) Keyway width(W1・W2) Keyway height(T1・T2) Set screw hole(M)
>Tolerance H7,H8 P9 + 0.30 0 Tolerance H7,H8 H9 + 0.30 0
8P 8 +0.022 3-0.006-0.031 9.4 2-M4 14N 14+0.024+0.006 5+0.030 16.3 2-M4
9P 9 +0.022 3-0.006-0.031 10.4 2-M4 19N 19+0.028+0.007 6+0.030 21.8 2-M5
10P 10 +0.022 3-0.006-0.031 11.4 2-M4 24N 24+0.028+0.007 8+0.036 27.3 2-M6
11P 11+0.018 4-0.042-0.012 12.8 2-M4 28N 28+0.028+0.007 8+0.036 31.3 2-M6
12P 12 +0.018 4-0.042-0.012 13.8 2-M4 38N 38+0.050+0.025 10+0.036 41.3 2-M8
14P 14+0.018 5-0.042-0.012 16.3 2-M4 42N 42+0.050+0.025 12+0.043 45.3 2-M8
15P 15+0.018 5-0.042-0.012 17.3 2-M4 48N 48+0.050+0.025 14+0.043 51.8 2-M10
16P 16+0.018 5-0.042-0.012 18.3 2-M4 55N 55+0.060+0.030 16+0.043 59.3 2-M10
17P 17+0.018 5-0.042-0.012 19.3 2-M4 60N 60+0.060+0.030 18+0.043 64.4 2-M10
18P 18+0.018 6-0.042-0.012 20.8 2-M5
19P 19 +0.021 6-0.042-0.012 21.8 2-M5
20P 20 +0.021 6-0.042-0.012 22.8 2-M5
22P 22 +0.021 6-0.042-0.012 24.8 2-M5
24P 24 +0.021 8-0.051-0.015 27.3 2-M6
25P 25 +0.021 8-0.051-0.015 28.3 2-M6
28P 28 +0.021 8-0.051-0.015 31.3 2-M6
30P 30 +0.021 8-0.051-0.015 33.3 2-M6
32P 32 +0.025 10-0.051-0.015 35.3 2-M8
35P 35 +0.025 10-0.051-0.015 38.3 2-M8
38P 38 +0.025 10-0.051-0.015 41.3 2-M8
40P 40 +0.025 12-0.061-0.018 43.3 2-M8
42P 42 +0.025 12-0.061-0.018 45.3 2-M8
45P 45 +0.025 14-0.061-0.018 48.8 2-M10
48P 48 +0.025 14-0.061-0.018 51.8 2-M10
50P 50 +0.025 14-0.061-0.018 53.8 2-M10
55P 55 +0.030 16-0.061-0.018 59.3 2-M10
56P 56 +0.030 16-0.061-0.018 60.3 2-M10
60P 60 +0.030 18-0.061-0.018 64.4 2-M10

【Distance from Set Screw Edge】

Model Distance from set screw edge [mm]
SFS-05 7
SFS-06 9
SFS-08 10
SFS-09 10
SFS-10 12
SFS-12 12
SFS-14 15

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