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Couplings/Oldham/Large Shaft Diameter

Part Number

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Couplings/Oldham/Large Shaft Diameter:Related Image
Operating Temperature: -20°C ~ 80°C
Tolerances for d1 and d2 are values before slit machining.
The lateral, angular, and axial misalignment values shown are for each occurring individually. When multiple misalignments are occurring simultaneously, the allowable maximum value of each will be reduced to 1/2. When multiple misalignments are occurring simultaneously, the allowable maximum value of each will be reduced to 1/2.
For the selection criteria and alignment procedures, see >> P.1061

ShapeStandard BoreKeywayed BoreMaterialAccessory
d1 (One Side)d2 (One Side)d1, d2 (Both Sides)HubSpacer
Set ScrewMFJ--MFJWKAluminum AlloyPolyacetalSet Screw
ClampingMFJCMFJCLKMFJCRKMFJCWKHex Socket Head Cap Screw

Specifications

Part Number-Shaft Bore Dia. d1-Shaft Bore Dia. d2
MFJ44-15-20
MFJCWK70-22-35
■Set Screw
Part Numberd1, d2 Selection (d1≤d2)d3LFSet ScrewUnit Price
TypeDMTightening Torque (N • m)MFJMFJWK
MFJ
MFJWK
44141516182022      22.546157.5M 67.0   
55   1820222526    2857199.5M 815.0   
70     2225 2830353839772512.5M1030.0   

■Clamping
Part Numberd1, d2 Selection (d1≤d2)d3LFAClamp ScrewUnit Price
TypeDMTightening Torque (N • m)MFJCMFJCLK
MFJCRK
MFJCWK
MFJC
MFJCLK
MFJCRK
MFJCWK
441415161820     22.546157.514.5M5*8.4   
55   18202225   2857199.517M6*14.4   
70     222528303539772512.524M8*30.0   
* When the shaft diameter is small, clamp screw tightening torque should be higher than the prescribed value to prevent shaft slipping. The above tightening torque is for reference.
Part NumberAllowable Torque (N • m)Angular Misalignment (°)Lateral Misalignment (mm)Static Torsional Spring Constant (N • m/rad)Max. Rotational Speed (r/min)Moment of Inertia (kg • m2)Allowable Axial Misalignment (mm)Mass (g)
TypeDSet ScrewClamping
Set Screw
MFJ
MFJWK

Clamping
MFJC
MFJCLK
MFJCRK
MFJCWK
443026211500120004 x10-5±0.5140
5545401.528001000011 x10-5±0.6260
70807224800800040 x10-5±0.8450
The allowable torque varies depending on temperatureP.1062

Alterations

Couplings/Oldham/Large Shaft Diameter:Related Image

Part Number:  

  • Incomplete part number.
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Part Number
MFJ44-[14,​15,​16,​18,​20,​22]-[14,​15,​16,​18,​20,​22]
MFJ44-[14,​15,​16,​18,​20,​22]-RDC[14-22/0.1]
MFJ44-LDC[14-22/0.1]-[14,​15,​16,​18,​20,​22]
MFJ44-LDC[14-22/0.1]-RDC[14-22/0.1]
MFJ55-[18,​20,​22,​25,​26]-[18,​20,​22,​25,​26]
MFJ55-[18,​20,​22,​25,​26]-RDC[18-26/0.1]
MFJ55-LDC[18-26/0.1]-[18,​20,​22,​25,​26]
MFJ55-LDC[18-26/0.1]-RDC[18-26/0.1]
MFJ70-[22,​25,​28,​30,​35,​38]-[22,​25,​28,​30,​35,​38]
MFJ70-[22,​25,​28,​30,​35,​38]-RDC[22-38/0.1]
MFJ70-LDC[22-38/0.1]-[22,​25,​28,​30,​35,​38]
MFJ70-LDC[22-38/0.1]-RDC[22-38/0.1]
MFJC44-[14,​15,​16,​18,​20]-[14,​15,​16,​18,​20]
MFJC44-[14,​15,​16,​18,​20]-RDC[14-20/0.1]
MFJC44-LDC[14-20/0.1]-[14,​15,​16,​18,​20]
MFJC44-LDC[14-20/0.1]-RDC[14-20/0.1]
MFJC55-[18,​20,​22,​25]-[18,​20,​22,​25]
MFJC55-[18,​20,​22,​25]-RDC[18-25/0.1]
MFJC55-LDC[18-25/0.1]-[18,​20,​22,​25]
MFJC55-LDC[18-25/0.1]-RDC[18-25/0.1]
MFJC70-[22,​25,​28,​30,​35]-[22,​25,​28,​30,​35]
MFJC70-[22,​25,​28,​30,​35]-RDC[22-35/0.1]
MFJC70-LDC[22-35/0.1]-[22,​25,​28,​30,​35]
MFJC70-LDC[22-35/0.1]-RDC[22-35/0.1]
MFJCLK44-[14,​15,​16,​18,​20]-[14,​15,​16,​18,​20]
MFJCLK44-[14,​15,​16,​18,​20]-RDC[14-20/0.1]
MFJCLK44-LDC[14-20/0.1]-[14,​15,​16,​18,​20]
MFJCLK44-LDC[14-20/0.1]-RDC[14-20/0.1]
MFJCLK55-[18,​20,​22,​25]-[18,​20,​22,​25]
MFJCLK55-[18,​20,​22,​25]-RDC[18-25/0.1]
MFJCLK55-LDC[18-25/0.1]-[18,​20,​22,​25]
MFJCLK55-LDC[18-25/0.1]-RDC[18-25/0.1]
MFJCLK70-[22,​25,​28,​30,​35]-[22,​25,​28,​30,​35]
MFJCLK70-[22,​25,​28,​30,​35]-RDC[22-35/0.1]
MFJCLK70-LDC[22-35/0.1]-[22,​25,​28,​30,​35]
MFJCLK70-LDC[22-35/0.1]-RDC[22-35/0.1]
MFJCRK44-[14,​15,​16,​18,​20]-[14,​15,​16,​18,​20]
MFJCRK44-[14,​15,​16,​18,​20]-RDC[14-20/0.1]
MFJCRK44-LDC[14-20/0.1]-[14,​15,​16,​18,​20]
MFJCRK44-LDC[14-20/0.1]-RDC[14-20/0.1]
MFJCRK55-[18,​20,​22,​25]-[18,​20,​22,​25]
MFJCRK55-[18,​20,​22,​25]-RDC[18-25/0.1]
MFJCRK55-LDC[18-25/0.1]-[18,​20,​22,​25]
MFJCRK55-LDC[18-25/0.1]-RDC[18-25/0.1]
MFJCRK70-[22,​25,​28,​30,​35]-[22,​25,​28,​30,​35]
MFJCRK70-[22,​25,​28,​30,​35]-RDC[22-35/0.1]
MFJCRK70-LDC[22-35/0.1]-[22,​25,​28,​30,​35]
MFJCRK70-LDC[22-35/0.1]-RDC[22-35/0.1]
MFJCWK44-[14,​15,​16,​18,​20]-[14,​15,​16,​18,​20]
MFJCWK44-[14,​15,​16,​18,​20]-RDC[14-20/0.1]
MFJCWK44-LDC[14-20/0.1]-[14,​15,​16,​18,​20]
MFJCWK44-LDC[14-20/0.1]-RDC[14-20/0.1]
MFJCWK55-[18,​20,​22,​25]-[18,​20,​22,​25]
MFJCWK55-[18,​20,​22,​25]-RDC[18-25/0.1]
MFJCWK55-LDC[18-25/0.1]-[18,​20,​22,​25]
MFJCWK55-LDC[18-25/0.1]-RDC[18-25/0.1]
MFJCWK70-[22,​25,​28,​30,​35]-[22,​25,​28,​30,​35]
MFJCWK70-[22,​25,​28,​30,​35]-RDC[22-35/0.1]
MFJCWK70-LDC[22-35/0.1]-[22,​25,​28,​30,​35]
MFJCWK70-LDC[22-35/0.1]-RDC[22-35/0.1]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountShipping Days?RoHSAllowable Torque Range
(N•m)
Shaft Bore Dia. 1 d1 (or d)
(Ø)
Shaft Bore Dia. 2 d2 (or d)
(Ø)
O.D. D
(Ø)
Overall Length
(mm)
Max. Rotational Speed Range
(r/min)
Allowable Torque
(N•m)
Max. Rotational Speed
(r/min)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(mm)
Allowable Axial Misalignment
(mm)
Moment of Inertia
(kg・m2)
Shaft Bore Shape Shaft Tightening Method Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment

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1 15 Days 1020.01 to 50.0014 ~ 2214 ~ 22444610,001 to 78,00030120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesSet Screws--

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1 15 Days 1020.01 to 50.0014 ~ 22-444610,001 to 78,00030120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesSet Screws-14 ~ 22

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1 15 Days 1020.01 to 50.00-14 ~ 22444610,001 to 78,00030120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesSet Screws14 ~ 22-

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1 15 Days 1020.01 to 50.00--444610,001 to 78,00030120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesSet Screws14 ~ 2214 ~ 22

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1 15 Days 1020.01 to 50.0018 ~ 2618 ~ 2655574,001 to 10,00045100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesSet Screws--

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1 15 Days 1020.01 to 50.0018 ~ 26-55574,001 to 10,00045100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesSet Screws-18 ~ 26

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1 15 Days 1020.01 to 50.00-18 ~ 2655574,001 to 10,00045100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesSet Screws18 ~ 26-

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1 15 Days 1020.01 to 50.00--55574,001 to 10,00045100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesSet Screws18 ~ 2618 ~ 26

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1 15 Days 1050.01 to 100.0022 ~ 3822 ~ 3870774,001 to 10,0008080001.1 to 3.02+0.8/-0.840x10-5Standard HolesSet Screws--

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1 15 Days 1050.01 to 100.0022 ~ 38-70774,001 to 10,0008080001.1 to 3.02+0.8/-0.840x10-5Standard HolesSet Screws-22 ~ 38

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1 15 Days 1050.01 to 100.00-22 ~ 3870774,001 to 10,0008080001.1 to 3.02+0.8/-0.840x10-5Standard HolesSet Screws22 ~ 38-

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1 15 Days 1050.01 to 100.00--70774,001 to 10,0008080001.1 to 3.02+0.8/-0.840x10-5Standard HolesSet Screws22 ~ 3822 ~ 38

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1 15 Days 1020.01 to 50.0014 ~ 2014 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesClamping--

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1 15 Days 1020.01 to 50.0014 ~ 20-444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesClamping-14 ~ 20

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1 15 Days 1020.01 to 50.00-14 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesClamping14 ~ 20-

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1 15 Days 1020.01 to 50.00--444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Standard HolesClamping14 ~ 2014 ~ 20

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1 15 Days 1020.01 to 50.0018 ~ 2518 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesClamping--

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1 15 Days 1020.01 to 50.0018 ~ 25-55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesClamping-18 ~ 25

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1 15 Days 1020.01 to 50.00-18 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesClamping18 ~ 25-

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1 15 Days 1020.01 to 50.00--55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Standard HolesClamping18 ~ 2518 ~ 25

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1 15 Days 1050.01 to 100.0022 ~ 3522 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Standard HolesClamping--

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1 15 Days 1050.01 to 100.0022 ~ 35-70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Standard HolesClamping-22 ~ 35

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1 15 Days 1050.01 to 100.00-22 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Standard HolesClamping22 ~ 35-

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1 15 Days 1050.01 to 100.00--70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Standard HolesClamping22 ~ 3522 ~ 35

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1 15 Days 1020.01 to 50.0014 ~ 2014 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1 SideClamping--

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1 15 Days 1020.01 to 50.0014 ~ 20-444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1 SideClamping-14 ~ 20

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1 15 Days 1020.01 to 50.00-14 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1 SideClamping14 ~ 20-

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1 15 Days 1020.01 to 50.00--444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1 SideClamping14 ~ 2014 ~ 20

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1 15 Days 1020.01 to 50.0018 ~ 2518 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1 SideClamping--

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1 15 Days 1020.01 to 50.0018 ~ 25-55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1 SideClamping-18 ~ 25

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1 15 Days 1020.01 to 50.00-18 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1 SideClamping18 ~ 25-

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1 15 Days 1020.01 to 50.00--55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1 SideClamping18 ~ 2518 ~ 25

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1 15 Days 1050.01 to 100.0022 ~ 3522 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1 SideClamping--

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1 15 Days 1050.01 to 100.0022 ~ 35-70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1 SideClamping-22 ~ 35

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1 15 Days 1050.01 to 100.00-22 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1 SideClamping22 ~ 35-

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1 15 Days 1050.01 to 100.00--70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1 SideClamping22 ~ 3522 ~ 35

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1 15 Days 1020.01 to 50.0014 ~ 2014 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d2 SideClamping--

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1 15 Days 1020.01 to 50.0014 ~ 20-444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d2 SideClamping-14 ~ 20

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1 15 Days 1020.01 to 50.00-14 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d2 SideClamping14 ~ 20-

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1 15 Days 1020.01 to 50.00--444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d2 SideClamping14 ~ 2014 ~ 20

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1 15 Days 1020.01 to 50.0018 ~ 2518 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d2 SideClamping--

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1 15 Days 1020.01 to 50.0018 ~ 25-55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d2 SideClamping-18 ~ 25

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1 15 Days 1020.01 to 50.00-18 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d2 SideClamping18 ~ 25-

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1 15 Days 1020.01 to 50.00--55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d2 SideClamping18 ~ 2518 ~ 25

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1 15 Days 1050.01 to 100.0022 ~ 3522 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d2 SideClamping--

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1 15 Days 1050.01 to 100.0022 ~ 35-70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d2 SideClamping-22 ~ 35

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1 15 Days 1050.01 to 100.00-22 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d2 SideClamping22 ~ 35-

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1 15 Days 1050.01 to 100.00--70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d2 SideClamping22 ~ 3522 ~ 35

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1 15 Days 1020.01 to 50.0014 ~ 2014 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1/d2 SideClamping--

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1 15 Days 1020.01 to 50.0014 ~ 20-444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1/d2 SideClamping-14 ~ 20

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1 15 Days 1020.01 to 50.00-14 ~ 20444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1/d2 SideClamping14 ~ 20-

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1 15 Days 1020.01 to 50.00--444610,001 to 78,00026120000.41 to 1.01+0.5/-0.54 x10-5Hole with Keyway d1/d2 SideClamping14 ~ 2014 ~ 20

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1 15 Days 1020.01 to 50.0018 ~ 2518 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1/d2 SideClamping--

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1 15 Days 1020.01 to 50.0018 ~ 25-55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1/d2 SideClamping-18 ~ 25

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1 15 Days 1020.01 to 50.00-18 ~ 2555574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1/d2 SideClamping18 ~ 25-

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1 15 Days 1020.01 to 50.00--55574,001 to 10,00040100001.1 to 3.01.5+0.6/-0.611x10-5Hole with Keyway d1/d2 SideClamping18 ~ 2518 ~ 25

-

1 15 Days 1050.01 to 100.0022 ~ 3522 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1/d2 SideClamping--

-

1 15 Days 1050.01 to 100.0022 ~ 35-70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1/d2 SideClamping-22 ~ 35

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1 15 Days 1050.01 to 100.00-22 ~ 3570774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1/d2 SideClamping22 ~ 35-

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1 15 Days 1050.01 to 100.00--70774,001 to 10,0007280001.1 to 3.02+0.8/-0.840x10-5Hole with Keyway d1/d2 SideClamping22 ~ 3522 ~ 35

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Basic information

Series Name Oldham Type Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Application Standard
Features High Torque Type / Low Moment of Inertia Body Material Aluminum Category Coupling Main Body
Allowable Angular Misalignment(deg) 2 Buffer Part Material Polyacetal Operating Temperature(°C) -20::80

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