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Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).

Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).

Features
Low restoring forces on coupled shafts
Easy installation
Light weight and low moment of inertia

Design
Two clamping hubs concentrically mounted to flexible bellows.

Material
Bellows: high grade stainless steel
Hubs: aluminum

Advantage
Precise and well-balanced transmission with zero backlash


Pilot bore parts can be found on the metric page here.


Part Number
MK2/5/25/3.175/3.175
MK2/5/25/3.175/4.76
MK2/5/25/3.175/6.35
MK2/5/25/4.76/4.76
MK2/5/25/4.76/6.35
MK2/5/25/6.35/6.35
MK2/5/28/3.175/3.175
MK2/5/28/3.175/4.76
MK2/5/28/3.175/6.35
MK2/5/28/4.76/4.76
MK2/5/28/4.76/6.35
MK2/5/28/6.35/6.35
MK2/5/31/3.175/3.175
MK2/5/31/3.175/4.76
MK2/5/31/3.175/6.35
MK2/5/31/4.76/4.76
MK2/5/31/4.76/6.35
MK2/5/31/6.35/6.35
MK2/10/27/3.175/3.175
MK2/10/27/3.175/4.76
MK2/10/27/3.175/6.35
MK2/10/27/4.76/4.76
MK2/10/27/4.76/6.35
MK2/10/27/6.35/6.35
MK2/10/30/3.175/3.175
MK2/10/30/3.175/4.76
MK2/10/30/3.175/6.35
MK2/10/30/4.76/4.76
MK2/10/30/4.76/6.35
MK2/10/30/6.35/6.35
MK2/10/33/3.175/3.175
MK2/10/33/3.175/4.76
MK2/10/33/3.175/6.35
MK2/10/33/4.76/4.76
MK2/10/33/4.76/6.35
MK2/10/33/6.35/6.35
Part NumberMinimum order quantityVolume DiscountDays to Ship Allowable Torque Range
(N•m)
Outer Dia. A
(Ø)
Overall Length W
(mm)
Allowable Torque
(N•m)
Allowable Angular Misalignment
(deg)
Allowable Lateral Misalignment Range
(mm)
Allowable Lateral Misalignment
(mm)
Moment of Inertia
(kg・m2)
For Shaft Size D1
(inch)
For Shaft Size D2
(inch)
Size
1 Piece(s)

5 Days

0.05~1.0015250.510.02~0.20.150.0000000051/81/85
1 Piece(s)

21 Days

0.05~1.0015250.510.02~0.20.150.0000000051/83/165
1 Piece(s)

5 Days

0.05~1.0015250.510.02~0.20.150.0000000051/81/45
1 Piece(s)

21 Days

0.05~1.0015250.510.02~0.20.150.0000000053/163/165
1 Piece(s)

21 Days

0.05~1.0015250.510.02~0.20.150.0000000053/161/45
1 Piece(s)

5 Days

0.05~1.0015250.510.02~0.20.150.0000000051/41/45
1 Piece(s)

5 Days

0.05~1.0015280.51.50.02~0.20.20.0000000051/81/85
1 Piece(s)

21 Days

0.05~1.0015280.51.50.02~0.20.20.0000000051/83/165
1 Piece(s)

5 Days

0.05~1.0015280.51.50.02~0.20.20.0000000051/81/45
1 Piece(s)

21 Days

0.05~1.0015280.51.50.02~0.20.20.0000000053/163/165
1 Piece(s)

21 Days

0.05~1.0015280.51.50.02~0.20.20.0000000053/161/45
1 Piece(s)

5 Days

0.05~1.0015280.51.50.02~0.20.20.0000000051/41/45
1 Piece(s)

5 Days

0.05~1.0015310.520.21~0.400.250.0000000051/81/85
1 Piece(s)

21 Days

0.05~1.0015310.520.21~0.400.250.0000000051/83/165
1 Piece(s)

5 Days

0.05~1.0015310.520.21~0.400.250.0000000051/81/45
1 Piece(s)

21 Days

0.05~1.0015310.520.21~0.400.250.0000000053/163/165
1 Piece(s)

21 Days

0.05~1.0015310.520.21~0.400.250.0000000053/161/45
1 Piece(s)

5 Days

0.05~1.0015310.520.21~0.400.250.0000000051/41/45
1 Piece(s)

5 Days

0.05~1.001527110.02~0.20.150.000000031/81/810
1 Piece(s)

21 Days

0.05~1.001527110.02~0.20.150.000000031/83/1610
1 Piece(s)

5 Days

0.05~1.001527110.02~0.20.150.000000031/81/410
1 Piece(s)

21 Days

0.05~1.001527110.02~0.20.150.000000033/163/1610
1 Piece(s)

21 Days

0.05~1.001527110.02~0.20.150.000000033/161/410
1 Piece(s)

5 Days

0.05~1.001527110.02~0.20.150.000000031/41/410
1 Piece(s)

5 Days

0.05~1.00153011.50.02~0.20.20.000000031/81/810
1 Piece(s)

21 Days

0.05~1.00153011.50.02~0.20.20.000000031/83/1610
1 Piece(s)

5 Days

0.05~1.00153011.50.02~0.20.20.000000031/81/410
1 Piece(s)

21 Days

0.05~1.00153011.50.02~0.20.20.000000033/163/1610
1 Piece(s)

21 Days

0.05~1.00153011.50.02~0.20.20.000000033/161/410
1 Piece(s)

5 Days

0.05~1.00153011.50.02~0.20.20.000000031/41/410
1 Piece(s)

5 Days

0.05~1.001533120.21~0.400.250.000000031/81/810
1 Piece(s)

21 Days

0.05~1.001533120.21~0.400.250.000000031/83/1610
1 Piece(s)

5 Days

0.05~1.001533120.21~0.400.250.000000031/81/410
1 Piece(s)

21 Days

0.05~1.001533120.21~0.400.250.000000033/163/1610
1 Piece(s)

21 Days

0.05~1.001533120.21~0.400.250.000000033/161/410
1 Piece(s)

5 Days

0.05~1.001533120.21~0.400.250.000000031/41/410

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Basic Information

Type Bellows Type Max. Rotational Speed Range(r/min) 4001~10000 Feature No Backlash / Low Moment of Inertia
Body Material Aluminum Max. Rotational Speed(r/min) 10,000 Bellows Part Material Stainless Steel
Operating Temperature Range(℃) -30::100 Fit Length (mm)(mm) 13 Torsional Stiffness (N-m/rad)(N-m/rad) 7
Tightening Torque of the Fastening Screw (N-m)(N-m) 4

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