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Curved Jaw Flexible Coupling

High Torsional Rigidity, High Torque, High Accuracy, High Durability, Low Inertia Moment, Small Size
● Coupling assembled by pressing a polyurethane sleeve into hubs on both sides
● Can absorb vibration, parallel, angular misalignments and shaft end-play
● Resistance to oil and eletrical insulation
● Identical clockwise and anticlockwise rotational characteristics
Brand Name:
Price: USD  15.3  EA

* Free shipping to North America and most of Europe for orders of $100 or more

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Free Exchange if the item has quality problems within 1 year. Learn more

Features

• Coupling assembled by pressing a polyurethane sleeve into hubs on both sides
• Can absorb vibration, parallel, angular misalignments and shaft end-play
• Resistance to oil and electrical insulation
• Identical clockwise and anticlockwise rotational characteristics
• Two different hardness sleeves are avaible
• Setscrew type
Curved Jaw Flexible Coupling

Ordering Information

  Curved Jaw Flexible Coupling Curved Jaw Flexible Coupling
  Example: LK20-20-6-6
LK20: Series NO, Material: Aluminum Alloy
20: Outside Diam: 20mm, Setscrew Type
6: d1 Bore: 6mm
6: d2 Bore: 6mm

Dimensions

Model Φd1Φd2 Max.Bore Φd L L1 L2 S L3 M Wrench Torque(N.m)
LK20-20-□□-□□ 10 20 30 10 8 1.0 5.0 M4 2.5
LK20-25-□□-□□ 12 25 34 11 10 1.0 5.0 M5 5
LK20-30-□□-□□ 16 30 35 11 10 1.5 5.0 M5 5
LK20-40S-□□-□□ 24 40 55 19.5 12 2.0 10 M6 8
LK20-40-□□-□□ 24 40 66 25 12 2.0 10 M6 8
LK20-55-□□-□□ 28 55 78 30 14 2.0 10 M6 8
LK20-65-□□-□□ 38 65 90 35 15 2.5 15 M8 20
LK20-80-□□-□□ 45 80 114 45 18 3.0 15 M8 20
LK20-95-□□-□□ 55 95 126 50 20 3.0 20 M10 40
LK20-105-□□-□□ 60 105 140 56 21 3.5 20 M12 75

Specifications

Model Rated Torque
(N.m)
Max. Torque
(N.m)
Max. Rotational
(rpm)
Morment 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)
LK20-20-□□-□□ 2.8 5.6 17000 9.3×10^-7 55 0.02 1 0∼+0.60 20.5
LK20-25-□□-□□ 6 12 16000 2.56×10^-6 63 0.02 1 0∼+0.60 36
LK20-30-□□-□□ 6.5 13 15000 5.22×10^-6 72 0.02 1 0∼+0.60 50
LK20-40S-□□-□□ 32 64 13000 2.26×10^-5 500 0.02 1 0∼+0.80 155
LK20-40-□□-□□ 32 64 13000 2.74×10^-5 550 0.02 1 0∼+0.80 159
LK20-55-□□-□□ 46 92 10500 8.71×10^-5 1500 0.02 1 0∼+0.80 401
LK20-65-□□-□□ 109 218 8300 2.67×10^-4 2800 0.02 1 0∼+0.80 696
LK20-80-□□-□□ 135 270 7000 8.05×10^-4 3500 0.02 1 0∼+1.00 1189
LK20-95-□□-□□ 260 520 6000 1.73×10^-3 4600 0.02 1 0∼+1.00 1932
LK20-105-□□-□□ 430 860 5500 2.9×10^-3 5800 0.02 1 0∼+1.00 2597

Compare Item Price
(USD)
Buy Now
LK20-20-6.35-6.35 $15.30
LK20-20-6.35-6 $15.30
LK20-20-6.35-5 $15.30
LK20-20-6.35-10 $15.30
LK20-20-5-5 $15.30
LK20-20-5-6 $15.30
LK20-20-5-8 $15.30
LK20-20-6-10 $15.30
LK20-20-6-9.525 $15.30
LK20-20-5-3 $15.30
LK20-20-5-4 $15.30
LK20-20-6.35-4 $15.30
 
 

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Considering all possible harsh application environments, MOONS' specially designed labels for each product, which pass water-resistance test, durability rub test, high temperature resistance and corrosion resistance tests.

Besides, our product labels are attached with QR code linking to product details, which is convenient for clients to view the detail product page with their mobile phones.

Note: This label design is suitable for products of stepper motor.

(Professional packing box and unique appearance design)

(Single item packed with EPE)

(Multi-products packed with another box)

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In order to ensure your shipments withstand the long trip and arrive safely and intact, MOONS' specially designed Individual package to pass the drop test with its stable structure.
Besides,the package is made from recyclable materials, providing you with professional safety delivery.
Whether just single item or multi-products the clients buy, all products are packed twice to avoid the damage further.

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For each case, products are carefully packed by experienced warehouse staff and the key processes are recorded by photos, which are then posted on our website, so that clients could clearly know the packing process and logistics status after placing order.

(Product in the box)

(Add the invoice)

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(The logistics waybill attached)

Fast Delivery

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MOONS' chooses DHL as our main international express shipping partner. As the world's leading logistics specialist, DHL provides our customers with fast and professional inter- national door-to-door delivery service.
Estimated Delivery Time: e.g. China-USA major cities 3 business days.

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Warehouse Management

MOONS’ has an experienced warehouse management team, all products and materials are clearly classified and neatly arranged.