U.S. Tsubaki Power Transmission, LLC
U.S. Tsubaki Holdings, Inc.
Corporate Headquarters
301 E. Marquardt Dr.
Wheeling, IL 60090 USA

Toll Free: 800.323.7790
Phone: 847.459.9500
Fax: 847.459.9515
Email: sales@ustsubaki.com
Website: www.ustsubaki.com
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The ATRA-FLEX® M-Series flexible couplings are designed to accommodate a wide range of industrial applications, offering a torque capacity up to 3,610,000 in-lbs and can handle shaft diameters up to 16 inches. These couplings feature a unique twist-and-lock ring that eliminates the need for fasteners or special tools, facilitating easy installation and maintenance. The rugged polyurethane insert effectively absorbs torsional shock and vibration while accommodating angular, parallel, and axial misalignment, thereby enhancing equipment longevity. Additionally, the couplings operate lubrication free, have no metal-to-metal contact and can withstand temperatures ranging from -60°F to 350°F. For applications requiring corrosion resistance, options include stainless steel components or a cost-effective nitrocarburized process known as OnyxShield™, as an alternative.

  • Unique twist-and-lock ring with a snap ring.
  • No lubrication is required.
  • Quick insert replacement, reducing maintenance cost and downtime.
  • Large torque capacity up to 3,610,000 in-lbs for a wide range of industrial applications.
  • Insert is the only wearing component with no metal-to-metal contact.
  • Polyurethane inserts are available in a range of hardness to meet most torsional stiffness and torque requirements.
  • Dampens torsional vibrations and absorbs shock loads.
  • Standard inserts have a temperature range from -60° to 250° Fahrenheit with high temperature inserts available up to 350°F.
  • OnyxShield™ couplings are available for enhanced corrosion and wear resistance.
Unidade de medida

Especificações

D1

 N/A 4.700 pol.

G

 N/A 4.575 pol.

MAXIMUM BORE

 N/A 2.250 pol.

RSB

 N/A 0.410 pol.

C1 (IDEAL DBSE)

 N/A 0.175 pol.

L

 N/A 2.048 pol.

D4 (FSSO)

 N/A 3.5 pol.

D3

 N/A 3.900 pol.

J1

 N/A 1.250 pol.

J2

 N/A 2.250 pol.

K

 N/A 1.635 pol.

E (GAP)

 N/A 0.075 pol.

Weight with RSB hubs

 N/A 10 lb

Max RPM Balanced G2.5 Standard

 N/A 8,800

Max RPM Unbalanced Standard

 N/A 5,800

Insert Type Yellow

Continuous Standard - Yellow

 N/A 3,000 lb·pol.

Intermittent Standard - Yellow

 N/A 5,000 lb·pol.

HP at 100 RPM Standard - Yellow

 N/A 4.76 SF1

Temperature [Max] Standard - Yellow

 N/A 250 °F

Temperature [Min] Standard - Yellow

 N/A -60 °F

Insert Type Orange

Continuous - Orange

 N/A 5,700 lb·pol.

Intermittent - Orange

 N/A 9,500 lb·pol.

Temp Rating - Orange

 N/A -20/250 °F

Durometer - Orange

 N/A 70D

Insert Type Red

Continuous - Red

 N/A 2,550 lb·pol.

Intermittent - Red

 N/A 4,250 lb·pol.

Temp Rating - Red

 N/A 20/350 °F

Durometer - Red

 N/A 90A

Insert Type Green

Continuous - Green

 N/A 1,463 lb·pol.

Intermittent - Green

 N/A 2,438 lb·pol.

Temp Rating - Green

 N/A -60/250 °F

Durometer - Green

 N/A 90A