Ameridrives (Zurn) Couplings
Amerigear®
METAL LABYRINTH SEAL COUPLINGS

The Fast® Coupling was the standard in the metals industry for decades. Ameridrives now offers the labyrinth/metal ring seal option for your coupling needs.

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As a leader in power transmission equipment for over 70 years, Ameridrives Couplings are the single source for all drive applications. Let us solve your Driveline Connections.
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F Size

  

Max Bore with Standard Key

 Load Capacity  

Maximum Speed RPM

  

Weight with Solid Hubs. lbs.
HP/100 RPM Torque in.-lbs. x 10³
1-1/2 1.63 27 17.0 12,000 16.5
2 2.13 50 31.5 9,300 27.4
2-1/2 2.75 90 56.7 7,900 48.0
3 3.13 160 101.0 6,800 70.8
3-1/2 3.75 235 148.0 6,000 113.0
4 4.25 375 236.0 5,260 177.0
4-1/2 4.75 505 318.0 4,770 231.0
5 5.50 700 441.0 4,300 351.0
5-1/2 5.88 920 580.0 3,880 435.0
6 6.50 1205 759.0 3,600 538.0
7 8.00 1840 1,160.0 3,000 860.0
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"Drop-In" Replacement for FAST® Coupling
FAST® Amerigear® FAST® Amerigear®
1-1/2 1-1/2 4-1/2 4-1/2
2 2 5 5
2-1/2 2-1/2 5-1/2 5-1/2
3 3 6 6
3-1/2 3-1/2 7 7
4 4    
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Specializing in:
• Flexible Gear Couplings
• Diaphragm Couplings NC Series
• Americardan Universal Joints
• Flexible Mill Spindles
• Metal Labyrinth Seal Couplings
• High Performance Class I Gear Couplings
• High Performance Multiple-convoluted Diaphragm Couplings
• Repair and Maintenance