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Bore Dia. (A) 
The internal diameter measurement at position A
Bore Dia. (B) The internal diameter measurement at position B
Horse Power @ 1750 RPM The power output measured at 1750 revolutions per minute
D Ref. Reference measurement D
E Ref. Reference measurement E
Torque Rating The maximum torque capacity rating
C Measurement point C
F Measurement point F
Dynaflex® Couplings
For Low Frequency Vibration Isolation and Misalignment Accommodation
Compact, one-piece flexible couplings economically constructed to isolate low-frequency vibration and accommodate multi-directional misalignment.
Large Selection of Standard Sizes
Fractional horsepower couplings are available in a range of sizes to permit matching a specific coupling to your application.
Standard Construction:
- Hubs – steel
- Bores – as listed
- Set Screws – one per hub furnished but not installed
- Flexing Element – neoprene
Compact, one-piece coupling construction is convenient for small equipment with fractional horsepower requirements. Torsional deflection at rated torque assures excellent vibration isolation. Specified torque rating allows 15° angular deflection for excellent vibration isolation.
Max. recommended Misalignments: 1/32 in. parallel, 2° angular.
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Item #
Bore Dia. A (in)
Bore Dia. B (in)
Horse Power @ 1750 RPM (hp)
D Ref. (in)
E Ref. (in)
Torque Rating (lb·in)
C (in)
F (in)
Actions
J-1211-6-14
0.625
0.75
3/4
1.81
1.05
30
1.38
2.69
J-1211-6-18
0.625
0.625
3/4
1.81
1.05
30
1.38
2.69
J-1211-6-10
0.5
0.75
3/4
1.81
1.05
30
1.38
2.69
J-1211-6-12
0.5
1/2
3/4
1.81
1.05
30
1.38
2.69
J-1211-7-3
1.0
1
1
2
1.11
40
1.5
2.88
J-1211-5-2
0.625
0.625
1/2
1.63
1
20
1.13
2.5
J-1211-5-4
0.5
0.75
1/2
1.63
1
20
1.13
2.5
J-1211-5-8
0.5
0.625
1/2
1.63
1
20
1.13
2.5
J-1211-5-3
0.5
1/2
1/2
1.63
1
20
1.13
2.5
J-1211-4-1
0.625
0.625
1/3
1.38
0.91
13
1
2.25
J-1211-4-4
0.5
0.625
1/3
1.38
0.91
13
1
2.25
J 1211-4-14
0.5
1/2
1/3
1.38
0.91
13
1
2.25
J-1211-4-11
0.375
0.625
1/3
1.38
0.91
13
1
2.25
J-1211-4-35
0.375
1/2
1/3
1.38
0.91
13
1
2.25
J-1211-4-2
0.375
3/8
1/3
1.38
0.91
13
1
2.25
1 Categories / 45 Parts
