Series 57 Key Features.

Standard Design:

  • Ultra-high strength stainless spring steel discs
  • Standard metric 12.9 hardware for easy maintenance
  • AGMA Class 9 as manufactured (see how we accomplish this)
  • 4140 alloy material for cold weather applications

Optional Features:

Download 47/57 Installation Manual

Diagram Series 57

Series 57 Competitive Replacement Guides.

Series 57 Competitive Replacement Guide

View the guide to properly identifying the PSC Coupling size to replace your current disc coupling brand. Custom options are also available to meet your exact needs.

View Replacement Guide

Torque Density Comparison: Rexnord Thomas

See how competitor couplings can weigh 3x as much as the comparable PSC model which offers lower mass, better balance, and allows for much longer life of connected equipment.

View Comparison Guide

Series 57 Specific Details.

SizeContinuous Torque (in-lbs)Continuous Torque (Nm)Peak Torque (in-lbs)Peak Torque (Nm)Max Bore (in)Max Bore (mm)Max Bore Reverse Block Hub (in)Max Bore Reverse Block Hub (mm)Max Angular Misalignment (deg )Max Axial Misalignment (in)Max
RPM
AGMA 9
Max
RPM
AGMA 10
Max
RPM
AGMA 11
5163,0003394,0004521.50382.63670.5+/- 0.0184,80020,00038,000
6967,0007919,3331,0552.00523.38860.5+/- 0.0244,80015,00029,000
90616,0001,80821,3332,4102.50654.251080.5+/- 0.0314,80012,00022,500
105833,0003,72844,0004,9713.00805.001270.5+/- 0.0363,60010,00019,000
135866,0007,45788,0009,9434.001026.501650.5+/- 0.0463,6008,00015,000
1708142,50016,100190,00021,4675.001278.002030.5+/- 0.0583,6007,00011,500
2048264,00029,828352,00039,7716.0015210.002540.5+/- 0.0703,6006,0009,750
2558474,00053,555632,00071,4067.0018012.503180.5+/- 0.0883,6005,0007,900
3008950,000107,3361,266,667143,1148.5021514.003560.5+/- 0.1031,8003,6006,800
34381,500,000169,4772,000,000225,9709.7525017.004320.5+/- 0.1181,8003,6005,900
40482,250,000254,2163,000,000338,95412.0030020.005080.5+/- 0.1391,8003,6004,950
46283,125,000353,0784,166,667470,77013.0033022.005500.5+/- 0.1591,500
3,6004,200
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Size"B" (in)"B" (mm)"HL" (in)"HL" (mm)"A" (in)"A" (mm)Minimum Std "C" (in)Minimum Std "C" (mm)Imperial Std "C" (in)Metric Std"C" (mm)
5162.0351.61.4135.72.7369.31.81463.5, 4.38, 5.0100, 140
6962.7569.91.7243.63.5088.92.3359.23.5, 4.38, 5.0100, 140, 180
9063.5088.92.2056.04.64117.92.9173.93.5, 4.38, 5, 7.5140, 180
10584.25108.02.7469.75.40137.23.0076.24.38, 5.0, 7.5140, 180
13585.38136.73.7394.86.88174.83.9299.67.5180, 250
17086.81173.04.71119.58.69220.75.33135.47.5, 8.0180, 250
20488.25209.65.69144.510.63270.06.02152.99.0250
255810.00254.06.85174.112.94328.78.04204.212.0-
300811.75298.58.31211.115.46392.79.8825115.0-
343813.50342.98.76222.517.63447.811.46291.118.0-
404816.00406.410.70271.720.88530.414.3736518.0-
462818.63473.112.70322.523.75603.316.04407.424.0-
_________________________________________________________________________________
SizeWeight @ Max Bore
min "C" inch
(lbs)
Weight @ Max Bore
min "C" mm
(kg)
Inertia @ Max Bore
min "C" inch
(lb-in2)
Inertia @ Max Bore
min "C" mm
(kg-m2)
Torsional Stiffness
min "C" inch
(in-lbs/rad)
Torsional Stiffness
min "C" mm (Nm/rad)
Min Torsional Stiffness
Tuned "C" in (in-lbs/rad)
Min Torsional Stiffness
Tuned "C" mm (mm-Nm/rad)
5162.291.042.236.53E-043.87E+054.37E+041.16E+051.31E+04
6965.042.298.682.54E-038.88E+051.00E+053.07E+053.46E+04
90611.55.2033.19.69E-031.52E+061.72E+055.77E+056.52E+04
105818.18.2270.52.06E-024.30E+064.86E+051.23E+061.39E+05
135834.915.82266.60E-027.28E+068.23E+052.87E+063.25E+05
170877.335.18120.241.11E+071.25E+065.80E+066.55E+05
204813259.92,0310.591.54E+071.74E+069.50E+061.07E+06
25582701236,0951.782.26E+072.55E+061.45E+071.64E+06
300844920414,3754.212.91E+073.29E+062.03E+072.29E+06
343865729827,4278.033.65E+074.12E+062.61E+072.95E+06
40481,13751668,16719.954.67E+075.27E+063.76E+074.25E+06
46281,818825135,12539.545.64E+076.37E+064.52E+075.10E+06
___________________________________________________________________________________________________________________________________________

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What Sets Us Apart.

Alignment Driven Success.

Our expertise in flexible disc couplings resolves the challenges of your demanding applications. We bring innovation to disc coupling design, integration, and customer support that make your life easier.

Why PSC?