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  11. Coupling, 4 Beam Set Screw, 5/16inx 1/4in
Ruland Coupling, 4 Beam Set Screw, 5/16inx 1/4in PSR20-5-4-SS - main

Coupling, 4 Beam Set Screw, 5/16inx 1/4in

  • Mfr # PSR20-5-4-SS

  • Zoro # G7874937

product price: $141.99
/ea
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Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Outside Dia.
1.25 in
Overall Length
1 1/2 in
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Specifications

Product Information

MFR #
PSR20-5-4-SS
Zoro #
G7874937
UPC #
634529051399
Country of Origin
United States

Dimensions

Bore Dia.
5/16 in x 1/4 in
Outside Dia.
1.25 in
Overall Length
1 1/2 in
Overall Length (mm)
38.1
Length through Bore (In.)
0.67
Overall Length (In.)
1.5
Clearance Dia. (mm)
28.6
Outside Dia. (mm)
31.8
Length through Bore (mm)
17.02
Screw Size
M6
Clearance Dia. (In.)
1.125 in
Screw Size (mm)
M6
Length through Bore
0.67 in
Outside Dia. (In.)
1.250 in
Size
PSR20
Coupling Outside Diameter
1 1/4 in
Bore Diameter 2
1/4 in
Screw Thread Size
M6
Length Through Bore 2
0.7 in
Bore Diameter 1
5/16 in
Different Bore Sizes
Yes
Length Through Bore 1
0.7 in

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Inch
Material - Couplings
Stainless Steel
Finish
Bright
Max. Temp. Range (F)
350 Degrees
Max. Angular Misalignment
3 Degrees
Max. Bore (In.)
0.313 in
Setscrew Location
2 (120 Degrees )
Max. RPM
6,000 RPM
Item - Motion Control Couplings
Motion Control Coupling
Material
Stainless Steel
Style
4-Beam Set Screw
Max. Axial Misalignment (In.)
+/-0.01
Torsional Stiffness (Deg./In.-Lbs.)
0.037
Max. Parallel Misalignment (In.)
0.015 in
Rated Torque
86 in-lb
Screw Type
Set Screw
Min. Bore (In.)
0.25 in
Max. Temp.
350 Degrees F
Torque (In.-Lbs.)
86
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Bore Tolerance
+0.001/-0.000 in
Screw Material
Alloy Steel
Parallel Misalignment
0.015 in
Angular Misalignment
3 Degrees
Screw Material Finish
Black Oxide
Torsional Stiffness
27.03 in-lb/Deg
Full Bearing Support Required
Yes
Axial Motion
0.01 in
Shaft Locking Type
Set Screw
Zero Backlash
Yes
For Misalignment Type
Angular, Axial, Parallel
Fastener Tightening Torque
7.2 N-m
Shaft Tolerance
+0.0000/-0.0005 in
Dynamic Torque Reversing
21.5 lb-in
Maximum Torque
86 in-lb
Number of Locking Screws
4
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Number of Beams
4
Moment of Inertia
0.0922 lb-in sq
Features
Balanced Design for Reduced Vibration, Higher Torque Capacity, Larger Body Sizes than Single Beam Couplings, Lower Windup, Machined from a Single Piece of Material, Two Sets of Two Spiral Cuts, Zero-Backlash
Maximum Operating Temperature
350 Degrees F
Included Screws
(4) Set Screw
Dynamic Torque Non-Reversing
43 lb-in
Minimum Operating Temperature
-40 Degrees F
Bore Type
Round
Coupling Material Finish
Bright
Coupling Material
Stainless Steel
Coupling Material Grade
303
Maximum Speed
6,000 RPM
Series
PSR

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 5/16 in, Bore Diameter 2 1/4 in, Coupling Material Stainless Steel, Coupling Outside Diameter 1 1/4 in, Maximum Speed 6,000 RPM, Maximum Torque 86 in-lb, Axial Motion 0.01 in, Overall Length 1 1/2 in, Parallel Misalignment 0.015 in, System of Measurement Inch, Different Bore Sizes Yes, Torsional Stiffness 27.03 in-lb/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 0.7 in

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

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