Zoro Homepage
Clipboard Icon Quick Order
Cart Icon 0 Cart
  1. Home
  2. /
  3. Power Transmission
  4. /
  5. Bearings, V-belts & Power Transmission Equipment
  6. /
  7. Couplings, Collars, & Adapters
  8. /
  9. Rigid Clamp Couplings
  10. /
  11. Coupling, 4 Beam Set Screw, 3/8inx 5/16in
Ruland Coupling, 4 Beam Set Screw, 3/8inx 5/16in PSR18-6-5-SS - main

Coupling, 4 Beam Set Screw, 3/8inx 5/16in

  • Mfr # PSR18-6-5-SS

  • Zoro # G7837471

product price: $127.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Outside Dia.
1.125 in
Overall Length
1 1/2 in
See all product information
Get a 10% off coupon
Free 30-day returns
Return Policy
Get 30 days to pay with Net 30
Apply Now
Real support from real people
Contact our U.S. based team

Specifications

Product Information

MFR #
PSR18-6-5-SS
Zoro #
G7837471
UPC #
634529051320
Country of Origin
United States

Dimensions

Bore Dia.
3/8 in x 5/16 in
Outside Dia.
1.125 in
Overall Length
1 1/2 in
Length through Bore (mm)
17.02
Length through Bore
0.67 in
Outside Dia. (mm)
28.6
Screw Size (mm)
M5
Overall Length (In.)
1.5
Outside Dia. (In.)
1.125 in
Clearance Dia. (mm)
22.2
Length through Bore (In.)
0.67
Clearance Dia. (In.)
0.875 in
Screw Size
M5
Overall Length (mm)
38.1
Size
PSR18
Length Through Bore 2
0.7 in
Screw Thread Size
M5
Different Bore Sizes
Yes
Length Through Bore 1
0.7 in
Bore Diameter 1
3/8 in
Bore Diameter 2
5/16 in
Coupling Outside Diameter
1 1/8 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Finish
Bright
Max. Parallel Misalignment (In.)
0.015 in
Min. Bore (In.)
0.313 in
Max. Temp.
350 Degrees F
Torsional Stiffness (Deg./In.-Lbs.)
0.071
Style
4-Beam Set Screw
Max. Temp. Range (F)
350 Degrees
Max. Bore (In.)
0.375 in
Torque (In.-Lbs.)
54
Item - Motion Control Couplings
Motion Control Coupling
Screw Type
Set Screw
Material
Stainless Steel
Max. Axial Misalignment (In.)
+/-0.01
Max. Angular Misalignment
3 Degrees
Rated Torque
54 in-lb
Setscrew Location
2 (120 Degrees )
Max. RPM
6,000 RPM
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Bore Tolerance
+0.001/-0.000 in
Screw Material
Alloy Steel
Screw Material Finish
Black Oxide
Fastener Tightening Torque
4 N-m
Number of Beams
4
Coupling Material
Stainless Steel
Moment of Inertia
0.0603 lb-in sq
Number of Locking Screws
4
Shaft Locking Type
Set Screw
Axial Motion
0.01 in
Dynamic Torque Reversing
13.5 lb-in
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 Speed
6,000 RPM
Full Bearing Support Required
Yes
For Misalignment Type
Angular, Axial, Parallel
Coupling Material Finish
Bright
Minimum Operating Temperature
-40 Degrees F
Dynamic Torque Non-Reversing
27 lb-in
Included Screws
(4) Set Screw
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Zero Backlash
Yes
Maximum Operating Temperature
350 Degrees F
Coupling Material Grade
303
Angular Misalignment
3 Degrees
Shaft Tolerance
+0.0000/-0.0005 in
Torsional Stiffness
14.08 in-lb/Deg
Maximum Torque
54 in-lb
Parallel Misalignment
0.015 in
Bore Type
Round
Series
PSR

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 3/8 in, Bore Diameter 2 5/16 in, Coupling Material Stainless Steel, Coupling Outside Diameter 1 1/8 in, Maximum Speed 6,000 RPM, Maximum Torque 54 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 14.08 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

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.

Explore More Products