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, 1/8in.x 1/8in.
Ruland Coupling, 4 Beam Set Screw, 1/8in.x 1/8in. PSR8-2-2-SS - main

Coupling, 4 Beam Set Screw, 1/8in.x 1/8in.

  • Mfr # PSR8-2-2-SS

  • Zoro # G7937447

product price: $92.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Outside Dia.
0.5 in
Overall Length
3/4 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
Unlock tax-exempt savings
Add Tax Exemption

Specifications

Product Information

MFR #
PSR8-2-2-SS
Zoro #
G7937447
UPC #
634529051511
Country of Origin
United States

Dimensions

Bore Dia.
1/8 in x 1/8 in
Outside Dia.
0.5 in
Overall Length
3/4 in
Clearance Dia. (mm)
12.7
Outside Dia. (In.)
0.500 in
Clearance Dia. (In.)
0.5 in
Overall Length (In.)
0.75
Length through Bore
0.265 in
Screw Size
M2
Screw Size (mm)
M2
Size
PSR8
Length through Bore (In.)
0.265
Outside Dia. (mm)
12.7
Length through Bore (mm)
6.73
Overall Length (mm)
19.1
Length Through Bore 1
0.4 in
Bore Diameter 2
1/8 in
Different Bore Sizes
No
Coupling Outside Diameter
1/2 in
Screw Thread Size
M2
Bore Diameter 1
1/8 in
Length Through Bore 2
0.4 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Finish
Bright
Screw Type
Set Screw
Max. Parallel Misalignment (In.)
0.008 in
Torque (In.-Lbs.)
11
Material
Stainless Steel
Max. Bore (In.)
0.125 in
Rated Torque
11 in-lb
Style
4-Beam Set Screw
Max. RPM
6,000 RPM
Max. Temp.
350 Degrees F
Max. Temp. Range (F)
350 Degrees
Torsional Stiffness (Deg./In.-Lbs.)
0.368
Item - Motion Control Couplings
Motion Control Coupling
Max. Angular Misalignment
3 Degrees
Min. Bore (In.)
0.125 in
Setscrew Location
2 (120 Degrees )
Max. Axial Misalignment (In.)
+/-0.005
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Screw Material
Alloy Steel
Bore Tolerance
+0.001/-0.000 in
Zero Backlash
Yes
Coupling Material Grade
303
Angular Misalignment
3 Degrees
Torsional Stiffness
2.72 in-lb/Deg
Maximum Speed
6,000 RPM
Maximum Torque
11 in-lb
Shaft Locking Type
Set Screw
Coupling Material Finish
Bright
Dynamic Torque Reversing
2.75 lb-in
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Dynamic Torque Non-Reversing
5.5 lb-in
Parallel Misalignment
0.008 in
Series
PSR
Bore Type
Round
Number of Beams
4
Axial Motion
0.005 in
Included Screws
(2) Set Screw
Full Bearing Support Required
Yes
Coupling Material
Stainless Steel
Maximum Operating Temperature
350 Degrees F
Screw Material Finish
Black Oxide
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
Shaft Tolerance
+0.0000/-0.0005 in
Minimum Operating Temperature
-40 Degrees F
Number of Locking Screws
2
Fastener Tightening Torque
0.21 N-m
For Misalignment Type
Angular, Axial, Parallel
Moment of Inertia
0.0012 lb-in sq

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/8 in, Bore Diameter 2 1/8 in, Coupling Material Stainless Steel, Coupling Outside Diameter 1/2 in, Maximum Speed 6,000 RPM, Maximum Torque 11 in-lb, Axial Motion 0.005 in, Overall Length 3/4 in, Parallel Misalignment 0.008 in, System of Measurement Inch, Different Bore Sizes No, Torsional Stiffness 2.72 in-lb/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 0.4 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