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, 5/32inx 1/8in
Ruland Coupling, 4 Beam Set Screw, 5/32inx 1/8in PSR12-2.5-2-SS - main

Coupling, 4 Beam Set Screw, 5/32inx 1/8in

  • Mfr # PSR12-2.5-2-SS

  • Zoro # G8381807

product price: $83.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Bore Dia.
5/32 in x 1/8 in
Material - Couplings
Stainless Steel
Outside Dia.
0.75 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 #
PSR12-2.5-2-SS
Zoro #
G8381807
UPC #
634529051085
Country of Origin
United States

Dimensions

Bore Dia.
5/32 in x 1/8 in
Outside Dia.
0.75 in
Overall Length
29/32 in
Length through Bore (mm)
9.8
Clearance Dia. (In.)
1.125 in
Screw Size
M4
Length through Bore
0.386 in
Clearance Dia. (mm)
28.6
Length through Bore (In.)
0.386
Overall Length (In.)
0.9
Overall Length (mm)
22.9
Screw Size (mm)
M4
Size
PSR12
Outside Dia. (In.)
0.750 in
Outside Dia. (mm)
19.1
Length Through Bore 1
0.4 in
Length Through Bore 2
0.4 in
Bore Diameter 1
5/32 in
Different Bore Sizes
Yes
Maximum Bore Diameter
5/32 in
Bore Diameter 2
1/8 in
Screw Thread Size
M4
Coupling Outside Diameter
3/4 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Stainless Steel
Finish
Bright
Max. Parallel Misalignment (In.)
0.008 in
Max. Bore (In.)
0.156 in
Torsional Stiffness (Deg./In.-Lbs.)
0.151
Screw Type
Set Screw
Max. Temp.
350 Degrees F
Min. Bore (In.)
0.125 in
Max. Temp. Range (F)
350 Degrees
Max. RPM
6,000 RPM
Style
4-Beam Set Screw
Item - Motion Control Couplings
Motion Control Coupling
Setscrew Location
2 (120 Degrees )
Rated Torque
23 in-lb
Material
Stainless Steel
Max. Angular Misalignment
3 Degrees
Torque (In.-Lbs.)
23
Max. Axial Misalignment (In.)
+/-0.005
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Screw Material
Alloy Steel
Bore Tolerance
+0.001/-0.000 in
Series
PSR
Coupling Material Grade
303
Maximum Operating Temperature
350 Degrees F
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
Fastener Tightening Torque
1.76 N-m
Shaft Locking Type
Set Screw
Maximum Speed
6,000 RPM
Moment of Inertia
0.007 lb-in sq
Bore Type
Round
Full Bearing Support Required
Yes
Torsional Stiffness
6.62 in-lb/Deg
Zero Backlash
Yes
Angular Misalignment
3 Degrees
For Misalignment Type
Angular, Axial, Parallel
Coupling Material
Stainless Steel
Included Screws
(2) Set Screw
Parallel Misalignment
0.008 in
Maximum Torque
23 in-lb
Dynamic Torque Reversing
5.75 lb-in
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Number of Beams
4
Coupling Material Finish
Bright
Number of Locking Screws
2
Shaft Tolerance
+0.0000/-0.0005 in
Minimum Operating Temperature
-40 Degrees F
Screw Material Finish
Black Oxide
Axial Motion
0.005 in
Dynamic Torque Non-Reversing
11.5 lb-in

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 5/32 in, Bore Diameter 2 1/8 in, Coupling Material Stainless Steel, Coupling Outside Diameter 3/4 in, Maximum Speed 6,000 RPM, Maximum Torque 23 in-lb, Axial Motion 0.005 in, Overall Length 29/32 in, Parallel Misalignment 0.008 in, System of Measurement Inch, Different Bore Sizes Yes, Torsional Stiffness 6.62 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