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. Motion Control Couplings
  10. /
  11. Coupling, 4 Beam, Bore 1/4x1/8 In
Ruland Coupling, 4 Beam, Bore 1/4x1/8 In PSR12-4-2-A - main

Coupling, 4 Beam, Bore 1/4x1/8 In

  • Mfr # PSR12-4-2-A

  • Zoro # G1376977

product price: $37.79
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
Bore Dia.
1/4 in x 1/8 in
Rated Torque
14 in-lb
Max. RPM
6,000 RPM
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
Unlock tax-exempt savings
Add Tax Exemption

Specifications

Product Information

MFR #
PSR12-4-2-A
Zoro #
G1376977
UPC #
634529033944
Country of Origin
United States

Dimensions

Bore Dia.
1/4 in x 1/8 in
Outside Dia.
0.75 in
Overall Length
29/32 in
Screw Size
M4
Overall Length (In.)
0.90
Length through Bore (In.)
0.450
Outside Dia. (In.)
0.750
Length through Bore
0.45 in
Clearance Dia. (In.)
0.75 in
Screw Size (mm)
M4
Hub Dia.
0.75 in
Length Through Bore 2
0.4 in
Bore Diameter 2
1/8 in
Bore Diameter 1
1/4 in
Length Through Bore 1
0.4 in
Screw Thread Size
M4
Coupling Outside Diameter
3/4 in
Different Bore Sizes
Yes

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Rated Torque
14 in-lb
Max. RPM
6,000 RPM
Material - Couplings
Aluminum
Max. Temp. Range (F)
225
Finish
Bright
Item - Motion Control Couplings
Motion Control Coupling
Torsional Stiffness (Deg./In.-Lbs.)
0.33
Max. Parallel Misalignment (In.)
0.008 in
Max. Angular Misalignment
3 Degrees
Item
Motion Control Coupling
Screw Type
Set Screw
Max. Axial Misalignment (In.)
+/-0.005
Material
Aluminum
Max. Temp.
225 Degrees F
Style
4 Beam Set Screw
Torque (In.-Lbs.)
14
Bore Tolerance
+0.001/-0.000 in
Dynamic Torque Reversing
3.5 lb-in
Moment of Inertia
0.0025 lb-in sq
Screw Material
Alloy Steel
Dynamic Torque Non-Reversing
7 lb-in
Axial Motion
0.005 in
Bore Type
Round
Torsional Stiffness
3.03 in-lb/Deg
Coupling Material Grade
7075
Shaft Locking Type
Set Screw
Maximum Operating Temperature
225 Degrees F
Coupling Material Finish
Bright
Number of Locking Screws
2
Full Bearing Support Required
Yes
Parallel Misalignment
0.008 in
Angular Misalignment
3 Degrees
Zero Backlash
Yes
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Maximum Speed
6,000 RPM
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
Minimum Operating Temperature
-40 Degrees F
System of Measurement
Inch
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Fastener Tightening Torque
1.76 N-m
Maximum Torque
14 in-lb
Series
PSR
Screw Material Finish
Black Oxide
Number of Beams
4
For Misalignment Type
Angular, Axial, Parallel
Shaft Tolerance
+0.0000/-0.0005 in
Coupling Material
Aluminum
Included Screws
(2) Set Screw
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/4 in, Bore Diameter 2 1/8 in, Coupling Material Aluminum, Coupling Outside Diameter 3/4 in, Maximum Speed 6,000 RPM, Maximum Torque 14 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 3.03 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