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, 8mmx5mm
Ruland Coupling, 4 Beam Set Screw, 8mmx5mm PSMR22-8-5-A - main

Coupling, 4 Beam Set Screw, 8mmx5mm

  • Mfr # PSMR22-8-5-A

  • Zoro # G8155357

product price: $39.89
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Bore Dia.
8mm x 5mm
Material - Couplings
Aluminum
Outside Dia.
22.2 mm
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 #
PSMR22-8-5-A
Zoro #
G8155357
UPC #
634529033111
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 5mm
Outside Dia.
22.2 mm
Overall Length
27 mm
Screw Size (mm)
M4
Clearance Dia. (In.)
1.125 in
Length through Bore (mm)
11.43
Overall Length (mm)
27
Length through Bore (In.)
0.45
Clearance Dia. (mm)
28.6
Outside Dia. (mm)
22.2 mm
Length through Bore
11.43 mm
Screw Size
M4
Overall Length (In.)
1.063
Size
PSMR22
Outside Dia. (In.)
0.875
Screw Thread Size
M4
Coupling Outside Diameter
22.2 mm
Bore Diameter 2
5 mm
Different Bore Sizes
Yes
Bore Diameter 1
8 mm
Length Through Bore 2
12.7 mm
Length Through Bore 1
12.7 mm

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Screw Type
Set Screw
Max. Temp.
225 Degrees F
Max. Temp. Range (F)
225 Degrees
Torsional Stiffness (Deg./In.-Lbs.)
0.275
Style
4-Beam Set Screw
Min. Bore (mm)
5
Material
Aluminum
Rated Torque
16 in-lb
Torque (In.-Lbs.)
16
Max. RPM
6,000 RPM
Max. Bore (mm)
8 mm
Setscrew Location
2 (120 Degrees )
Max. Axial Misalignment (In.)
+/-0.005
Item - Motion Control Couplings
Motion Control Coupling
Max. Parallel Misalignment (In.)
0.008 in
Max. Angular Misalignment
3 Degrees
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
+0.025/-0.000 mm
Shaft Locking Type
Set Screw
Maximum Torque
1.81 N-m
Coupling Material Finish
Bright
Fastener Tightening Torque
1.76 N-m
Series
PSMR
Minimum Operating Temperature
-40 Degrees C
Maximum Speed
6,000 RPM
Dynamic Torque Non-Reversing
0.91 N-m
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
Coupling Material
Aluminum
Dynamic Torque Reversing
0.45 N-m
Zero Backlash
Yes
Maximum Operating Temperature
107 Degrees C
For Misalignment Type
Angular, Axial, Parallel
Angular Misalignment
3 Degrees
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Torsional Stiffness
0.41 N-m/Deg
Number of Beams
4
Parallel Misalignment
0.2 mm
Screw Material Finish
Black Oxide
Coupling Material Grade
7075
Number of Locking Screws
4
Full Bearing Support Required
Yes
Shaft Tolerance
+0.000/-0.013 mm
Included Screws
(4) Set Screw
Moment of Inertia
0.000001639 kgf/m sq
Axial Motion
0.13 mm
Bore Type
Round

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 5 mm, Coupling Material Aluminum, Coupling Outside Diameter 22.2 mm, Maximum Speed 6,000 RPM, Maximum Torque 1.81 N-m, Axial Motion 0.13 mm, Overall Length 27 mm, Parallel Misalignment 0.2 mm, System of Measurement Metric, Different Bore Sizes Yes, Torsional Stiffness 0.41 N-m/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 12.7 mm

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