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, 8mmx8mm
Ruland Coupling, 4 Beam Set Screw, 8mmx8mm PSMR29-8-8-SS - main

Coupling, 4 Beam Set Screw, 8mmx8mm

  • Mfr # PSMR29-8-8-SS

  • Zoro # G8384293

product price: $130.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Bore Dia.
8mm x 8mm
Material - Couplings
Stainless Steel
Outside Dia.
28.6 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 #
PSMR29-8-8-SS
Zoro #
G8384293
UPC #
634529050682
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 8mm
Outside Dia.
28.6 mm
Overall Length
38.1 mm
Overall Length (mm)
38.1
Length through Bore (In.)
0.67
Size
PSMR29
Length through Bore
17.02 mm
Screw Size
M5
Screw Size (mm)
M5
Clearance Dia. (In.)
1.0 in
Clearance Dia. (mm)
25.4
Outside Dia. (mm)
28.6 mm
Length through Bore (mm)
17.02
Overall Length (In.)
1.5
Outside Dia. (In.)
1.125
Bore Diameter 1
8 mm
Screw Thread Size
M5
Coupling Outside Diameter
28.6 mm
Length Through Bore 2
17.6 mm
Bore Diameter 2
8 mm
Different Bore Sizes
No
Length Through Bore 1
17.6 mm

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Stainless Steel
Finish
Bright
Item - Motion Control Couplings
Motion Control Coupling
Max. Bore (mm)
8 mm
Max. Temp.
350 Degrees F
Torsional Stiffness (Deg./In.-Lbs.)
0.056
Setscrew Location
2 (120 Degrees )
Min. Bore (mm)
8
Style
4-Beam Set Screw
Screw Type
Set Screw
Max. Axial Misalignment (In.)
+/-0.01
Max. RPM
6,000 RPM
Max. Parallel Misalignment (In.)
0.015 in
Rated Torque
60 in-lb
Torque (In.-Lbs.)
60
Material
Stainless Steel
Max. Temp. Range (F)
350 Degrees
Max. Angular Misalignment
3 Degrees
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
+0.025/-0.000 mm
Screw Material
Alloy Steel
Number of Locking Screws
4
Shaft Locking Type
Set Screw
Screw Material Finish
Black Oxide
Maximum Torque
6.78 N-m
Moment of Inertia
0.000017643 kgf/m sq
Maximum Operating Temperature
176 Degrees C
Series
PSMR
Parallel Misalignment
0.38 mm
Coupling Material
Stainless Steel
Coupling Material Grade
303
Included Screws
(4) Set Screw
Torsional Stiffness
2 N-m/Deg
Dynamic Torque Reversing
1.7 N-m
Minimum Operating Temperature
-40 Degrees C
Dynamic Torque Non-Reversing
3.39 N-m
Fastener Tightening Torque
4 N-m
Coupling Material Finish
Bright
Zero Backlash
Yes
Maximum Speed
6,000 RPM
Number of Beams
4
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
For Misalignment Type
Angular, Axial, Parallel
Shaft Tolerance
+0.000/-0.013 mm
Full Bearing Support Required
Yes
Axial Motion
0.25 mm
Angular Misalignment
3 Degrees
Bore Type
Round
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

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 8 mm, Coupling Material Stainless Steel, Coupling Outside Diameter 28.6 mm, Maximum Speed 6,000 RPM, Maximum Torque 6.78 N-m, Axial Motion 0.25 mm, Overall Length 38.1 mm, Parallel Misalignment 0.38 mm, System of Measurement Metric, Different Bore Sizes No, Torsional Stiffness 2 N-m/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 17.6 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