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, 8mmx6mm
Ruland Coupling, 4 Beam Set Screw, 8mmx6mm PSMR25-8-6-SS - main

Coupling, 4 Beam Set Screw, 8mmx6mm

  • Mfr # PSMR25-8-6-SS

  • Zoro # G7829482

product price: $103.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Bore Dia.
8mm x 6mm
Material - Couplings
Stainless Steel
Outside Dia.
25.4 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 #
PSMR25-8-6-SS
Zoro #
G7829482
UPC #
634529050385
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 6mm
Outside Dia.
25.4 mm
Overall Length
31.8 mm
Outside Dia. (In.)
1
Clearance Dia. (In.)
1.25 in
Screw Size (mm)
M4
Screw Size
M4
Overall Length (In.)
1.25
Outside Dia. (mm)
25.4 mm
Clearance Dia. (mm)
31.8
Length through Bore (mm)
13.84
Length through Bore (In.)
0.545
Size
PSMR25
Overall Length (mm)
31.8
Length through Bore
13.84 mm
Length Through Bore 2
14.7 mm
Bore Diameter 1
8 mm
Different Bore Sizes
Yes
Coupling Outside Diameter
25.4 mm
Screw Thread Size
M4
Bore Diameter 2
6 mm
Length Through Bore 1
14.7 mm

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Material - Couplings
Stainless Steel
Finish
Bright
Item - Motion Control Couplings
Motion Control Coupling
Setscrew Location
2 (120 Degrees )
Max. Angular Misalignment
3 Degrees
Max. Bore (mm)
8 mm
Torque (In.-Lbs.)
44
Max. Temp. Range (F)
350 Degrees
Max. RPM
6,000 RPM
Max. Temp.
350 Degrees F
Max. Parallel Misalignment (In.)
0.015 in
Rated Torque
44 in-lb
Style
4-Beam Set Screw
Torsional Stiffness (Deg./In.-Lbs.)
0.094
Max. Axial Misalignment (In.)
+/-0.01
Material
Stainless Steel
Min. Bore (mm)
6
Screw Type
Set Screw
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
Axial Motion
0.25 mm
Series
PSMR
Number of Beams
4
Coupling Material Finish
Bright
Maximum Speed
6,000 RPM
Torsional Stiffness
1.2 N-m/Deg
Zero Backlash
Yes
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
Dynamic Torque Non-Reversing
2.49 N-m
For Misalignment Type
Angular, Axial, Parallel
Parallel Misalignment
0.38 mm
Maximum Operating Temperature
176 Degrees C
Maximum Torque
4.97 N-m
Dynamic Torque Reversing
1.24 N-m
Angular Misalignment
3 Degrees
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Minimum Operating Temperature
-40 Degrees C
Coupling Material Grade
303
Moment of Inertia
0.000009275 kgf/m sq
Shaft Locking Type
Set Screw
Number of Locking Screws
4
Screw Material Finish
Black Oxide
Bore Type
Round
Fastener Tightening Torque
1.76 N-m
Shaft Tolerance
+0.000/-0.013 mm
Included Screws
(4) Set Screw
Full Bearing Support Required
Yes
Coupling Material
Stainless Steel

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 6 mm, Coupling Material Stainless Steel, Coupling Outside Diameter 25.4 mm, Maximum Speed 6,000 RPM, Maximum Torque 4.97 N-m, Axial Motion 0.25 mm, Overall Length 31.8 mm, Parallel Misalignment 0.38 mm, System of Measurement Metric, Different Bore Sizes Yes, Torsional Stiffness 1.2 N-m/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 14.7 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