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 Clamp, 9mmx8mm
Ruland Coupling, 4 Beam Clamp, 9mmx8mm PCMR25-9-8-A - main

Coupling, 4 Beam Clamp, 9mmx8mm

  • Mfr # PCMR25-9-8-A

  • Zoro # G8286984

product price: $45.99
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Bore Dia.
9mm x 8mm
Material - Couplings
Aluminum
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 #
PCMR25-9-8-A
Zoro #
G8286984
UPC #
634529031773
Country of Origin
United States

Dimensions

Bore Dia.
9mm x 8mm
Outside Dia.
25.4 mm
Overall Length
31.8 mm
Screw Size
M4
Overall Length (In.)
1.25
Screw Size (mm)
M4
Length through Bore
13.84 mm
Length through Bore (In.)
0.545
Outside Dia. (mm)
25.4 mm
Length through Bore (mm)
13.84
Size
PCMR25
Overall Length (mm)
31.8
Clearance Dia. (In.)
1.25 in
Clearance Dia. (mm)
31.8
Outside Dia. (In.)
1
Bore Diameter 2
8 mm
Screw Thread Size
M4
Coupling Outside Diameter
25.4 mm
Length Through Bore 1
14.7 mm
Length Through Bore 2
14.7 mm
Bore Diameter 1
9 mm
Different Bore Sizes
Yes

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Max. Bore (mm)
9 mm
Max. Axial Misalignment (In.)
+/-0.01
Item - Motion Control Couplings
Motion Control Coupling
Max. Parallel Misalignment (In.)
0.015 in
Max. Temp. Range (F)
225 Degrees
Style
4-Beam Clamp
Screw Type
Cap Screw
Rated Torque
30 in-lb
Max. RPM
6,000 RPM
Torque (In.-Lbs.)
30
Max. Temp.
225 Degrees F
Torsional Stiffness (Deg./In.-Lbs.)
0.203
Min. Bore (mm)
8
Max. Angular Misalignment
3 Degrees
Material
Aluminum
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
Coupling Material Finish
Bright
Coupling Material Grade
7075
Dynamic Torque Non-Reversing
1.7 N-m
Maximum Speed
6,000 RPM
Shaft Locking Type
Clamp On
Minimum Operating Temperature
-40 Degrees C
For Misalignment Type
Angular, Axial, Parallel
Fastener Tightening Torque
4.6 N-m
Moment of Inertia
0.000003394 kgf/m sq
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
Shaft Tolerance
+0.000/-0.013 mm
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Number of Locking Screws
2
Screw Material Finish
Black Oxide
Zero Backlash
Yes
Coupling Material
Aluminum
Series
PCMR
Parallel Misalignment
0.38 mm
Maximum Operating Temperature
107 Degrees C
Torsional Stiffness
0.56 N-m/Deg
Number of Beams
4
Full Bearing Support Required
Yes
Axial Motion
0.25 mm
Angular Misalignment
3 Degrees
Included Screws
(2) Hex Socket Cap Screw
Maximum Torque
3.39 N-m
Dynamic Torque Reversing
0.85 N-m

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 9 mm, Bore Diameter 2 8 mm, Coupling Material Aluminum, Coupling Outside Diameter 25.4 mm, Maximum Speed 6,000 RPM, Maximum Torque 3.39 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 0.56 N-m/Deg, Bore Type Round, Shaft Locking Type Clamp On, 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