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, 8mmx8mm
Ruland Coupling, 4 Beam Clamp, 8mmx8mm PCMR32-8-8-SS - main

Coupling, 4 Beam Clamp, 8mmx8mm

  • Mfr # PCMR32-8-8-SS

  • Zoro # G8461354

product price: $169.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Bore Dia.
8mm x 8mm
Material - Couplings
Stainless Steel
Outside Dia.
31.8 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 #
PCMR32-8-8-SS
Zoro #
G8461354
UPC #
634529049532
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 8mm
Outside Dia.
31.8 mm
Overall Length
38.1 mm
Outside Dia. (In.)
1.25
Overall Length (In.)
1.5
Overall Length (mm)
38.1
Screw Size (mm)
M4
Clearance Dia. (In.)
1.25 in
Screw Size
M4
Clearance Dia. (mm)
31.8
Length through Bore (In.)
0.67
Size
PCMR32
Length through Bore (mm)
17.02
Length through Bore
17.02 mm
Outside Dia. (mm)
31.8 mm
Bore Diameter 1
8 mm
Coupling Outside Diameter
31.8 mm
Length Through Bore 1
17.6 mm
Different Bore Sizes
No
Bore Diameter 2
8 mm
Length Through Bore 2
17.6 mm
Screw Thread Size
M4

Details

Shaft Locking Type - Couplings
1 Piece Clamp
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Stainless Steel
Finish
Bright
Min. Bore (mm)
8
Max. Bore (mm)
8 mm
Rated Torque
86 in-lb
Torsional Stiffness (Deg./In.-Lbs.)
0.037
Max. Angular Misalignment
3 Degrees
Screw Type
Cap Screw
Torque (In.-Lbs.)
86
Max. Axial Misalignment (In.)
+/-0.01
Max. Temp.
350 Degrees F
Style
4-Beam Clamp
Max. RPM
6,000 RPM
Item - Motion Control Couplings
Motion Control Coupling
Max. Temp. Range (F)
350 Degrees
Material
Stainless Steel
Max. Parallel Misalignment (In.)
0.015 in
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Bore Tolerance
+0.025/-0.000 mm
Screw Material
Alloy Steel
Coupling Material Finish
Bright
Dynamic Torque Reversing
2.43 N-m
Zero Backlash
Yes
Coupling Material
Stainless Steel
Full Bearing Support Required
Yes
Maximum Speed
6,000 RPM
Series
PCMR
Dynamic Torque Non-Reversing
4.86 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
Screw Material Finish
Black Oxide
Maximum Torque
9.72 N-m
Parallel Misalignment
0.38 mm
Torsional Stiffness
3.03 N-m/Deg
Shaft Locking Type
Clamp On
Moment of Inertia
0.000026977 kgf/m sq
Angular Misalignment
3 Degrees
Coupling Material Grade
303
Fastener Tightening Torque
4.6 N-m
Maximum Operating Temperature
176 Degrees C
Bore Type
Round
Number of Beams
4
Shaft Tolerance
+0.000/-0.013 mm
Axial Motion
0.25 mm
Included Screws
(2) Hex Socket Cap Screw
For Misalignment Type
Angular, Axial, Parallel
Number of Locking Screws
2
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Minimum Operating Temperature
-40 Degrees C

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 31.8 mm, Maximum Speed 6,000 RPM, Maximum Torque 9.72 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 3.03 N-m/Deg, Bore Type Round, Shaft Locking Type Clamp On, 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