Zoro Homepage

Coupling, 4 Beam Clamp, 1/4in.x 1/4in.

  • Mfr # PCR20-4-4-SS

  • Zoro # G8238291


product price: $154.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Inch
Bore Dia.
1/4 in x 1/4 in
Material - Couplings
Stainless Steel
Outside Dia.
1.25 in
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 #
PCR20-4-4-SS
Zoro #
G8238291
UPC #
634529049945
Country of Origin
United States

Dimensions

Bore Dia.
1/4 in x 1/4 in
Outside Dia.
1.25 in
Overall Length
1 1/2 in
Clearance Dia. (In.)
1.0 in
Outside Dia. (mm)
31.8
Overall Length (In.)
1.5
Length through Bore (In.)
0.67
Clearance Dia. (mm)
25.4
Screw Size
M4
Length through Bore (mm)
17.02
Length through Bore
0.67 in
Size
PCR20
Overall Length (mm)
38.1
Outside Dia. (In.)
1.250 in
Screw Size (mm)
M4
Screw Thread Size
M4
Different Bore Sizes
No
Coupling Outside Diameter
1 1/4 in
Bore Diameter 1
1/4 in
Length Through Bore 2
0.7 in
Length Through Bore 1
0.7 in
Bore Diameter 2
1/4 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Inch
Material - Couplings
Stainless Steel
Finish
Bright
Torque (In.-Lbs.)
92
Max. Parallel Misalignment (In.)
0.015 in
Screw Type
Cap Screw
Torsional Stiffness (Deg./In.-Lbs.)
0.031
Material
Stainless Steel
Style
4-Beam Clamp
Min. Bore (In.)
0.25 in
Max. Angular Misalignment
3 Degrees
Item - Motion Control Couplings
Motion Control Coupling
Rated Torque
92 in-lb
Max. Axial Misalignment (In.)
+/-0.01
Max. Temp. Range (F)
350 Degrees
Max. Temp.
350 Degrees F
Max. Bore (In.)
0.25 in
Max. RPM
6,000 RPM
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Screw Material
Alloy Steel
Bore Tolerance
+0.001/-0.000 in
For Misalignment Type
Angular, Axial, Parallel
Dynamic Torque Non-Reversing
46 lb-in
Number of Locking Screws
2
Minimum Operating Temperature
-40 Degrees F
Maximum Speed
6,000 RPM
Coupling Material
Stainless Steel
Coupling Material Grade
303
Included Screws
(2) Hex Socket Cap Screw
Bore Type
Round
Moment of Inertia
0.0922 lb-in sq
Fastener Tightening Torque
4.6 N-m
Torsional Stiffness
32.26 in-lb/Deg
Dynamic Torque Reversing
23 lb-in
Shaft Locking Type
Clamp On
Zero Backlash
Yes
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
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
Angular Misalignment
3 Degrees
Parallel Misalignment
0.015 in
Maximum Operating Temperature
350 Degrees F
Screw Material Finish
Black Oxide
Maximum Torque
92 in-lb
Number of Beams
4
Full Bearing Support Required
Yes
Axial Motion
0.01 in
Shaft Tolerance
+0.0000/-0.0005 in
Series
PCR
Coupling Material Finish
Bright

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/4 in, Bore Diameter 2 1/4 in, Coupling Material Stainless Steel, Coupling Outside Diameter 1 1/4 in, Maximum Speed 6,000 RPM, Maximum Torque 92 in-lb, Axial Motion 0.01 in, Overall Length 1 1/2 in, Parallel Misalignment 0.015 in, System of Measurement Inch, Different Bore Sizes No, Torsional Stiffness 32.26 in-lb/Deg, Bore Type Round, Shaft Locking Type Clamp On, Number of Beams 4, Length Through Bore 2 0.7 in

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.