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Ruland Coupling, 4 Beam Clamp, 1/4in.x 1/4in. PCR20-4-4-A - main

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

  • Mfr # PCR20-4-4-A

  • Zoro # G7941473

product price: $67.19
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Inch
Bore Dia.
1/4 in x 1/4 in
Material - Couplings
Aluminum
Outside Dia.
1.25 in
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Specifications

Product Information

MFR #
PCR20-4-4-A
Zoro #
G7941473
UPC #
634529032732
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
Outside Dia. (mm)
31.8
Screw Size
M4
Overall Length (mm)
38.1
Length through Bore
0.67 in
Screw Size (mm)
M4
Clearance Dia. (mm)
25.4
Clearance Dia. (In.)
1.0 in
Length through Bore (In.)
0.67
Length through Bore (mm)
17.02
Outside Dia. (In.)
1.250 in
Overall Length (In.)
1.5
Size
PCR20
Coupling Outside Diameter
1 1/4 in
Different Bore Sizes
No
Length Through Bore 1
0.7 in
Bore Diameter 1
1/4 in
Bore Diameter 2
1/4 in
Length Through Bore 2
0.7 in
Screw Thread Size
M4

Details

Shaft Locking Type - Couplings
1 Piece Clamp
Item
Motion Control Coupling
System of Measurement
Inch
Material - Couplings
Aluminum
Finish
Bright
Max. Temp.
225 Degrees F
Max. Bore (In.)
0.25 in
Screw Type
Cap Screw
Max. Axial Misalignment (In.)
+/-0.01
Torque (In.-Lbs.)
68
Min. Bore (In.)
0.25 in
Torsional Stiffness (Deg./In.-Lbs.)
0.06
Rated Torque
68 in-lb
Max. Angular Misalignment
3 Degrees
Max. Parallel Misalignment (In.)
0.015 in
Max. RPM
6,000 RPM
Style
4-Beam Clamp
Material
Aluminum
Max. Temp. Range (F)
225 Degrees
Item - Motion Control Couplings
Motion Control Coupling
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
+0.001/-0.000 in
Shaft Tolerance
+0.0000/-0.0005 in
Fastener Tightening Torque
4.6 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
Maximum Torque
68 in-lb
Screw Material Finish
Black Oxide
Torsional Stiffness
16.67 in-lb/Deg
Series
PCR
Dynamic Torque Reversing
17 lb-in
Bore Type
Round
Coupling Material
Aluminum
Coupling Material Grade
7075
Minimum Operating Temperature
-40 Degrees F
Parallel Misalignment
0.015 in
Angular Misalignment
3 Degrees
For Misalignment Type
Angular, Axial, Parallel
Full Bearing Support Required
Yes
Zero Backlash
Yes
Included Screws
(2) Hex Socket Cap Screw
Maximum Operating Temperature
225 Degrees F
Moment of Inertia
0.034 lb-in sq
Coupling Material Finish
Bright
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Dynamic Torque Non-Reversing
34 lb-in
Axial Motion
0.01 in
Number of Locking Screws
2
Number of Beams
4
Maximum Speed
6,000 RPM
Shaft Locking Type
Clamp On

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/4 in, Bore Diameter 2 1/4 in, Coupling Material Aluminum, Coupling Outside Diameter 1 1/4 in, Maximum Speed 6,000 RPM, Maximum Torque 68 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 16.67 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

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