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Ruland Coupling, 4 Beam Clamp, 8mmx7mm PCMR22-8-7-A - main

Coupling, 4 Beam Clamp, 8mmx7mm

  • Mfr # PCMR22-8-7-A

  • Zoro # G7884116

product price: $40.89
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Bore Dia.
8mm x 7mm
Material - Couplings
Aluminum
Outside Dia.
22.2 mm
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Specifications

Product Information

MFR #
PCMR22-8-7-A
Zoro #
G7884116
UPC #
634529031674
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 7mm
Outside Dia.
22.2 mm
Overall Length
27 mm
Overall Length (mm)
27
Outside Dia. (In.)
0.875
Size
PCMR22
Length through Bore
11.43 mm
Screw Size (mm)
M3
Length through Bore (In.)
0.45
Screw Size
M3
Clearance Dia. (mm)
28.6
Clearance Dia. (In.)
1.125 in
Length through Bore (mm)
11.43
Outside Dia. (mm)
22.2 mm
Overall Length (In.)
1.063
Coupling Outside Diameter
22.2 mm
Bore Diameter 2
7 mm
Length Through Bore 1
12.7 mm
Different Bore Sizes
Yes
Bore Diameter 1
8 mm
Screw Thread Size
M3
Length Through Bore 2
12.7 mm

Details

Shaft Locking Type - Couplings
1 Piece Clamp
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Max. Angular Misalignment
3 Degrees
Max. Parallel Misalignment (In.)
0.008 in
Torque (In.-Lbs.)
16
Rated Torque
16 in-lb
Max. RPM
6,000 RPM
Min. Bore (mm)
7
Item - Motion Control Couplings
Motion Control Coupling
Max. Bore (mm)
8 mm
Material
Aluminum
Style
4-Beam Clamp
Max. Temp. Range (F)
225 Degrees
Torsional Stiffness (Deg./In.-Lbs.)
0.275
Max. Temp.
225 Degrees F
Max. Axial Misalignment (In.)
+/-0.005
Screw Type
Cap 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
Series
PCMR
Angular Misalignment
3 Degrees
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 Speed
6,000 RPM
Fastener Tightening Torque
2.1 N-m
Full Bearing Support Required
Yes
For Misalignment Type
Angular, Axial, Parallel
Maximum Torque
1.81 N-m
Coupling Material
Aluminum
Included Screws
(2) Hex Socket Cap Screw
Torsional Stiffness
0.41 N-m/Deg
Coupling Material Finish
Bright
Number of Beams
4
Number of Locking Screws
2
Minimum Operating Temperature
-40 Degrees C
Bore Type
Round
Dynamic Torque Reversing
0.45 N-m
Moment of Inertia
0.000001639 kgf/m sq
Parallel Misalignment
0.2 mm
Axial Motion
0.13 mm
Screw Material Finish
Black Oxide
Zero Backlash
Yes
Coupling Material Grade
7075
Dynamic Torque Non-Reversing
0.91 N-m
Shaft Locking Type
Clamp On
Maximum Operating Temperature
107 Degrees C
Shaft Tolerance
+0.000/-0.013 mm
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 7 mm, Coupling Material Aluminum, Coupling Outside Diameter 22.2 mm, Maximum Speed 6,000 RPM, Maximum Torque 1.81 N-m, Axial Motion 0.13 mm, Overall Length 27 mm, Parallel Misalignment 0.2 mm, System of Measurement Metric, Different Bore Sizes Yes, Torsional Stiffness 0.41 N-m/Deg, Bore Type Round, Shaft Locking Type Clamp On, Number of Beams 4, Length Through Bore 2 12.7 mm

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

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