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  11. Coupling, 4 Beam Clamp, Bore 8 x 8 mm
Ruland Coupling, 4 Beam Clamp, Bore 8 x 8 mm PCMR25-8-8-A - main

Coupling, 4 Beam Clamp, Bore 8 x 8 mm

  • Mfr # PCMR25-8-8-A

  • Zoro # G1661712

product price: $50.39
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
Bore Dia.
8mm x 8mm
Rated Torque
33 in-lb
Max. RPM
6,000 RPM
Outside Dia.
25.4 mm
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Specifications

Product Information

MFR #
PCMR25-8-8-A
Zoro #
G1661712
UPC #
634529031742
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 8mm
Outside Dia.
25.4 mm
Overall Length
31.8 mm
Screw Size (mm)
M4
Length through Bore (mm)
15.90
Overall Length (In.)
1.25
Outside Dia. (In.)
1.000
Length through Bore
15.9 mm
Overall Length (mm)
31.80
Outside Dia. (mm)
25.40
Length through Bore (In.)
0.625
Screw Size
M4
Clearance Dia. (mm)
25.4
Length Through Bore 1
14.7 mm
Length Through Bore 2
14.7 mm
Bore Diameter 2
8 mm
Screw Thread Size
M4
Different Bore Sizes
No
Coupling Outside Diameter
25.4 mm
Bore Diameter 1
8 mm

Details

Shaft Locking Type - Couplings
1 Piece Clamp
Rated Torque
33 in-lb
Max. RPM
6,000 RPM
Material - Couplings
Aluminum
Torque (In.-Lbs.)
33
Material
Aluminum
Max. Angular Misalignment
3 Degrees
Max. Temp.
225 Degrees F
Finish
Bright
Screw Type
Cap Screw
Max. Temp. Range (F)
225
Style
4 Beam Clamp
Torsional Stiffness (Deg./In.-Lbs.)
0.18
Max. Axial Misalignment (In.)
+/-0.010
Item
Motion Control Coupling
Item - Motion Control Couplings
Motion Control Coupling
Max. Parallel Misalignment (In.)
0.015 in
Axial Motion
0.25 mm
Bore Tolerance
+0.025/-0.000 mm
Moment of Inertia
0.000003394 kgf/m sq
Screw Material
Alloy Steel
Dynamic Torque Reversing
0.93 N-m
Dynamic Torque Non-Reversing
1.87 N-m
Screw Material Finish
Black Oxide
Maximum Speed
6,000 RPM
Full Bearing Support Required
Yes
Maximum Operating Temperature
107 Degrees C
For Misalignment Type
Angular, Axial, Parallel
Coupling Material Grade
7075
Fastener Tightening Torque
4.6 N-m
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Series
PCMR
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
Included Screws
(2) Hex Socket Cap Screw
Zero Backlash
Yes
Number of Locking Screws
2
Number of Beams
4
System of Measurement
Metric
Coupling Material
Aluminum
Coupling Material Finish
Bright
Torsional Stiffness
0.64 N-m/Deg
Bore Type
Round
Minimum Operating Temperature
-40 Degrees C
Shaft Tolerance
+0.000/-0.013 mm
Angular Misalignment
3 Degrees
Parallel Misalignment
0.38 mm
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Maximum Torque
3.73 N-m
Shaft Locking Type
Clamp On

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 8 mm, Coupling Material Aluminum, Coupling Outside Diameter 25.4 mm, Maximum Speed 6,000 RPM, Maximum Torque 3.73 N-m, Axial Motion 0.25 mm, Overall Length 31.8 mm, Parallel Misalignment 0.38 mm, System of Measurement Metric, Different Bore Sizes No, Torsional Stiffness 0.64 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

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