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Ruland Coupling, 4 Beam Set Screw, 8mmx7mm PSMR25-8-7-A - main

Coupling, 4 Beam Set Screw, 8mmx7mm

  • Mfr # PSMR25-8-7-A

  • Zoro # G8448903

product price: $37.15
/ea

Key Features

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

Product Information

MFR #
PSMR25-8-7-A
Zoro #
G8448903
UPC #
634529033197
Country of Origin
United States

Dimensions

Bore Dia.
8mm x 7mm
Outside Dia.
25.4 mm
Overall Length
31.8 mm
Screw Size (mm)
M4
Clearance Dia. (mm)
31.8
Outside Dia. (In.)
1
Screw Size
M4
Overall Length (mm)
31.8
Clearance Dia. (In.)
1.25 in
Size
PSMR25
Length through Bore
13.84 mm
Length through Bore (In.)
0.545
Length through Bore (mm)
13.84
Outside Dia. (mm)
25.4 mm
Overall Length (In.)
1.25
Different Bore Sizes
Yes
Screw Thread Size
M4
Bore Diameter 1
8 mm
Length Through Bore 1
14.7 mm
Coupling Outside Diameter
25.4 mm
Length Through Bore 2
14.7 mm
Bore Diameter 2
7 mm

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Max. Temp. Range (F)
225 Degrees
Max. Angular Misalignment
3 Degrees
Max. Parallel Misalignment (In.)
0.015 in
Max. Bore (mm)
8 mm
Setscrew Location
2 (120 Degrees )
Rated Torque
33 in-lb
Max. Axial Misalignment (In.)
+/-0.01
Material
Aluminum
Max. RPM
6,000 RPM
Item - Motion Control Couplings
Motion Control Coupling
Torque (In.-Lbs.)
33
Max. Temp.
225 Degrees F
Style
4-Beam Set Screw
Min. Bore (mm)
7
Torsional Stiffness (Deg./In.-Lbs.)
0.177
Screw Type
Set Screw
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
+0.025/-0.000 mm
Maximum Operating Temperature
107 Degrees C
Shaft Tolerance
+0.000/-0.013 mm
Angular Misalignment
3 Degrees
Number of Locking Screws
4
Maximum Speed
6,000 RPM
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Number of Beams
4
Parallel Misalignment
0.38 mm
Coupling Material Finish
Bright
Bore Type
Round
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
Coupling Material Grade
7075
Coupling Material
Aluminum
Maximum Torque
3.73 N-m
Dynamic Torque Non-Reversing
1.87 N-m
Moment of Inertia
0.000003394 kgf/m sq
Axial Motion
0.25 mm
Zero Backlash
Yes
Dynamic Torque Reversing
0.93 N-m
Shaft Locking Type
Set Screw
Series
PSMR
Torsional Stiffness
0.64 N-m/Deg
Included Screws
(4) Set Screw
Fastener Tightening Torque
1.76 N-m
Screw Material Finish
Black Oxide
For Misalignment Type
Angular, Axial, Parallel
Minimum Operating Temperature
-40 Degrees C
Full Bearing Support Required
Yes

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 8 mm, Bore Diameter 2 7 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 Yes, Torsional Stiffness 0.64 N-m/Deg, Bore Type Round, Shaft Locking Type Set Screw, 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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