Zoro Homepage
Clipboard Icon Quick Order Cart Icon 0 Cart

Coupling, 6 Beam Clamp, 20mmx20mm

  • Mfr # FCMR38-20-20-A

  • Zoro # G8440765


product price: $115.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Bore Dia.
20mm x 20mm
Material - Couplings
Aluminum
Outside Dia.
38.1 mm
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 #
FCMR38-20-20-A
Zoro #
G8440765
UPC #
634529134801
Country of Origin
United States

Dimensions

Bore Dia.
20mm x 20mm
Outside Dia.
38.1 mm
Overall Length
57.2 mm
Clearance Dia. (mm)
41.71
Screw Size
M5
Length through Bore (mm)
26.47
Outside Dia. (In.)
1.5
Overall Length (mm)
57.2
Clearance Dia. (In.)
1.642 in
Outside Dia. (mm)
38.1
Size
FCMR38
Overall Length (In.)
2.25
Screw Size (mm)
M5
Length through Bore
26.47 mm
Length through Bore (In.)
1.042
Screw Thread Size
M5
Different Bore Sizes
No
Length Through Bore 1
27.3 mm
Length Through Bore 2
27.3 mm
Bore Diameter 2
20 mm
Bore Diameter 1
20 mm
Coupling Outside Diameter
38.1 mm

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Max. Bore (mm)
20 mm
Style
6-Beam Clamp
Material
Aluminum
Max. Angular Misalignment
3 Degrees
Max. Temp. Range (F)
225 Degrees
Item - Motion Control Couplings
Motion Control Coupling
Max. Parallel Misalignment (In.)
0.03 in
Torsional Stiffness (Deg./In.-Lbs.)
0.087
Max. Axial Misalignment (In.)
+/-0.015
Max. RPM
6,000 RPM
Min. Bore (mm)
20
Rated Torque
104 in-lb
Torque (In.-Lbs.)
104
Max. Temp.
225 Degrees F
Screw Type
Cap Screw
Standards
Conflict Minerals Compliant, DIN 912 12.9, REACH Compliant, RoHS3 Compliant
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Screw Material
Alloy Steel with Nypatch
Bore Tolerance
+0.025/-0.000 mm
Number of Locking Screws
2
Dynamic Torque Non-Reversing
5.88 N-m
Torsional Stiffness
1.3 N-m/Deg
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Included Screws
(2) Hex Socket Cap Screw
Minimum Operating Temperature
-40 Degrees C
Dynamic Torque Reversing
2.94 N-m
Number of Beams
6
Maximum Torque
11.75 N-m
Maximum Operating Temperature
107 Degrees C
Axial Motion
0.38 mm
Zero Backlash
Yes
Series
FCMR
Features
Balanced Design for Reduced Vibration, Higher Torque Capacity, Larger Body Sizes than Single or Four Beam Couplings, Lower Windup, Machined from a Single Piece of Material, Spiral Coupling With Nypatch Anti-Vibration Hardware, Two Sets of Three Spiral Cuts, Zero-Backlash
Fastener Tightening Torque
9.5 N-m
Angular Misalignment
3 Degrees
Bore Type
Round
Moment of Inertia
0.000030032 kgf/m sq
Coupling Material Finish
Bright
Shaft Locking Type
Clamp On
Coupling Material Grade
7075
Screw Material Finish
Black Oxide
Shaft Tolerance
+0.000/-0.013 mm
Parallel Misalignment
0.76 mm
Full Bearing Support Required
Yes
For Misalignment Type
Angular, Axial, Parallel
Maximum Speed
6,000 RPM
Coupling Material
Aluminum

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 20 mm, Bore Diameter 2 20 mm, Coupling Material Aluminum, Coupling Outside Diameter 38.1 mm, Maximum Speed 6,000 RPM, Maximum Torque 11.75 N-m, Axial Motion 0.38 mm, Overall Length 57.2 mm, Parallel Misalignment 0.76 mm, System of Measurement Metric, Different Bore Sizes No, Torsional Stiffness 1.3 N-m/Deg, Bore Type Round, Shaft Locking Type Clamp On, Number of Beams 6, Length Through Bore 2 27.3 mm

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.