RULAND MANUFACTURING DCD21-8-6-A 1/2 x 3/8 Inch Double Disc Coupling, Aluminum, Clamp Style, 1.313 Inch OD, 1.770 Inch Lg.

Item: AB8XPF
Model: DCD21-8-6-A
Cross Ref: 2ADA8
25 In Stock.

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Specifications

Item Motion Control Coupling
Angular Misalignment
Application Precise Positioning Stepper Servo
Axial Motion 0.016"
Bore Dia. 1/2" x 3/8"
Bore Diameter 1 1/2"
Bore Diameter 2 3/8"
Bore Tolerance -0" to +0.001"
Bore Type Round
Center Spacer Material Aluminum
Clearance Dia. 1.313"
Coupling Outside Diameter 1 5/16"
Different Bore Sizes Yes
Disc Material Stainless Steel
Disc Material Finish Black Anodized
Disc Material Grade 302
Disc Type Stainless Steel
Dynamic Torque Non-reversing 50 lbs.-in.
Dynamic Torque Reversing 25 lbs.-in.
Fastener Tightening Torque 2.1 N-m
Features Balanced Design For Reduced Vibration, Disc Spring Sets Bend Independent Of Each Other, Lightweight And Has Low Inertia
Finish Anodized
For Environment Angular Misalignment, Axial Motion, Parallel Misalignment
For Misalignment Type Angular, Axial, Parallel
Full Bearing Support Required Yes
Hub Length 3/5"
Hub Material Aluminum
Hub Material Finish Anodized Aluminum
Hub Material Grade Grade 2024
Included Screws (2) Hex Socket Cap Screw
Length Through Bore 0.885"
Length Through Bore 1 0.8"
Length Through Bore 2 0.8"
Material Aluminum
Max. Angular Misalignment
Max. Parallel Misalignment 0.008"
Max. Speed 10000 RPM
Max. Temp. Range 200°F
Maximum Operating Temperature 200°F
Minimum Operating Temperature -10°F
Moment Of Inertia 0.0443 lbs.-sq. in.
Number Of Discs 2 With Center Spacer
Number Of Locking Screws 2
Outside Dia. 1.313"
Overall Length 1 49/64"
Parallel Misalignment 0.008"
Rated Torque 100 lbs.-in.
Screw Material Alloy Steel
Screw Material Finish Black Oxide
Screw Thread Size M3
Screw Type Cap Screw
Shaft Locking Type Clamp On
Shaft Tolerance -0.0005" to 0"
Style Double Disc Clamp
System Of Measurement Imperial
Torque 100 lbs.-in.
Torsional Stiffness 253 lbs.-in./deg.
Zero Backlash Yes

Shipping Information

Height (cm) 3.3
Length (cm) 4.5
Width (cm) 3.3
HS Code 8483608000
Country Of Origin US
Weight (kg) 0.081

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