Zoro Homepage
Clipboard Icon Quick Order
Cart Icon 0 Cart
  1. Home
  2. /
  3. Power Transmission
  4. /
  5. Bearings, V-belts & Power Transmission Equipment
  6. /
  7. Couplings, Collars, & Adapters
  8. /
  9. Motion Control Couplings
  10. /
  11. Coupling, Double Disc, Bore 3/8x3/8 In
Ruland Coupling, Double Disc, Bore 3/8x3/8 In DCD21-6-6-A - main

Coupling, Double Disc, Bore 3/8x3/8 In

  • Mfr # DCD21-6-6-A

  • Zoro # G0587824

product price: $102.99
/ea
Free Shipping & Returns

Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
Bore Dia.
3/8 in x 3/8 in
Rated Torque
100 in-lb
Max. RPM
10,000 RPM
Outside Dia.
1.313 in
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 #
DCD21-6-6-A
Zoro #
G0587824
UPC #
634529081761
Country of Origin
United States

Dimensions

Bore Dia.
3/8 in x 3/8 in
Outside Dia.
1.313 in
Overall Length
1 49/64 in
Length through Bore
0.885 in
Overall Length (In.)
1.770
Screw Size
M3
Clearance Dia. (In.)
1.313 in
Outside Dia. (In.)
1.313
Screw Size (mm)
M3
Length through Bore (In.)
0.885
Different Bore Sizes
No
Length Through Bore 2
0.8 in
Bore Diameter 2
3/8 in
Screw Thread Size
M3
Minimum Bore Diameter
3/8 in
Hub Length
0.6 in
Bore Diameter 1
3/8 in
Length Through Bore 1
0.8 in
Maximum Bore Diameter
3/8 in
Coupling Outside Diameter
1 5/16 in

Details

Shaft Locking Type - Couplings
1 Piece Clamp
Rated Torque
100 in-lb
Max. RPM
10,000 RPM
Material - Couplings
Aluminum
Max. Angular Misalignment
2 Degrees
Style
Double Disc Clamp
Max. Temp. Range (F)
200
Material
Aluminum
Disc Type
Stainless Steel
Finish
Anodized Aluminum
Torque (In.-Lbs.)
100
Item - Motion Control Couplings
Motion Control Coupling
Max. Axial Misalignment (In.)
+/-0.016
Max. Temp.
200 Degrees F
Max. Parallel Misalignment (In.)
0.008 in
Item
Motion Control Coupling
Screw Type
Cap Screw
Torsional Stiffness (Deg./In.-Lbs.)
0.003
Moment of Inertia
0.0445 lb-in sq
Dynamic Torque Non-Reversing
50 lb-in
Screw Material
Alloy Steel
Axial Motion
0.016 in
Bore Tolerance
+0.001 in / -0.000 in
Dynamic Torque Reversing
25 lb-in
Screw Material Finish
Black Oxide
Included Screws
(2) Hex Socket Cap Screw
Hub Material
Aluminum
Number of Locking Screws
2
Disc Material Finish
Black Anodized
Disc Material
Stainless Steel
Angular Misalignment
2 Degrees
Hub Material Finish
Anodized Aluminum
Maximum Torque
100 in-lb
Features
Balanced Design for Reduced Vibration, Disc Spring Sets Bend Independent of Each Other, Lightweight and has Low Inertia
System of Measurement
Inch
Shaft Locking Type
Clamp On
Disc Material Grade
302
Minimum Operating Temperature
-10 Degrees F
Fastener Tightening Torque
2.1 N-m
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, REACH Compliant, RoHS Compliant
Full Bearing Support Required
Yes
Hub Material Grade
2024
Application
Precise Positioning Stepper Servo
Shaft Tolerance
+0.0000/-0.0005 in
Parallel Misalignment
0.008 in
Center Spacer Material
Aluminum
Bore Type
Round
Torsional Stiffness
253 in-lb/Deg
For Misalignment Type
Angular, Axial, Parallel
Number of Discs
2 with Center Spacer
Zero Backlash
Yes
Maximum Speed
10,000 RPM
Maximum Operating Temperature
200 Degrees F

Description

Motion Control Coupling, Angular Misalignment 2 Degrees , Axial Motion 0.016 in, Bore Diameter 1 3/8 in, Bore Diameter 2 3/8 in, Bore Type Round, Dynamic Torque Non-Reversing 50 lb-in, Hub Length 0.6 in, Hub Material Aluminum, Dynamic Torque Reversing 25 lb-in, Coupling Outside Diameter 1 5/16 in, Number of Discs 2 with Center Spacer, Center Spacer Material Aluminum, Length Through Bore 1 0.8 in, Length Through Bore 2 0.8 in, Maximum Bore Diameter 3/8 in, Minimum Bore Diameter 3/8 in

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.

Explore More Products