Zoro Homepage

Disc Coupling

  • Mfr # DCDK44-1"-25MM-A

  • Zoro # G908678070


product price: $233.99
/ea
Free Shipping & Returns

Key Features

Overall Length
3 17/32 in
Screw Material
Alloy Steel
Dynamic Torque Reversing
212.5 in-lb
Bore Tolerance
+0.001/-0.000 in
Dynamic Torque Non-Reversing
425 in-lb
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 #
DCDK44-1"-25MM-A
Zoro #
G908678070
UPC #
-
Country of Origin
United States

Dimensions

Overall Length
3 17/32 in
Coupling Outside Diameter
2 3/4 in
Bore Diameter 2
25 mm
Keyway Width 1
1/4 in
Bore Diameter 1
1 in
Maximum Bore Diameter
1 in
Different Bore Sizes
Yes
Keyway Depth 1
1/8 in
Keyway Width 2
8 mm
Minimum Bore Diameter
25 mm
Hub Length
1.2 in
Clearance Diameter
2.8 in
Screw Length
20 mm
Length Through Bore 2
1.7 in
Keyway Depth 2
3.3 mm
Screw Thread Size
M8
Length Through Bore 1
1.7 in

Details

Screw Material
Alloy Steel
Item
Disc Coupling
Dynamic Torque Reversing
212.5 in-lb
Bore Tolerance
+0.001/-0.000 in
Dynamic Torque Non-Reversing
425 in-lb
Moment of Inertia
1.682 lb-in sq
Axial Motion
0.03 in
Disc Material
Stainless Steel
Maximum Speed
10,000 RPM
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Zero Backlash
Yes
Hub Material
Aluminum
Features
Balanced Design for High RPM, Constant Velocity, High Torque, High Torsional Stiffness, Long Life, Low Inertia, No Maintenance
Center Spacer Material
Aluminum
Hub Material Grade
2024
Number of Discs
2 with Center Spacer
Bore Type
Round with Keyway
Disc Material Grade
302
Maximum Operating Temperature
200 Degrees F
System of Measurement
Inch to Metric Bore
Shaft Locking Type
Clamp On
Minimum Operating Temperature
-40 Degrees F
Application
Encoders, Stepper/Servo
Angular Misalignment
2 Degrees
Disc Material Finish
Plain
Screw Material Finish
Black Oxide
Maximum Torque
850 in-lb
Shaft Tolerance
+0.0000 in/-0.0005 in
Torsional Stiffness
1,600 in-lb/Deg
Fastener Tightening Torque
39 N-m
For Misalignment Type
Angular, Axial, Parallel
Parallel Misalignment
0.012 in
Full Bearing Support Required
Yes
For Motion Type
Continuous, Forward and Reverse, Start and Stop
Number of Locking Screws
2
Hub Material Finish
Anodized
Included Screws
(2) Hex Cap Screws

Description

Disc Coupling, Angular Misalignment 2 Degrees , Axial Motion 0.03 in, Bore Diameter 1 1 in, Bore Diameter 2 25 mm, Bore Type Round with Keyway, Clearance Diameter 2.8 in, Dynamic Torque Non-Reversing 425 in-lb, Hub Length 1.2 in, Hub Material Aluminum, Dynamic Torque Reversing 212.5 in-lb, Coupling Outside Diameter 2 3/4 in, Number of Discs 2 with Center Spacer, Center Spacer Material Aluminum, Length Through Bore 1 1.7 in, Length Through Bore 2 1.7 in, Maximum Bore Diameter 1 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.