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Disc Coupling

  • Mfr # DCDK44-1 1/4"-30MM-A
  • Zoro # G908678063
product price: 
$
225.99
/ea
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Key Features

Overall Length
3 17/32 in
Moment of Inertia
1.6547 lb-in sq
Dynamic Torque Reversing
212.5 in-lb
Dynamic Torque Non-Reversing
425 in-lb
Axial Motion
0.03 in
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Specifications

Product Information

MFR #
DCDK44-1 1/4"-30MM-A
Zoro #
G908678063
UPC #
-
Country of Origin
United States

Dimensions

Overall Length
3 17/32 in
Bore Diameter 1
1 1/4 in
Keyway Width 1
1/4 in
Different Bore Sizes
Yes
Coupling Outside Diameter
2 3/4 in
Minimum Bore Diameter
30 mm
Maximum Bore Diameter
1 1/4 in
Bore Diameter 2
30 mm
Keyway Depth 1
1/8 in
Screw Thread Size
M8
Hub Length
1.2 in
Screw Length
20 mm
Length Through Bore 1
1.7 in
Keyway Width 2
8 mm
Clearance Diameter
2.8 in
Keyway Depth 2
3.3 mm
Length Through Bore 2
1.7 in
Wire Rope Length
3 17/32 in
Length
3 17/32 in
Fits Chest Size
Balanced Design for High RPM, Constant Velocity, High Torque, High Torsional Stiffness, Long Life, Low Inertia, No Maintenance

Details

Moment of Inertia
1.6547 lb-in sq
Dynamic Torque Reversing
212.5 in-lb
Dynamic Torque Non-Reversing
425 in-lb
Axial Motion
0.03 in
Bore Tolerance
+0.001/-0.000 in
Item
Disc Coupling
Screw Material
Alloy Steel
Disc Material
Stainless Steel
Zero Backlash
Yes
Bore Type
Round with Keyway
Features
Balanced Design for High RPM, Constant Velocity, High Torque, High Torsional Stiffness, Long Life, Low Inertia, No Maintenance
Number of Discs
2 with Center Spacer
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Hub Material Grade
2024
Minimum Operating Temperature
-40 Degrees F
Disc Material Grade
302
Maximum Operating Temperature
200 Degrees F
Maximum Speed
10,000 RPM
Shaft Locking Type
Clamp On
Center Spacer Material
Aluminum
System of Measurement
Inch to Metric Bore
Hub Material
Aluminum
Application
Encoders, Stepper/Servo
Maximum Torque
850 in-lb
Torsional Stiffness
1,600 in-lb/Deg
Screw Material Finish
Black Oxide
For Motion Type
Continuous, Forward and Reverse, Start and Stop
Parallel Misalignment
0.012 in
Full Bearing Support Required
Yes
Angular Misalignment
2 Degrees
Included Screws
(2) Hex Cap Screws
Shaft Tolerance
+0.0000 in/-0.0005 in
Number of Locking Screws
2
Hub Material Finish
Anodized
For Misalignment Type
Angular, Axial, Parallel
Disc Material Finish
Plain
Fastener Tightening Torque
39 N-m

Description

Disc Coupling, Angular Misalignment 2 Degrees , Axial Motion 0.03 in, Bore Diameter 1 1 1/4 in, Bore Diameter 2 30 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 1/4 in

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

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