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Bellows Coupling

  • Mfr # BCK44-20-20-A

  • Zoro # G908675918

product price: $228.99
/ea
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Key Features

Overall Length
3.44 in
Bore Tolerance
+0.001/-0.000 in
Axial Motion
0.03 in
Dynamic Torque Reversing
231.3 lb-in
Screw Material
Alloy Steel
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Specifications

Product Information

MFR #
BCK44-20-20-A
Zoro #
G908675918
UPC #
-
Country of Origin
United States

Dimensions

Overall Length
3.44 in
Bore Diameter 1
1 1/4 in
Coupling Outside Diameter
2.75 in
Bore Diameter 2
1 1/4 in
Different Bore Sizes
No
Length Through Bore 1
1.58 in
Screw Thread Size
M8
Keyway Width 1
1/4 in
Clearance Diameter
2.75 in
Minimum Bore Diameter
1 1/4 in
Hub Length
1.2 in
Keyway Depth 2
1/8 in
Keyway Width 2
1/4 in
Maximum Bore Diameter
1 1/4 in
Length Through Bore 2
1.58 in
Keyway Depth 1
1/8 in

Details

Bore Tolerance
+0.001/-0.000 in
Item
Bellows Coupling
Axial Motion
0.03 in
Dynamic Torque Reversing
231.3 lb-in
Screw Material
Alloy Steel
Dynamic Torque Non-Reversing
462.5 lb-in
Moment of Inertia
1.432 lb-in sq
Hub Material
Aluminum
Bellows Material Grade
321
Hub Material Grade
2024
Bellows Material
Stainless Steel
System of Measurement
Inch
Torsional Stiffness
2,100 in-lb/Deg
Shaft Tolerance
+0.0000 in / -0.0005 in
Maximum Operating Temperature
200 Degrees F
Angular Misalignment
2 Degrees
Bore Type
Round Keyed
Screw Material Finish
Black Oxide
Full Bearing Support Required
Yes
Bellows Material Finish
None
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Application
Encoders, Stepper / Servo
Parallel Misalignment
0.012 in
Minimum Operating Temperature
-40 Degrees F
For Misalignment Type
Angular, Axial, Parallel
Fastener Tightening Torque
39 N-m
Hub Material Finish
Sulfuric Anodized
Included Screws
(2) Hex Cap Screw
Number of Locking Screws
2
Shaft Locking Type
Clamp On
Features
Balanced Design for High RPM,Constant Velocity,High Torque with Low Inertia,High Torsional Stiffness,Long Life with no Maintenance
Zero Backlash
Yes
Maximum Speed
10,000 RPM
Maximum Torque
925 lb-in

Description

Bellows Coupling, Bore Diameter 1 1 1/4 in, Bore Diameter 2 1 1/4 in, Coupling Outside Diameter 2.75 in, Maximum Speed 10,000 RPM, Maximum Torque 925 lb-in, Hub Material Aluminum, Overall Length 3.44 in, Shaft Locking Type Clamp On, System of Measurement Inch, Clearance Diameter 2.75 in, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 1.58 in, Length Through Bore 2 1.58 in, Parallel Misalignment 0.012 in, Bore Type Round Keyed

Restrictions

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

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