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Bellows Coupling

  • Mfr # BCK50-20-20-A

  • Zoro # G008677294

product price:  $302.99
/ea
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Key Features

Overall Length
3.82 in
Dynamic Torque Non-Reversing
675 lb-in
Dynamic Torque Reversing
337.5 lb-in
Axial Motion
0.03 in
Moment of Inertia
2.799 lb-in sq
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Specifications

Product Information

MFR #
BCK50-20-20-A
Zoro #
G008677294
UPC #
-
Country of Origin
United States

Dimensions

Overall Length
3.82 in
Coupling Outside Diameter
3.13 in
Bore Diameter 1
1 1/4 in
Bore Diameter 2
1 1/4 in
Different Bore Sizes
No
Keyway Width 2
1/4 in
Length Through Bore 1
1.75 in
Length Through Bore 2
1.75 in
Maximum Bore Diameter
1 1/4 in
Keyway Depth 2
1/8 in
Keyway Depth 1
1/8 in
Screw Thread Size
M8
Keyway Width 1
1/4 in
Hub Length
1.38 in
Clearance Diameter
3.13 in
Minimum Bore Diameter
1 1/4 in
Screw Length
25 mm

Details

Dynamic Torque Non-Reversing
675 lb-in
Dynamic Torque Reversing
337.5 lb-in
Axial Motion
0.03 in
Moment of Inertia
2.799 lb-in sq
Screw Material
Alloy Steel
Item
Bellows Coupling
Bore Tolerance
+0.001/-0.000 in
System of Measurement
Inch
Hub Material Grade
2024
Bellows Material
Stainless Steel
Bellows Material Grade
321
Hub Material
Aluminum
Angular Misalignment
2 Degrees
Bellows Material Finish
None
Bore Type
Round Keyed
Hub Material Finish
Sulfuric Anodized
Fastener Tightening Torque
39 N-m
Minimum Operating Temperature
-40 Degrees F
For Misalignment Type
Angular, Axial, Parallel
Torsional Stiffness
3,500 in-lb/Deg
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Application
Encoders, Stepper / Servo
Maximum Operating Temperature
200 Degrees F
Shaft Tolerance
+0.0000 in / -0.0005 in
Shaft Locking Type
Clamp On
Parallel Misalignment
0.012 in
Maximum Torque
1,350 lb-in
Features
Balanced Design for High RPM,Constant Velocity,High Torque with Low Inertia,High Torsional Stiffness,Long Life with no Maintenance
Screw Material Finish
Black Oxide
Maximum Speed
10,000 RPM
Number of Locking Screws
2
Full Bearing Support Required
Yes
Zero Backlash
Yes
Included Screws
(2) Hex Cap Screw

Description

Bellows Coupling, Bore Diameter 1 1 1/4 in, Bore Diameter 2 1 1/4 in, Coupling Outside Diameter 3.13 in, Maximum Speed 10,000 RPM, Maximum Torque 1,350 lb-in, Hub Material Aluminum, Overall Length 3.82 in, Shaft Locking Type Clamp On, System of Measurement Inch, Clearance Diameter 3.13 in, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 1.75 in, Length Through Bore 2 1.75 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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