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Ruland Bellows Coupling BCK44-1 1/4"-30MM-A - main

Bellows Coupling

  • Mfr # BCK44-1 1/4"-30MM-A

  • Zoro # G108675893

product price: $228.99
/ea
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Key Features

Overall Length
3.44 in
Dynamic Torque Non-Reversing
462.5 lb-in
Moment of Inertia
1.437 lb-in sq
Axial Motion
0.03 in
Dynamic Torque Reversing
231.3 lb-in
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Specifications

Product Information

MFR #
BCK44-1 1/4"-30MM-A
Zoro #
G108675893
UPC #
-
Country of Origin
United States

Dimensions

Overall Length
3.44 in
Different Bore Sizes
Yes
Minimum Bore Diameter
30 mm
Coupling Outside Diameter
2.75 in
Bore Diameter 2
30 mm
Maximum Bore Diameter
1 1/4 in
Bore Diameter 1
1 1/4 in
Screw Thread Size
M8
Keyway Width 2
8 mm
Keyway Depth 2
3.3 mm
Length Through Bore 2
1.58 in
Keyway Width 1
1/4 in
Clearance Diameter
2.75 in
Hub Length
1.2 in
Keyway Depth 1
1/8 in
Length Through Bore 1
1.58 in

Details

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

Description

Bellows Coupling, Bore Diameter 1 1 1/4 in, Bore Diameter 2 30 mm, 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 to Metric Bore, Clearance Diameter 2.75 in, Bellows Material Stainless Steel, Different Bore Sizes Yes, 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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