Zoro Homepage
Clipboard Icon Quick Order Cart Icon 0 Cart

Bellows Coupling

  • Mfr # BCK44-1"-25MM-A

  • Zoro # G108675886


product price: $228.99
/ea
Free Shipping & Returns

Key Features

Overall Length
3.44 in
Axial Motion
0.03 in
Dynamic Torque Non-Reversing
462.5 lb-in
Dynamic Torque Reversing
231.3 lb-in
Screw Material
Alloy Steel
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 #
BCK44-1"-25MM-A
Zoro #
G108675886
UPC #
-
Country of Origin
United States

Dimensions

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

Details

Axial Motion
0.03 in
Dynamic Torque Non-Reversing
462.5 lb-in
Dynamic Torque Reversing
231.3 lb-in
Screw Material
Alloy Steel
Bore Tolerance
+0.001/-0.000 in
Moment of Inertia
1.464 lb-in sq
Item
Bellows Coupling
Bellows Material
Stainless Steel
Hub Material Grade
2024
System of Measurement
Inch to Metric Bore
Hub Material
Aluminum
Bellows Material Grade
321
Number of Locking Screws
2
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Application
Encoders, Stepper / Servo
Shaft Tolerance
+0.0000 in / -0.0005 in
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
Fastener Tightening Torque
39 N-m
For Misalignment Type
Angular, Axial, Parallel
Maximum Torque
925 lb-in
Minimum Operating Temperature
-40 Degrees F
Parallel Misalignment
0.012 in
Angular Misalignment
2 Degrees
Bellows Material Finish
None
Torsional Stiffness
2,100 in-lb/Deg
Hub Material Finish
Sulfuric Anodized
Screw Material Finish
Black Oxide
Maximum Operating Temperature
200 Degrees F
Shaft Locking Type
Clamp On
Included Screws
(2) Hex Cap Screw
Maximum Speed
10,000 RPM
Zero Backlash
Yes
Full Bearing Support Required
Yes

Description

Bellows Coupling, Bore Diameter 1 1 in, Bore Diameter 2 25 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

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.