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  11. Coupling, Bellows Clamp, 1/2in.x 3/8in.
Ruland Coupling, Bellows Clamp, 1/2in.x 3/8in. BC21-8-6-A - main

Coupling, Bellows Clamp, 1/2in.x 3/8in.

  • Mfr # BC21-8-6-A

  • Zoro # G8332572

product price: $118.99
/ea
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Key Features

Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Inch
Material - Couplings
Aluminum
Outside Dia.
1.313 in
Overall Length
1.7 in
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Specifications

Product Information

MFR #
BC21-8-6-A
Zoro #
G8332572
UPC #
634529062791
Country of Origin
United States

Dimensions

Bore Dia.
1/2 in x 3/8 in
Outside Dia.
1.313 in
Overall Length
1.7 in
Outside Dia. (In.)
1.313
Length through Bore (In.)
0.811
Clearance Dia. (In.)
1.313 in
Size
BC21
Length through Bore
0.811 in
Screw Size (mm)
M3
Overall Length (mm)
41.00
Screw Size
M3
Outside Dia. (mm)
33.3
Length through Bore (mm)
20.5
Overall Length (In.)
1.623
Clearance Dia. (mm)
33.3
Bore Diameter 1
1/2 in
Coupling Outside Diameter
1.31 in
Screw Thread Size
M3
Different Bore Sizes
Yes
Bore Diameter 2
3/8 in
Length Through Bore 2
0.8 in
Minimum Bore Diameter
3/8 in
Hub Length
0.59 in
Length Through Bore 1
0.8 in
Clearance Diameter
1.31 in
Maximum Bore Diameter
1/2 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Clamp
System of Measurement
Inch
Material - Couplings
Aluminum
Finish
Black Anodized
Min. Bore (In.)
0.375 in
Rated Torque
120 in-lb
Max. Angular Misalignment
1.5 Degrees
Max. RPM
10,000 RPM
Item - Motion Control Couplings
Motion Control Coupling
Style
Bellows Clamp
Torque (In.-Lbs.)
120
Torsional Stiffness (Deg./In.-Lbs.)
400
Max. Parallel Misalignment (In.)
0.006 in
Max. Temp.
200 Degrees F
Max. Bore (In.)
0.5 in
Max. Axial Misalignment (In.)
+/-0.016
Screw Type
Cap Screw
Material
Aluminum
Max. Temp. Range (F)
200 Degrees
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Application
Encoders, Stepper / Servo
Screw Material
Alloy Steel
Bore Tolerance
+0.001 in / -0.000 in
Bore Type
Round
Bellows Material
Stainless Steel
Bellows Material Finish
None
Torsional Stiffness
400 in-lb/Deg
Dynamic Torque Reversing
30 lb-in
Maximum Speed
10,000 RPM
Hub Material Grade
2024
Full Bearing Support Required
Yes
Hub Material
Aluminum
Shaft Tolerance
+0.0000 in / -0.0005 in
Number of Locking Screws
2
Maximum Torque
120 in-lb
Parallel Misalignment
0.006 in
Angular Misalignment
1.5 Degrees
Minimum Operating Temperature
-40 Degrees F
Fastener Tightening Torque
18.6 in-lb
Moment of Inertia
0.037102 lb-in sq
Features
Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash
Shaft Locking Type
Clamp On
Maximum Operating Temperature
200 Degrees F
Dynamic Torque Non-Reversing
60 lb-in
Zero Backlash
Yes
Included Screws
(2) Hex Socket Cap Screw
Bellows Material Grade
MIL-A-8625 Type II; Class 2 and ASTM B580 Type B
Hub Material Finish
Sulfuric Anodized MIL-A-8625 Type II; Class 2 and ASTM B580 Type B Black Anodize
For Misalignment Type
Angular, Axial, Parallel
Axial Motion
0.016 in
Screw Material Finish
Black Oxide

Description

Motion Control Coupling, Bore Diameter 1 1/2 in, Bore Diameter 2 3/8 in, Coupling Outside Diameter 1.31 in, Maximum Speed 10,000 RPM, Maximum Torque 120 in-lb, Hub Material Aluminum, Overall Length 1.7 in, Shaft Locking Type Clamp On, System of Measurement Inch, Clearance Diameter 1.31 in, Bellows Material Stainless Steel, Different Bore Sizes Yes, Length Through Bore 1 0.8 in, Length Through Bore 2 0.8 in, Parallel Misalignment 0.006 in, Bore Type Round, Dynamic Torque Non-Reversing 60 lb-in

Restrictions

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

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