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This item is Discontinued.

Ruland Coupling, Bellows Set Screw, 3/8in.x3/8in. BS21-6-6-A

Coupling, Bellows Set Screw, 3/8in.x3/8in. (Discontinued)

  • Mfr # BS21-6-6-A
  • Zoro # G7847637
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Specifications

Product Information

MFR #
BS21-6-6-A
Zoro #
G7847637
UPC #
634529063293
Country of Origin
United States

Dimensions

Bore Dia.
3/8 in x 3/8 in
Outside Dia.
1.313 in
Overall Length
1.69 in
Overall Length (In.)
1.623
Outside Dia. (mm)
33.3
Overall Length (mm)
41.00
Screw Size (mm)
M4
Outside Dia. (In.)
1.313
Screw Size
M4
Length through Bore (mm)
20.5
Length through Bore (In.)
0.811
Clearance Dia. (In.)
1.313 in
Length through Bore
0.811 in
Clearance Dia. (mm)
33.3
Size
BS21
Hub Length
0.59 in
Different Bore Sizes
No
Length Through Bore 2
0.8 in
Minimum Bore Diameter
3/8 in
Length Through Bore 1
0.8 in
Bore Diameter 1
3/8 in
Bore Diameter 2
3/8 in
Maximum Bore Diameter
3/8 in
Screw Thread Size
M4
Coupling Outside Diameter
1.31 in
Clearance Diameter
1.31 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Inch
Material - Couplings
Aluminum
Finish
Black Anodized
Material
Aluminum
Max. Parallel Misalignment (In.)
0.006 in
Max. Temp. Range (F)
200 Degrees
Style
Bellows Set Screw
Max. Axial Misalignment (In.)
+/-0.016
Screw Type
Set Screw
Torque (In.-Lbs.)
120
Max. Bore (In.)
0.375 in
Max. Angular Misalignment
1.5 Degrees
Max. RPM
10,000 RPM
Min. Bore (In.)
0.375 in
Max. Temp.
200 Degrees F
Torsional Stiffness (Deg./In.-Lbs.)
400
Item - Motion Control Couplings
Motion Control Coupling
Rated Torque
120 in-lb
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
Included Screws
(4) Set Screw
Hub Material Finish
Sulfuric Anodized MIL-A-8625 Type II; Class 2 and ASTM B580 Type B Black Anodize
Maximum Operating Temperature
200 Degrees F
Axial Motion
0.016 in
Bellows Material Grade
MIL-A-8625 Type II; Class 2 and ASTM B580 Type B
Screw Material Finish
Black Oxide
Bore Type
Round
Shaft Locking Type
Set Screw
For Misalignment Type
Angular, Axial, Parallel
Dynamic Torque Non-Reversing
60 lb-in
Fastener Tightening Torque
19.5 in-lb
Parallel Misalignment
0.006 in
Full Bearing Support Required
Yes
Maximum Torque
120 in-lb
Torsional Stiffness
400 in-lb/Deg
Number of Locking Screws
4
Features
Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash
Hub Material
Aluminum
Dynamic Torque Reversing
30 lb-in
Minimum Operating Temperature
-40 Degrees F
Hub Material Grade
2024
Bellows Material Finish
None
Bellows Material
Stainless Steel
Shaft Tolerance
+0.0000 in / -0.0005 in
Maximum Speed
10,000 RPM
Angular Misalignment
1.5 Degrees
Zero Backlash
Yes

Description

Motion Control Coupling, Bore Diameter 1 3/8 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 1.69 in, Shaft Locking Type Set Screw, System of Measurement Inch, Clearance Diameter 1.31 in, Bellows Material Stainless Steel, Different Bore Sizes No, 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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