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This item is Discontinued.

Ruland Coupling, Bellows Set Screw, 1/4in.x1/4in. BS12-4-4-A

Coupling, Bellows Set Screw, 1/4in.x1/4in. (Discontinued)

  • Mfr # BS12-4-4-A
  • Zoro # G8381834
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Specifications

Product Information

MFR #
BS12-4-4-A
Zoro #
G8381834
UPC #
634529063095
Country of Origin
United States

Dimensions

Bore Dia.
1/4 in x 1/4 in
Outside Dia.
0.75 in
Overall Length
9.19 in
Screw Size
M3
Overall Length (mm)
30.20
Clearance Dia. (In.)
0.75 in
Screw Size (mm)
M3
Outside Dia. (In.)
0.750
Overall Length (In.)
1.188
Length through Bore
0.594 in
Size
BS12
Length through Bore (mm)
15.1
Outside Dia. (mm)
19.1
Length through Bore (In.)
0.594
Clearance Dia. (mm)
19.1
Minimum Bore Diameter
1/4 in
Maximum Bore Diameter
1/4 in
Length Through Bore 2
0.57 in
Clearance Diameter
0.75 in
Coupling Outside Diameter
0.75 in
Bore Diameter 1
1/4 in
Bore Diameter 2
1/4 in
Hub Length
0.41 in
Length Through Bore 1
0.57 in
Screw Thread Size
M3
Different Bore Sizes
No

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Inch
Material - Couplings
Aluminum
Finish
Black Anodized
Material
Aluminum
Min. Bore (In.)
0.25 in
Rated Torque
40 in-lb
Item - Motion Control Couplings
Motion Control Coupling
Max. Axial Misalignment (In.)
+/-0.010
Torsional Stiffness (Deg./In.-Lbs.)
120
Max. RPM
10,000 RPM
Torque (In.-Lbs.)
40
Max. Temp.
200 Degrees F
Max. Temp. Range (F)
200 Degrees
Max. Bore (In.)
0.25 in
Screw Type
Set Screw
Max. Angular Misalignment
1.5 Degrees
Max. Parallel Misalignment (In.)
0.004 in
Style
Bellows Set Screw
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
Hub Material Grade
2024
Hub Material Finish
Sulfuric Anodized MIL-A-8625 Type II; Class 2 and ASTM B580 Type B Black Anodize
Features
Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash
Bore Type
Round
Dynamic Torque Reversing
10 lb-in
Maximum Operating Temperature
200 Degrees F
Maximum Torque
40 in-lb
Bellows Material Grade
MIL-A-8625 Type II; Class 2 and ASTM B580 Type B
Hub Material
Aluminum
Included Screws
(2) Set Screw
Bellows Material Finish
None
Shaft Tolerance
+0.0000 in / -0.0005 in
Minimum Operating Temperature
-40 Degrees F
Zero Backlash
Yes
Maximum Speed
10,000 RPM
Fastener Tightening Torque
8.1 in-lb
For Misalignment Type
Angular, Axial, Parallel
Angular Misalignment
1.5 Degrees
Full Bearing Support Required
Yes
Dynamic Torque Non-Reversing
20 lb-in
Torsional Stiffness
120 in-lb/Deg
Screw Material Finish
Black Oxide
Bellows Material
Stainless Steel
Shaft Locking Type
Set Screw
Parallel Misalignment
0.004 in
Axial Motion
0.01 in
Number of Locking Screws
2

Description

Motion Control Coupling, Bore Diameter 1 1/4 in, Bore Diameter 2 1/4 in, Coupling Outside Diameter 0.75 in, Maximum Speed 10,000 RPM, Maximum Torque 40 in-lb, Hub Material Aluminum, Overall Length 9.19 in, Shaft Locking Type Set Screw, System of Measurement Inch, Clearance Diameter 0.75 in, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 0.57 in, Length Through Bore 2 0.57 in, Parallel Misalignment 0.004 in, Bore Type Round, Dynamic Torque Non-Reversing 20 lb-in

Restrictions

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

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