1. Home
  2. Power Transmission
  3. Bearings, V-belts & Power Transmission Equipment
  4. Couplings, Collars, & Adapters
  5. Rigid Clamp Couplings
  6. Coupling, Bellows Set Screw, 1/4inx 3/16in

This item is Discontinued.

Ruland Coupling, Bellows Set Screw, 1/4inx 3/16in BS12-4-3-A

Coupling, Bellows Set Screw, 1/4inx 3/16in (Discontinued)

  • Mfr # BS12-4-3-A
  • Zoro # G8089566
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 #
BS12-4-3-A
Zoro #
G8089566
UPC #
634529063088
Country of Origin
United States

Dimensions

Bore Dia.
1/4 in x 3/16 in
Outside Dia.
0.75 in
Overall Length
8.19 in
Clearance Dia. (In.)
0.75 in
Outside Dia. (In.)
0.750
Length through Bore
0.594 in
Length through Bore (In.)
0.594
Screw Size
M3
Length through Bore (mm)
15.1
Outside Dia. (mm)
19.1
Clearance Dia. (mm)
19.1
Overall Length (mm)
30.20
Screw Size (mm)
M3
Overall Length (In.)
1.188
Size
BS12
Length Through Bore 2
0.57 in
Minimum Bore Diameter
3/16 in
Different Bore Sizes
Yes
Bore Diameter 2
3/16 in
Maximum Bore Diameter
1/4 in
Length Through Bore 1
0.57 in
Clearance Diameter
0.75 in
Bore Diameter 1
1/4 in
Coupling Outside Diameter
0.75 in
Hub Length
0.41 in
Screw Thread Size
M3

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

Description

Motion Control Coupling, Bore Diameter 1 1/4 in, Bore Diameter 2 3/16 in, Coupling Outside Diameter 0.75 in, Maximum Speed 10,000 RPM, Maximum Torque 40 in-lb, Hub Material Aluminum, Overall Length 8.19 in, Shaft Locking Type Set Screw, System of Measurement Inch, Clearance Diameter 0.75 in, Bellows Material Stainless Steel, Different Bore Sizes Yes, Length Through Bore 1 0.57 in, Length Through Bore 2 0.57 in, Parallel Misalignment 0.004 in, Bore Type Round

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.