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This item is Discontinued.

Ruland Coupling, Bellows Set Screw, 20mmx20mm MBS51-20-20-A

Coupling, Bellows Set Screw, 20mmx20mm (Discontinued)

  • Mfr # MBS51-20-20-A
  • Zoro # G7813276
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Specifications

Product Information

MFR #
MBS51-20-20-A
Zoro #
G7813276
UPC #
634529065327
Country of Origin
United States

Dimensions

Bore Dia.
20mm x 20mm
Outside Dia.
50.8 mm
Overall Length
58.7 mm
Clearance Dia. (In.)
2 in
Screw Size
M6
Length through Bore (mm)
29.3
Length through Bore
29.3 mm
Overall Length (In.)
2.315
Size
MBS51
Screw Size (mm)
M6
Length through Bore (In.)
1.156
Overall Length (mm)
58.70
Outside Dia. (mm)
50.8
Outside Dia. (In.)
2.000
Clearance Dia. (mm)
50.8
Clearance Diameter
50.8 mm
Length Through Bore 2
27.9 mm
Bore Diameter 1
20 mm
Hub Length
20.55 mm
Different Bore Sizes
No
Length Through Bore 1
27.9 mm
Bore Diameter 2
20 mm
Screw Thread Size
M6
Minimum Bore Diameter
20 mm
Maximum Bore Diameter
20 mm
Coupling Outside Diameter
50.8 mm

Details

Shaft Locking Type - Couplings
1 Piece Set Screw
Item
Motion Control Coupling
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Black Anodized
Max. Temp.
200 Degrees F
Torque (In.-Lbs.)
400
Item - Motion Control Couplings
Motion Control Coupling
Style
Bellows Set Screw
Material
Aluminum
Max. Parallel Misalignment (In.)
0.01 in
Max. RPM
10,000 RPM
Min. Bore (mm)
20.0
Max. Angular Misalignment
2 Degrees
Torsional Stiffness (Deg./In.-Lbs.)
950
Rated Torque
400 in-lb
Max. Axial Misalignment (In.)
+/-0.020
Max. Bore (mm)
20 mm
Max. Temp. Range (F)
200 Degrees
Screw Type
Set Screw
Standards
Conflict Minerals Compliant, DIN 912 12.9 Screws, ISO 9001:2015, REACH Compliant, RoHS3 Compliant
Application
Encoders, Stepper / Servo
Bore Tolerance
+0.03 mm / -0.00 mm
Screw Material
Alloy Steel
Angular Misalignment
2 Degrees
Maximum Speed
10,000 RPM
Included Screws
(4) Set Screw
Dynamic Torque Reversing
11.3 N-m
Shaft Locking Type
Set Screw
Zero Backlash
Yes
Shaft Tolerance
+0.000 mm / -0.013 mm
Axial Motion
0.5 mm
Fastener Tightening Torque
7.2 N-m
Parallel Misalignment
0.25 mm
Dynamic Torque Non-Reversing
22.6 N-m
Screw Material Finish
Black Oxide
Bellows Material Finish
None
Minimum Operating Temperature
-40 Degrees C
Bore Type
Round
Number of Locking Screws
4
Bellows Material Grade
MIL-A-8625 Type II; Class 2 and ASTM B580 Type B
Bellows Material
Stainless Steel
Hub Material Finish
Sulfuric Anodized MIL-A-8625 Type II; Class 2 and ASTM B580 Type B Black Anodize
Maximum Operating Temperature
93 Degrees C
Hub Material Grade
2024
Full Bearing Support Required
Yes
Hub Material
Aluminum
Features
Balanced Design for Reduced Vibration, Lightweight and has Low Inertia, Zero Backlash
Torsional Stiffness
108 N-m/Deg
For Misalignment Type
Angular, Axial, Parallel
Maximum Torque
45.2 N-m

Description

Motion Control Coupling, Bore Diameter 1 20 mm, Bore Diameter 2 20 mm, Coupling Outside Diameter 50.8 mm, Maximum Speed 10,000 RPM, Maximum Torque 45.2 N-m, Hub Material Aluminum, Overall Length 58.7 mm, Shaft Locking Type Set Screw, System of Measurement Metric, Clearance Diameter 50.8 mm, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 27.9 mm, Length Through Bore 2 27.9 mm, Parallel Misalignment 0.25 mm, Bore Type Round, Dynamic Torque Non-Reversing 22.6 N-m

Restrictions

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

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