Clamp Bellows Cplg, Bores 20mmx0.375", OD 1.625", L 2.000", Aluminum

  • Mfr # BC26-20MM-3/8"-A

  • Zoro # G3405738


product price:  $107.99
/ea
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Key Features

Bore Dia.
20 mm x 0.375 in
Max. RPM
10000 RPM
Outside Dia.
1.625 in (41.3 mm)
Overall Length
2.000 in (50.8 mm)
Style
Clamp
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Specifications

Product Information

MFR #
BC26-20MM-3/8"-A
Zoro #
G3405738
UPC #
634529233658
Country of Origin
United States

Dimensions

Bore Dia.
20 mm x 0.375 in
Outside Dia.
1.625 in (41.3 mm)
Overall Length
2.000 in (50.8 mm)
Screw Size
M4
Length
2.000 in (50.8 mm)
Fastening Dimensions
Metric

Details

Max. RPM
10000 RPM
Style
Clamp
Torsional Stiffness (Deg./In.-Lbs.)
550 lb-in/Deg (63 Nm/Deg)
Max. Angular Misalignment
2.0 deg
Max. Temp. Range (F)
-40°F to 200°F (-40°C to 93°C)
Max. Parallel Misalignment (In.)
0.010 in (0.25 mm)
Material
Anodized Aluminum
Weight
0.2777 lbs
Number of Screws
2 ea
B1 Shaft Penetration
24 mm
Dynamic Torque Reversing
62.5 lb-in (7.00 Nm)
B2 Shaft Penetration
0.946 in
Recommended Shaft Tolerance
+0.000 mm / -0.013 mm
Screw Finish
Black Oxide
Axial Motion
0.020 in (0.50 mm)
Dynamic Torque Non-Reversing
125 lb-in (14.00 Nm)
Static Torque
250 lb-in (28.0 Nm)
Screw Material
Alloy Steel
Bore Tolerance
+0.001 in / -0.000 in (+0.03 mm / -0.00 mm)
Screw Seating Torque
4.6 Nm
Measurement Type
Inch/Metric

Description

Ruland standard length bellows couplings are a high torque zero-backlash coupling commonly found in responsive systems on semiconductor, solar, test and measurement, and printing equipment. This clamp type bellows coupling consists of two anodized aluminum hubs and a stainless steel bellows creating a lightweight low inertia coupling. It has 20mm x 0.375" bores, 1.625" (41.3mm) OD, and 2.000" (50.8mm) length. This coupling has a four convolution bellows for higher torque and torsional stiffness capabilities than equivalent couplings with more convolutions. The bellows are able to flex while remaining rigid under torsional loads allowing for all types of misalignment to be accommodated. This bellows coupling has a balanced design for reduced vibration at high speeds of up to 10,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards. It is RoHS and REACH compliant.

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