Clamp Bellows Cplg, Bores 0.313"x7mm, OD 0.750", L 1.188", Aluminum

  • Mfr # BC12-5/16"-7MM-A

  • Zoro # G3405080


product price:  $74.95
/ea

Key Features

Bore Dia.
0.313 in x 7 mm
Max. RPM
10000 RPM
Outside Dia.
0.750 in (19.1 mm)
Overall Length
1.188 in (30.2 mm)
Max. Parallel Misalignment (In.)
0.004 in (0.10 mm)
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Specifications

Product Information

MFR #
BC12-5/16"-7MM-A
Zoro #
G3405080
UPC #
634529232514
Country of Origin
United States

Dimensions

Bore Dia.
0.313 in x 7 mm
Outside Dia.
0.750 in (19.1 mm)
Overall Length
1.188 in (30.2 mm)
Screw Size
M2.5
Length
1.188 in (30.2 mm)
Fastening Dimensions
Metric

Details

Max. RPM
10000 RPM
Max. Parallel Misalignment (In.)
0.004 in (0.10 mm)
Max. Temp. Range (F)
-40°F to 200°F (-40°C to 93°C)
Max. Angular Misalignment
1.5 deg
Material
Anodized Aluminum
Style
Clamp
Torsional Stiffness (Deg./In.-Lbs.)
120 lb-in/Deg (14 Nm/Deg)
Weight
0.0374 lbs
Screw Material
Alloy Steel
Number of Screws
2 ea
Screw Seating Torque
1.21 Nm
Axial Motion
0.010 in (0.25 mm)
Dynamic Torque Non-Reversing
20 lb-in (2.25 Nm)
Measurement Type
Inch/Metric
Static Torque
40 lb-in (4.5 Nm)
B2 Shaft Penetration
14.4 mm
Bore Tolerance
+0.001 in / -0.000 in (+0.03 mm / -0.00 mm)
B1 Shaft Penetration
0.570 in
Screw Finish
Black Oxide
Dynamic Torque Reversing
10 lb-in (1.13 Nm)
Recommended Shaft Tolerance
+0.000 mm / -0.013 mm

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 0.313" x 7mm bores, 0.750" (19.1mm) OD, and 1.188" (30.2mm) length. This coupling has a five 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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