Clamp Bellows Cplg, Bores 8mmx0.313", OD 0.750", L 1.188", Aluminum

  • Mfr # BC12-8MM-5/16"-A

  • Zoro # G3415048


product price:  $74.95
/ea

Key Features

Bore Dia.
8 mm x 0.313 in
Max. RPM
10000 RPM
Outside Dia.
0.750 in (19.1 mm)
Overall Length
1.188 in (30.2 mm)
Screw Size
M2.5
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Specifications

Product Information

MFR #
BC12-8MM-5/16"-A
Zoro #
G3415048
UPC #
634529232583
Country of Origin
United States

Dimensions

Bore Dia.
8 mm x 0.313 in
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
Material
Anodized Aluminum
Style
Clamp
Max. Parallel Misalignment (In.)
0.004 in (0.10 mm)
Max. Temp. Range (F)
-40°F to 200°F (-40°C to 93°C)
Torsional Stiffness (Deg./In.-Lbs.)
120 lb-in/Deg (14 Nm/Deg)
Max. Angular Misalignment
1.5 deg
Weight
0.0367 lbs
Dynamic Torque Non-Reversing
20 lb-in (2.25 Nm)
Axial Motion
0.010 in (0.25 mm)
Screw Finish
Black Oxide
B2 Shaft Penetration
0.570 in
Measurement Type
Inch/Metric
B1 Shaft Penetration
14.4 mm
Screw Material
Alloy Steel
Screw Seating Torque
1.21 Nm
Number of Screws
2 ea
Static Torque
40 lb-in (4.5 Nm)
Recommended Shaft Tolerance
+0.000 mm / -0.013 mm
Dynamic Torque Reversing
10 lb-in (1.13 Nm)
Bore Tolerance
+0.001 in / -0.000 in (+0.03 mm / -0.00 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 8mm x 0.313" 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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