Clamp Bellows Cplg, Bores 8mmx0.250", OD 0.750", L 1.188", Aluminum

  • Mfr # BC12-8MM-1/4"-A

  • Zoro # G3406088


product price:  $82.45
/ea
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Key Features

Bore Dia.
8 mm x 0.250 in
Max. RPM
10000 RPM
Outside Dia.
0.750 in (19.1 mm)
Overall Length
1.188 in (30.2 mm)
Max. Angular Misalignment
1.5 deg
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Specifications

Product Information

MFR #
BC12-8MM-1/4"-A
Zoro #
G3406088
UPC #
634529232569
Country of Origin
United States

Dimensions

Bore Dia.
8 mm x 0.250 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
Max. Angular Misalignment
1.5 deg
Material
Anodized Aluminum
Torsional Stiffness (Deg./In.-Lbs.)
120 lb-in/Deg (14 Nm/Deg)
Style
Clamp
Max. Temp. Range (F)
-40°F to 200°F (-40°C to 93°C)
Max. Parallel Misalignment (In.)
0.004 in (0.10 mm)
Weight
0.0377 lbs
Dynamic Torque Reversing
10 lb-in (1.13 Nm)
B2 Shaft Penetration
0.570 in
Recommended Shaft Tolerance
+0.000 mm / -0.013 mm
Screw Seating Torque
1.21 Nm
Axial Motion
0.010 in (0.25 mm)
Static Torque
40 lb-in (4.5 Nm)
B1 Shaft Penetration
14.4 mm
Number of Screws
2 ea
Measurement Type
Inch/Metric
Screw Material
Alloy Steel
Bore Tolerance
+0.001 in / -0.000 in (+0.03 mm / -0.00 mm)
Dynamic Torque Non-Reversing
20 lb-in (2.25 Nm)
Screw Finish
Black Oxide

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 0.250" 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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