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RULAND MANUFACTURING BC21-13MM-5/16"-A Bellows Coupling, 13mm x 0.3125 Inch Bore, 1.313 Inch O.D., 1.7 Inch Length

Item: DK6KWK Model: BC21-13MM-5/16"-A
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Get it by Monday, Jun 16

£138.71 /unit (Inc. VAT)
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Product Specifications:

Angular Misalignment1.5°
Axial Motion0.016 in (0.40 mm)
B1 Max Shaft Penetration0.804 in (20.4 mm)
B2 Max Shaft Penetration0.804 in (20.4 mm)
Balanced DesignYes
Bellows Attachment MethodEpoxy
Bore (b1)13 mm
Bore Tolerance+0.001 in / -0.000 in (+0.03 mm / -0.00 mm)
Dynamic Torque Non-reversing60 lb-in (6.80 Nm)
Dynamic Torque Reversing30 lb-in (3.40 Nm)
Finish SpecificationSulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize
Forged Clamp ScrewM3
Full Bearing Support Required?Yes
Hex Wrench Size2.5 mm
Hub Width (lh)0.590 in (15.00 mm)
Length (l)1.700 in (43.2 mm)
Length Tolerance+/- 0.030 in (0.76 mm)
Material SpecificationHubs: 2024-T351 Aluminum Bar
Maximum Speed10,000 RPM
Moment Of Inertia0.036620 lb-in
Number Of Screws2 ea
Outer Diameter (od)1.313 in (33.3 mm)
Parallel Misalignment0.006 in (0.15 mm)
Recommended Hex KeyMetric Hex Keys
Recommended Shaft Tolerance+0.0000 / -0.0005 " (+0.000 / -0.013 mm)
Screw FinishBlack Oxide
Screw MaterialAlloy Steel
Seating Torque2.1 Nm
Small Bore (b2)0.3125 in
Static Torque120 lb-in (13.6 Nm)
Temperature-40°F to 200°F (-40°C to 93°C)
Torque WrenchTW:BT-1R-1/4-18.3
Torsional Stiffness400 lb-in/Deg (45 Nm/Deg)
Zero-backlash?Yes

Shipping Info:

Ship weight (kg) 0.07
Ship height (cm)3.34
Ship length (cm)4.32
Ship width (cm)3.34
Country of OriginUS

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RULAND MANUFACTURING BC21-13MM-5/16"-A Bellows Coupling, 13mm x 0.3125 Inch Bore, 1.313 Inch O.D., 1.7 Inch Length
£138.71 /unit (Inc. VAT)