As an Amazon Associate, we earn from qualifying purchases. Ruland Ruland . PSR20-1/4"-6MM-A Gallery Attributes Brand name, Manufacturer name, Manufacturer, Extra Product NameRuland Attribute000.250 in x 6 mm Attribute016000 RPM Attribute021.250 in (31.8 mm) Attribute031.500 in (38.1 mm) Attribute04Beam Coupling,4 Beam,1/4"x6mm,Aluminum Attribute050.060 Deg/lb-in (0.53 Deg/Nm) Attribute06Set Screw Attribute073 deg Attribute08Aluminum Attribute09-40?F to 225?F (-40?C to 107?C) Attribute100.015 in (0.38 mm) Attribute1117.6 mm Attribute120.010 in (0.25 mm) Attribute13Black Oxide Attribute14M6 Attribute15Alloy Steel Attribute1634 lb-in (3.84 Nm) Attribute17+0.001 in / -0.000 in (+0.025 mm / -0.000 mm) Attribute18Metric Attribute190.695 in Attribute2017 lb-in (1.92 Nm) Attribute21+0.0000 in / -0.0005 in (+0.000 mm / -0.013 mm) Attribute227.2 Nm Attribute234 ea Attribute2468 lb-in (7.68 Nm) Attribute250.0340 lb-in<sup>2</sup>, 9.948 x10<sup>-6</sup> kg-m<sup>2</sup> Attribute26Inch/Metric Attribute27United States AttributeKey00Bore Dia. AttributeKey01Max. RPM AttributeKey02Outside Dia. AttributeKey03Overall Length AttributeKey04Item AttributeKey05Torsional Stiffness (Deg./In.-Lbs.) AttributeKey06Style AttributeKey07Max. Angular Misalignment AttributeKey08Material AttributeKey09Max. Temp. Range (F) AttributeKey10Max. Parallel Misalignment (In.) AttributeKey11B2 Shaft Penetration AttributeKey12Axial Motion AttributeKey13Screw Finish AttributeKey14Set Screw Size AttributeKey15Screw Material AttributeKey16Dynamic Torque Non-Reversing AttributeKey17Bore Tolerance AttributeKey18Fastening Dimensions AttributeKey19B1 Shaft Penetration AttributeKey20Dynamic Torque Reversing AttributeKey21Recommended Shaft Tolerance AttributeKey22Screw Seating Torque AttributeKey23Number of Screws AttributeKey24Static Torque AttributeKey25Moment of Inertia AttributeKey26Measurement Type AttributeKey27Country of Origin (subject to change) DimensionUnitinch GraingerSku, MPNPSR20-1/4"-6MM-A UPC634529198896 UnitOfMeasureEA Weight0.36 WeightUnitlbs cali_prop65_messageWARNING: This product can expose you to chemicals including Ethylene thiourea, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. cali_prop65_orglabel, cali_prop65_whtlabelTrue cali_prop65_warnmsgscenario, length7 countryOfOriginUS extendedLead10 extendedQty-2 height, moq, multiple, tierMinQty11 jsonUrlData924526ffbdad25e5923b qtyInStock0 qtyInStockOverrideDrop Ship SKUG7096052 tierPrice156.37 urlhttps://www.zoro.com/ruland-motion-control-coupling-4-beam-14x6mm-aluminum-od-1250-l-1500-psr20-14-6mm-a/i/G7096052/ width4 Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG7096052111 @ $56.37 Digi-Key1360215611011 @ $97.45