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+1 (217) 579-8045Martin Sprocket & Gear Martin 1020M20UPC: 697950915647 | UNSPSC: 31163003 | GTIN:Couplings > Grid Couplings > Grid Couplings - CompleteMartin Blue-Flex™ Grid Coupling Assembly, Reboreable, 0.5 to 1.12 in Bore, 4.37 in OD, 3.86 in Overall Length, 1.56 in OD Hub, 1.87 in Length Through Bore, 460 in-lb Torque, 6000 rpm Maximum, 0.68 hp Power, Steel, 4.37 in H DimensionsSpecs:Length Through Bore: 1.87 inHub Size: 1.56 in ODTorque Rating: 460 in-lbPower Rating: 0.68 hpBore Diameter: 0.5 to 1.12 inOutside Diameter: 4.37 inDimensions: 4.37 in HMaterial: SteelOverall Length: 3.86 inMaximum Speed: 6000 rpmType: ReboreablePackaging:Weight: 4.4 lbCertifications/Standards:ANSI Specified | B29.1 - 1975Warranty:Limited