Specification Brand : Ruland BulletPoint1 : Six beam couplings have higher torque and torsional stiffness than four and single beam couplings for use in light duty power transmission applications such as connecting a motor to a lead screw BulletPoint2 : Zero-backlash and a balanced design for reduced vibration at speeds up to 6,000 RPM BulletPoint3 : Manufactured from 7075 aluminum for light weight and low inertia BulletPoint4 : Nypatch anti-vibration hardware prevents galling, maintains high holding power, and allows for multiple screw insertions.Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities BulletPoint5 : Ruland beam couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant ExternallyAssignedProductIdentifier1 : 634529007457 ExternallyAssignedProductIdentifier2 : 0634529007457 ExternallyAssignedProductIdentifier3 : 00634529007457 ItemName : Ruland FCMR19-8-7-A 7075 Aluminum Beam Coupling, 6-Beam Clamp Style, 8 mm x 7 mm Bores, 19.1 mm OD, 31.8 mm Length ItemPackageDimensions_Height : 0.8 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : Ruland Manufacturing Co., Inc. Material : 7075 Aluminum MaximumRotationalSpeed : 6000 rpm ModelNumber : FCMR19-8-7-A NumberOfItems : 1 PartNumber : FCMR19-8-7-A ProductSiteLaunchDate : 2015-10-06T08:00:01.000Z StreetDate : 2017-03-12T00:00:01Z Style : Modern