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01G0200
Ball Screw Brakes (6)

The Nexen Ball Screw Brake is a high-torque, spring-engaged brake acting on the machined end of a ball screw. It serves as a primary or redundant safety brake to prevent back driving if a power loss or mechanical defect occurs in the driveline. The low backlash and coupling combination provides a high degree of accuracy for holding ball screw position. An expanding shaft/clamping hub coupling connects the brake shaft to the end of the ball screw. This coupling comes with an elastomer insert with high torsional stiffness.
ProductModelDescriptionMinimum Static Brake TorqueBore SizeInput Pilot O.D.
965048BSB07BSB-7-1.125-130.0-15-215-NO-STD125 Nm1.125 in.130.0 mm
965040BSB07BSB-7-30.0-130.0-215.0-15.0-NO-STD125 Nm20 - 35 mm130.0 mm
964840BSB04BSB-4-23.0-96.0-115.0-10.0-NO-STD22 Nm12 - 32 mm96.0 mm
964640BSB02BSB-2-10.0-52.0-63.0-6.3-NO-STD2 Nm5 - 12.7 mm52.0 mm
964940BSB05BSB-5-23.0-131.0-165.0-12.0-NO-STD45 Nm16 - 32 mm131.0 mm
964740BSB03BSB-3-13.0-50.0-95.0-7.0-NO-STD,SPCL5 Nm6 - 16 mm50.0 mm


02G0201
Ball Screw Brake Couplings (26)

ProductModelDescriptionMinimum Static Brake TorqueBore SizeInput Pilot O.D.
964743BSB03BSB-3,COUPLING,.312 BORE,NSBn/a0.312 in.n/a
964642BSB02BSB-2,COUPLING,.406 BOREn/a0.406 in.n/a
964742BSB03BSB-3,COUPLING,0.500 BOREn/a0.500 in.n/a
964869BSB 04BSB-4,COUPLING,.500,BOREn/a0.500 in.n/a
964744BSB03BSB-3,COUPLING,0.625 BOREn/a0.625 in.n/a
964875BSB 04 And 05BSB-4/5,COUPLING,0.750 BORE,KEYEDn/a0.750 in.n/a
964868BSB 04 And 05BSB-4/5,COUPLING,0.875 BOREn/a0.875 in.n/a
964854BSB 04 And 05BSB-4/5,COUPLING,1.000 BOREn/a1.000 in.n/a
965043BSB07BSB-7,COUPLING,1.000 BOREn/a1.000 in.n/a
964863BSB 04 And 05BSB-4/5,COUPLING,1.125 BOREn/a1.125 in.n/a
965046BSB07BSB-7,COUPLING,1.375 BOREn/a1.375 in.n/a
964643BSB02BSB-2,COUPLING,10MM BOREn/a10 mmn/a
964872BSB 04BSB-4,COUPLING,12MM BOREn/a12 mmn/a
964741BSB03BSB-3,COUPLING,14MM BOREn/a14 mmn/a
964876BSB 04 And 05BSB-4/5,COUPLING,18MM BOREn/a18 mmn/a
964862BSB 04 And 05BSB-4/5,COUPLING,19MM BOREn/a19 mmn/a
964841BSB 04 And 05BSB-4/5,COUPLING,20MM BOREn/a20 mmn/a
964847BSB 04 And 05BSB-4/5,COUPLING,20MM BORE,KEYEDn/a20 mmn/a
965044BSB07BSB-7,COUPLING,20MM BOREn/a20 mmn/a
964859BSB 04 And 05BSB-4/5,COUPLING,23MM BOREn/a23 mmn/a
965045BSB07BSB-7,COUPLING,25MM BOREn/a25 mmn/a
965047BSB07BSB-7,COUPLING,26MM BOREn/a26 mmn/a
965041BSB07BSB-7,COUPLING,30MM BOREn/a30 mmn/a
964870BSB 04 And 05BSB-4/5,COUPLING,30MM BOREn/a30 mmn/a
965042BSB07BSB-7,COUPLING,35MM BOREn/a35 mmn/a
964641BSB02BSB-2,COUPLING,8MM BOREn/a8 mmn/a
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