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02A7502
ZSE Brakes Metric (1)

ZSE flange mounted, through bore, spring engaged brakes provide true zero backlash, low inertia, and high rigidity for precision holding applications. Rated for more than 2,000,000 holding cycles.
ProductModelDescriptionMaximum Static Brake TorqueMaximum Brake Continuous Thermal DissipationMinimum Release Pressure
970504ZSE450ZSE450,20MM BORE,55 PSI RELEASEn/an/a55 psi


04A5101
S Series Straight Bore Shaft-Mounted Air Engaged Friction Brakes, Metric (1)

Available in six sizes (1200 & 1400 upon request), these single plate finned friction brakes provide high heat dissipation. High dynamic torque capacity ensures fast load response. Torque capacity up to 1582 Nm. @ 5.5 bar. Maximum Operating Speed up to 1800 rpm. Continuous Thermal rating of: 1.66 kW @ 1800 rpm. Heat Sink capacity of 881,282 Joules. Ultra-Low, Low, Standard, or High Coefficient Facings available. Standard Bore Sizes up to 100 mm. Split friction facing allows easy replacement without brake removal or disassembly. Thru-shaft design can be flange mounted or shaft mounted with a torque pin or arm. Accessories: Torque Pin Bracket to anchor the housing, Brake Safety Guard for protection available. For shaft mounted straight bore brakes smaller than these see the B-275 and Micro Clutches that offer adapters to convert them to brakes. If you do not see the exact configuration needed contact Nexen for a quote.
ProductDescriptionMaximum Static Brake TorqueMaximum Brake Continuous Thermal DissipationMinimum Release Pressure
827817S-450*20MM BORE,METRIC55 Nm0.38 kWn/a


29A5600
SSE Series Straight Bore Shaft-Mounted Friction Spring Engaged Brakes, Metr (1)

These spring engaged, air disengaged brakes, are used when load holding is required if air pressure is lost: They they are offered in 6 sizes (1200 & 1400 upon request) and have a range of spring pockets that allow torques as high as 1033 Nm with a release pressure of 7.1 bar. Typically offered with 3 numbers of springs for lower torques and release pressures but others are possible to be tailored to fit your needs. Maximum Operating Speed up to 1800 rpm. Continuous Thermal rating of: 1.66 kW @ 1800 rpm. Heat Sink capacity of 881,282 Joules.The tapered bore to accepts QD Bushings for a wide range of bore sizes up to 3.25 in. with standard keyways or 3.50 in. with shallow keyways. The single plate finned friction discs provide high heat dissipation, and high dynamic torque capacity ensures fast load response. The split friction facings allow easy replacement without brake removal or disassembly. These brakes include a flow restrictor valve controls disengagement air to prevent shock load on brake components. Accessories: Torque Pin Bracket to anchor the housing, Brake Safety Guard for protection available. If you do not see exactly what you need as Nexen for a quote.
ProductDescriptionMaximum Static Brake TorqueMaximum Brake Continuous Thermal DissipationMinimum Release Pressure
818829SSE-450*20MM BORE,8 SPRING,MM40 Nm0.38 kW5.0 bar