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Nexen 818871 Spring Engaged Shaft Mount QD Bore Brake
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$1,033.92
Anti rotation styleAnti-Rotation Holes, Optional Torque Pin BracketApproximate brake facing life115 hphrBacklash37 ArcMin, Additional 3 ArcMin With Housing Anti-Rotation Torque Pin Bracket 819900Bore detailsQD Type JABore size0.500 in to 1.000 in Customer Taper Bushing RequiredBore styleCustomer Taper Bushing RequiredBrake air chamber volume when new2.100 in³Brake air chamber volume when worn out0.900 in³Brake facing edge color codePurpleBrake facing effective area11.9 in²Brake facing typeHigh CoefficientBrake heat sink capacity30000 ftlbBrake peak thermal input rate11.00 hpBrake response factor0.09Brake torque180 inlbBraking capabilityCyclic Dynamic, E-Stop, HoldingCE certifiedCEEngagement methodSpringFinishBlack oxideInlet size0.125 NPTLength3.75 inMaterials of constructionBlack oxideMax allowable pressure (psi)120Max ambient temperature (°F)150Max bore size25.4 mmMax brake continuous thermal dissipation0.52 hpMax Speed1800 RPMMax static brake torque180 inlbMin ambient temperature (°F)32Min bore size12.7 mmMin release pressure (bar)2.4822 barMin release pressure (psi)36Mounting styleShaftOpen or enclosed designOpenOuter Diameter5.94 inOutput shaft styleNoneProduct featuresSpring Engaged, Shaft Mount, Taper BoreRelease methodAirRestrictionsThis Brake Should Not Be Flange Mounted Or May Be DamagedRoHS compliantRoHSShaft inertia4.74 lbin²Unit height7 inUnit width7 in
Specifications
| Anti rotation style | Anti-Rotation Holes, Optional Torque Pin Bracket |
| Approximate brake facing life | 115 hphr |
| Backlash | 37 ArcMin, Additional 3 ArcMin With Housing Anti-Rotation Torque Pin Bracket 819900 |
| Bore details | QD Type JA |
| Bore size | 0.500 in to 1.000 in Customer Taper Bushing Required |
| Bore style | Customer Taper Bushing Required |
| Brake air chamber volume when new | 2.100 in³ |
| Brake air chamber volume when worn out | 0.900 in³ |
| Brake facing edge color code | Purple |
| Brake facing effective area | 11.9 in² |
| Brake facing type | High Coefficient |
| Brake heat sink capacity | 30000 ftlb |
| Brake peak thermal input rate | 11.00 hp |
| Brake response factor | 0.09 |
| Brake torque | 180 inlb |
| Braking capability | Cyclic Dynamic, E-Stop, Holding |
| CE certified | CE |
| Engagement method | Spring |
| Finish | Black oxide |
| Inlet size | 0.125 NPT |
| Length | 3.75 in |
| Materials of construction | Black oxide |
| Max allowable pressure (psi) | 120 |
| Max ambient temperature (°F) | 150 |
| Max bore size | 25.4 mm |
| Max brake continuous thermal dissipation | 0.52 hp |
| Max Speed | 1800 RPM |
| Max static brake torque | 180 inlb |
| Min ambient temperature (°F) | 32 |
| Min bore size | 12.7 mm |
| Min release pressure (bar) | 2.4822 bar |
| Min release pressure (psi) | 36 |
| Mounting style | Shaft |
| Open or enclosed design | Open |
| Outer Diameter | 5.94 in |
| Output shaft style | None |
| Product features | Spring Engaged, Shaft Mount, Taper Bore |
| Release method | Air |
| Restrictions | This Brake Should Not Be Flange Mounted Or May Be Damaged |
| RoHS compliant | RoHS |
| Shaft inertia | 4.74 lbin² |
| Unit height | 7 in |
| Unit width | 7 in |
818871
