The Rowland Company
4900 North 20th Street
Philadelphia, PA 19144
Toll Free: 800-925-8824   Phone: 215-455-4900    Fax: 215-455-8888
E-Mail: rowland@rowland2.com    Web site: www.rowlandcompany.com
All Categories > Clutches and Brakes > Disc Clutches and Brakes > Spring Set Brakes > Model # SSB 221  


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Model # SSB 221, Low Inertia Spring Set Brakes

Wichita Spring-Set Air Release Brakes are ideal for fail safe protection of process equipment. Constructed of high strength cast iron, this improved design has thick friction discs for longer wear life. The fast acting airtube design assures quick, smooth stops.






Specifications

Assembly Number
7-121-200-100-0

Dynamic Torque Rating (60 psi/4.1 bar)
71700 lb·in
8101 Nm

Dynamic Torque Rating (75 psi/5.2 bar)
88800 lb·in
10033 Nm

Dynamic Torque Rating (90 psi/6.2 bar)
107600 lb·in
12157 Nm

Maximum Bore Size
6.00 in
152 mm

Maximum Speed (Standard Airtube)
1090 rpm

Maximum Speed (High Speed Airtube)1
1650 rpm

Total Brake (Weight)
575 lb
261 kg

Disc & Gear (Weight)
198 lb
89.8 kg

Disc & Gear (Inertia)
61 lb·ft²
2.57 kg·m²

Manufacturer
Wichita Clutch

Actuation
Air Applied
1 Consult Factory for Special Assembly Number.