Model # SSB 321, Low Inertia Spring Set Brakes On The Rowland Company

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	Model # SSB 321, 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.

Unit of Measure: Imperial Metric Both

Specifications

Assembly Number

7-121-300-101-0

Dynamic Torque Rating (60 psi/4.1 bar)

100200 lb·in
11321 Nm

Dynamic Torque Rating (75 psi/5.2 bar)

124100 lb·in
14021 Nm

Dynamic Torque Rating (90 psi/6.2 bar)

150400 lb·in
16992 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)

723 lb
328 kg

Disc & Gear (Weight)

312 lb
141.5 kg

Disc & Gear (Inertia)

122 lb·ft²
5.14 kg·m²

Manufacturer

Wichita Clutch

Actuation

Air Applied

¹ Consult Factory for Special Assembly Number.

DOWNLOADS


		LI Spring Set Brakes (PDF, 189KB)

		LI Spring Set Brakes Spec Sheet (PDF, 48KB)

		Component Parts for Low Inertia Spring Set Brake (PDF, 189KB)

Model # SSB 321, Low Inertia Spring Set Brakes