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In backstop applications where the Cam Clutch is used with continuous inner race and mid-speed overrunning, the MGUS Series Cam Clutch can be fitted with an oil reservoir creating the MGUS-R Series. The added capacity of the oil reservoir plus the integral cooling fins increases the time between service intervals, permitting the free flow of oil between the reservoir and the clutch. A clear sight gauge built into the reservoir allows real-time checking of the fluid level and the general condition of the lubrication oil.
Unit of Measure


Bore Size

N/A 0.500 in12.70 mm

Torque Capacity

N/A 231.6 lb·ft314.0 N·m

Max. Overrunning Inner Race

N/A 0.118 lb·ft0.16 N·m

Inner Race Overrunning [Max]

N/A 2800 rpm


N/A Denotes left hand rotation

A (Overall Width)

N/A 4.546 in115.48 mm

B (Overall Diameter)

N/A 3.000/2.998 in76.20/76.15 mm

C (Inner Race Length)

N/A 2.500 in63.50 mm

D (Pitch Circle Diameter)

N/A 2.625 in66.67 mm

E (Cam Clutch Length)

N/A 2.380 in60.45 mm

F (Reservoir Length)

N/A 2.106 in53.50 mm

G (Chamfer)

N/A 0.060 in1.53 mm

H (Inner Race O.D.)

N/A 1.122 in28.50 mm

S (Plug Location)

N/A 0.512 in13.00 mm

H (No. of Tapped Holes)

N/A 4

M (Thread)

N/A 1/4-28

Oil Capacity

N/A 0.85 oz25 mL


N/A 2.000 kg4.409 lb
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