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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 1.250 in31.75 mm

Torque Capacity

N/A 2315.9 lb·ft3140.0 N·m

Max. Overrunning Inner Race

N/A 0.435 lb·ft0.59 N·m

Inner Race Overrunning [Max]

N/A 2100 rpm


N/A Denotes left hand rotation

A (Overall Width)

N/A 6.505 in165.23 mm

B (Overall Diameter)

N/A 5.375/5.373 in136.53/136.48 mm

C (Inner Race Length)

N/A 3.750 in95.25 mm

D (Pitch Circle Diameter)

N/A 4.750 in120.65 mm

E (Cam Clutch Length)

N/A 3.630 in92.20 mm

F (Reservoir Length)

N/A 2.815 in71.50 mm

G (Chamfer)

N/A 0.060 in1.53 mm

H (Inner Race O.D.)

N/A 2.748 in69.80 mm

S (Plug Location)

N/A 0.630 in16.00 mm

H (No. of Tapped Holes)

N/A 6

M (Thread)

N/A 5/16-24

Oil Capacity

N/A 2.72 oz80 mL


N/A 9.500 kg20.944 lb
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