U.S. Tsubaki Power Transmission, LLC
U.S. Tsubaki Holdings, Inc.
Corporate Headquarters
301 E. Marquardt Dr.
Wheeling, IL 60090 USA

Toll Free: 800.323.7790
Phone: 847.459.9500
Fax: 847.459.9515
Email: sales@ustsubaki.com
Website: www.ustsubaki.com
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The BREU Series Cam Clutch is commonly used in backstopping applications that require higher speed inner race overrunning, and low to medium speed engagement speed capability. The BREU Series Cam Clutch is popular amongst both OEM's and end users, utilizing a broad array of mounting accessories and the ability to select keyway positions on the inner and outer race to offer mounting flexibility. BREU Series incorporates a "lift off" style cam which provides increased Cam Clutch life, please see page 8 for additional details. BREU Series Cam Clutch ships pre-lubricated with grease.
Cam Clutch BREU Series E1 Flange with E2 Flange
Cam Clutch BREU Series E1 Flange with E2 Flange_2
Unit of Measure
Items Cam Clutch BREU Series E1 Flange with E2 Flange
BREU30E1+E2
BREU-30 mm Bore Cam Clutch 		Cam Clutch BREU Series E1 Flange with E2 Flange
BREU35E1+E2
BREU-35 mm Bore Cam Clutch 		Cam Clutch BREU Series E1 Flange with E2 Flange
BREU40E1+E2
BREU-40 mm Bore Cam Clutch 		Cam Clutch BREU Series E1 Flange with E2 Flange
BREU45E1+E2
BREU-45 mm Bore Cam Clutch 		Cam Clutch BREU Series E1 Flange with E2 Flange
BREU50E1+E2
BREU-50 mm Bore Cam Clutch
Bore Size N/A 1.181 in30.00 mm N/A 1.378 in35.00 mm N/A 1.575 in40.00 mm N/A 1.772 in45.00 mm N/A 1.969 in50.00 mm
Inner Race Keyway N/A 8 x 3.3 mm N/A 10 x 3.3 mm N/A 12 x 3.3 mm N/A 14 x 3.8 mm N/A 14 x 3.8 mm
Torque Capacity N/A 447.7 lb·ft607.0 N·m N/A 506.0 lb·ft686.0 N·m N/A 722.8 lb·ft980.0 N·m N/A 795.1 lb·ft1078.0 N·m N/A 1264.9 lb·ft1715.0 N·m
Min. Inner Race Overrunning N/A 880 rpm N/A 780 rpm N/A 720 rpm N/A 670 rpm N/A 610 rpm
Max. Inner Race Overrunning N/A 3600 rpm
Max. Engagement N/A 350 rpm N/A 300 rpm N/A 300 rpm N/A 280 rpm N/A 240 rpm
A (Overall Length) N/A 2.992 in76.00 mm N/A 3.110 in79.00 mm N/A 3.386 in86.00 mm N/A 3.386 in86.00 mm N/A 3.701 in94.00 mm
B (Clutch Diameter) N/A 3.937 in100.00 mm N/A 4.331 in110.00 mm N/A 4.921 in125.00 mm N/A 5.118 in130.00 mm N/A 5.906 in150.00 mm
BF (Overall Diameter) N/A 5.039 in128.00 mm N/A 5.512 in140.00 mm N/A 6.299 in160.00 mm N/A 6.496 in165.00 mm N/A 7.283 in185.00 mm
C (Clutch Width) N/A 2.008 in51.00 mm N/A 1.969 in50.00 mm N/A 2.087 in53.00 mm N/A 2.087 in53.00 mm N/A 2.520 in64.00 mm
DF (Bolt Circle Diameter) N/A 4.488 in114.00 mm N/A 4.882 in124.00 mm N/A 5.591 in142.00 mm N/A 5.748 in146.00 mm N/A 6.535 in166.00 mm
F (Inner Race O.D.) N/A 1.772 in45.00 mm N/A 1.969 in50.00 mm N/A 2.165 in55.00 mm N/A 2.362 in60.00 mm N/A 2.756 in70.00 mm
L (Chamfer) N/A 0.039 in1.00 mm N/A 0.039 in1.00 mm N/A 0.051 in1.30 mm N/A 0.051 in1.30 mm N/A 0.051 in1.30 mm
M (Flange Width) N/A 0.453 in11.50 mm N/A 0.531 in13.50 mm N/A 0.610 in15.50 mm N/A 0.610 in15.50 mm N/A 0.551 in14.00 mm
N (Counter Bore Depth) N/A 0.268 in6.80 mm N/A 0.268 in6.80 mm N/A 0.354 in9.00 mm N/A 0.354 in9.00 mm N/A 0.354 in9.00 mm
O-P (Quantity & Hole) N/A 6-6.6 mm N/A 6-6.6 mm N/A 6-9.0 mm N/A 8-9.0 mm N/A 8-9.0 mm
Weight N/A 9.020 lb4.100 kg N/A 11.440 lb5.200 kg N/A 16.500 lb7.500 kg N/A 17.380 lb7.900 kg N/A 24.420 lb11.000 kg