Cam Clutch Boxes

Product photo
  • ・A type dedicated to continuous high-speed operation with a cam clutch housed in a case.
  • ・The Cam Clutch Box Series is a Cam Clutch housed within a case and uses an ideal lubrication method to enable continuous high-speed operation.
  • ・Cam Clutch Boxes are available in eight different types consisting of different combinations of lubrication system, cooling unit and auxiliary gear reducer.
  • ・Torque range :314~80360N・m

Series Available

Series Lubrication System Cooling system Sealing Application
Standard Series OB-ON Oil bath --- Oil seal Overrunning
High speed disengaged; high-speed, low-mid speed engaged
OB-OF Oil bath Water cooled Oil seal Overrunning
High speed disengaged; high-speed, low-mid speed engaged
ON Series comes with a water cooling system, allowing use at even greater speeds.
  • ・Economic type oil bath system with an oil seal.
  • ・An oil leak detector can be optionally attached to quickly reveal any oil leaks from the oil seal.
  • ・OB-OF Series uses a water cooling system, allowing for operation at even higher speeds.
Series Lubrication System Cooling system Sealing Application
Standard Series OB-PN Screw pump and oil bath --- Oil flinger and labyrinth seal Overrunning
High speed disengaged; low-mid speed engaged
OB-PF Screw pump and oil bath Water cooled Oil flinger and labyrinth seal Overrunning
High speed disengaged; low-mid speed engaged
PN Series comes with a water cooling system, allowing use at even greater speeds.
OB-SN Screw pump and impeller --- Oil flinger and labyrinth seal Overrunning
high speed disengaged; high-speed engaged
OB-SF Screw pump and impeller Water cooled Oil flinger and labyrinth seal Overrunning
high speed disengaged; high-speed engaged
OB-S Pressure lubrication --- Oil flinger and labyrinth seal Overrunning
high speed disengaged; high-speed engaged
  • ・Uses a labyrinth system (Tsubaki original) that utilizes an oil flinger to prevent leaks. The perfect series for equipment running continually at high speeds 24 hours a day.
  • ・OB-PF and OB-SF Series use a water cooling system, allowing for operation at even higher speeds.
Series Lubrication System Cooling system Sealing Application
Reducers TB Screw pump and oil bath --- Labyrinth seal Overrunning
High speed disengaged; low-mid speed engaged
  • ・This compact type combines the highly reliable Tsubaki Worm Reducer auxiliary reducer and a Cam Clutch for turning and inching.
  • ・The reducer uses an oil bath system lubrication method.

Economical Operation with a Cam Clutch

With the Cam Clutch Box Series, you can utilize excess steam to drive the fan from two driving sources, allowing you to achieve energy savings.

Reduction in motor power consumption by taking advantage of excess steam.

Power recovery of boiler feed pumps through use of residual pressure water.

Reduction in electricity consumption by switching to a motor drive as necessary.

Catalogs ・Instruction Manuals

Model No. examples

OB150 - S N

Model No.

Lubrication System

Cooling system
P:Screw pump
O:Oil bath
S:Screw pump and impeller
N:Oil bath
F:Water cooled

List of Model Numbers

※Click the model No. for detailed information.

Series OB-ON OB-OF OB-PN OB-PF OB-SN OB-SF OB-S TB
Model No. OB60-ON OB60-OF --- --- --- --- --- ---
OB100-ON OB100-OF --- --- --- --- --- ---
OB120-ON OB120-OF OB120-PN OB120-PF OB120-SN OB120-SF OB120-S TB40-120
OB140-ON OB140-OF OB140-PN OB140-PF OB140-SN OB140-SF OB140-S TB60-140
--- --- OB150-PN OB150-PF OB150-SN OB150-SF OB150-S TB60-150
--- --- OB160-PN OB160-PF OB160-SN OB160-SF OB160-S TB70-160
--- --- OB180-PN OB180-PF --- OB180-SF OB180-S TB80-180
--- --- OB200-PN OB200-PF --- OB200-SF --- ---
--- --- OB200W-PN OB200W-PF --- OB200W-SF --- ---