Bonfiglioli C312 P P90 Speed Reducer with 1/490.720.0-S Clutch
The Bonfiglioli C312 P P90 speed reducer with 1/490.720.0-S clutch is a right angle gearbox configured with a P90 input flange and an integrated clutch. The C312 size belongs to the Bonfiglioli C series of gear reducers used in industrial power transmission. The bevel or helical gear design provides efficient torque transfer at a right angle, making the unit suitable for conveyors, mixers, and general industrial machinery. The clutch identified by 1/490.720.0-S adds a mechanical interface for the drive train.
Product Overview
The C series includes gear reducers designed for industrial duty with robust housings and precise gear manufacturing. The C312 size is a mid sized unit suitable for moderate to high torque requirements. The P90 input flange allows a matching motor or drive component to be mounted to the gearbox. The integrated clutch provides a defined interface between the gearbox and the adjacent drive element. The exact clutch function and settings should be confirmed with the product documentation.
The gearbox housing is designed for rigidity so that the gear mesh remains stable under load. Bearings support the input and output shafts and are selected for the expected radial and axial forces. Lubrication is contained within the housing and distributed to the gears and bearings during operation. Seals protect the internal components from dust and moisture. The compact design makes the unit suitable for integration into industrial machines.
Construction and Design
The gear stages are manufactured to precise tolerances to provide smooth rotation and efficient torque transfer. The housing supports the shafts and bearings with high stiffness. The P90 input flange is machined for precise mounting. The clutch interface identified by 1/490.720.0-S is integrated into the drive arrangement. The output shaft is machined to accept couplings, pulleys, sprockets, or other driven components.
Correct alignment between the motor, gearbox, clutch, and driven equipment is important for efficient power transmission and long bearing life. The housing design supports heat dissipation and structural strength. Lubrication and sealing protect the internal components during operation. The unit should be selected with an appropriate service factor for the application.
Performance Characteristics
The C312 speed reducer provides efficient right angle power transmission across a range of input speeds. The gear design determines the reduction ratio, output speed, and torque multiplication. The P90 input flange allows the gearbox to be paired with a matching motor or drive component. The integrated clutch provides a mechanical connection that can be specified for the application requirements.
The gearbox should be selected with an appropriate service factor for the duty cycle. Starting loads, shock loads, and continuous operation affect the mechanical and thermal capacity of the unit. Lubrication condition and operating temperature should be monitored. Correct installation and maintenance help maintain stable performance and long service life.
Applications
The Bonfiglioli C312 P P90 speed reducer is suitable for belt conveyors, screw conveyors, mixers, agitators, packaging machines, and general industrial drives. The right angle layout is useful when the motor must be positioned at 90 degrees to the driven shaft. The integrated clutch interface can be useful in drive trains that require a defined mechanical connection between components.
The P90 input flange supports mounting of a matching motor or drive component. The gearbox can be paired with standard three phase motors or other drive elements that match the interface. When variable speed operation is required, the motor and gearbox should be evaluated together. Correct selection helps ensure reliable operation and long service life.
Installation Guidelines
Installation should begin with a check of the nameplate data and a visual inspection of the gearbox and clutch. The unit should be mounted on a rigid base that can withstand the torque reaction. Mounting bolts should be tightened to the recommended torque. The motor or drive component should be aligned with the P90 flange so that the shaft connection engages correctly. The clutch interface should be assembled according to the product documentation.
The output shaft should be aligned with the driven equipment to avoid excessive loads on bearings and seals. After installation, the gearbox should be checked for smooth rotation and correct oil level. A short run without load helps confirm that the assembly operates correctly. Any unusual noise, vibration, or temperature rise should be investigated before full service. Electrical connections should be made by qualified personnel following local regulations.
Maintenance Recommendations
Regular maintenance supports reliable performance and long service life. Oil level and oil condition should be checked at recommended intervals. The first oil change should be performed after the initial running in period, and later changes should follow the schedule for the operating conditions. Seals and bearings should be inspected periodically. The clutch should be checked according to the product documentation. Leakage, abnormal noise, or vibration should be addressed promptly.
The exterior of the gearbox should be kept clean to support heat dissipation. Adequate airflow around the housing helps maintain stable temperatures. In dusty or humid environments, additional protection may be needed. Maintenance records help identify trends and support planned servicing. Following a consistent maintenance schedule reduces the risk of unexpected downtime.
Selection Considerations
When selecting the C312 P P90 speed reducer with clutch, engineers should confirm the required output torque, output speed, duty cycle, and environmental conditions. The ratio and motor speed determine the output speed. The available torque depends on motor power and gearbox efficiency. A service factor should be applied for starting loads, shock loads, and continuous operation. The P90 flange and clutch interface must match the motor and driven equipment.
The gearbox mounting position should provide adequate support and allow correct lubrication. The output shaft and mounting features should match the driven equipment. The clutch requirements should be evaluated against the drive train design. Correct selection helps ensure smooth operation, stable thermal behavior, and long service life.
Conclusion
The Bonfiglioli C312 P P90 speed reducer with 1/490.720.0-S clutch offers a right angle reduction solution with a P90 input flange and integrated clutch interface. Its construction supports efficient torque transmission and stable operation in conveyors, mixers, and industrial machinery. With correct installation and maintenance, the gearbox provides dependable performance and long service life.




