Overview
The Sumitomo CNHJ4115Y51 is a precision SM-Cyclo 400 Series speed reducer engineered for demanding industrial and mechanical power transmission applications. Featuring Sumitomo’s proprietary cycloidal gear technology, this compact gearbox delivers superior efficiency, quiet operation, and shock-resistant performance compared to conventional involute tooth designs. Built with hardened bearing-grade steel components and a rugged cast iron housing, the CNHJ4115Y51 provides reliable in-line speed reduction across a wide range of industrial environments.
Key Features
- Compact ring-gear housing design with high power density for space-constrained installations
- Fully hardened, vacuum-degassed bearing-grade steel for consistent, long-service performance
- Internal planetary cycloidal gear mechanism with trochoidal curved tooth profile for smooth meshing
- Superior wear sleeves and pressure-rated dual-lipped seals for extended lubrication intervals
- Exceptional shock and overload resistance for applications with moderate to heavy load spikes
- Oil sight gauge for easy, visual lubrication verification
Technical Specifications
- Product Series: SM-Cyclo 400
- Model Number: CNHJ4115Y51
- Type: Speed Reducer (single reduction)
- Gear Design: Internal planetary with trochoidal tooth profile
- Housing Material: Cast iron (ductile iron available)
- Input Speed: 1750 RPM (standard 60 Hz)
- Lubrication: Oil-lubricated
- Sealing System: Dual-lipped seals with wear sleeves
- Condition: New in Box
Typical Applications
- Food and beverage processing equipment
- Conveyor and material handling systems
- Industrial fans, blowers, and pumps
- Automated manufacturing machinery
- Lumber and forest products processing
- Textile and printing machinery
- HVAC systems and environmental control units
Compatibility & Replacements
Compatible With
- Standard 1750 RPM electric motors and internal combustion engines
- IEC and NEMA motor flanges
- Three-phase and single-phase AC power systems
- Industrial power transmission architectures requiring compact, efficient torque multiplication
Replaces / Drop-In Replacement For
For specific interchangeability information or drop-in replacement part numbers, verify compatibility with your system integrator before ordering. Sumitomo provides application engineering support for retrofit and upgrade scenarios.
Works With
- Variable frequency drives (VFDs) for energy-efficient speed control
- Traditional fixed-speed motor and reducer assemblies
- Industrial automation and machinery control systems
- Shaft couplings compatible with 1750 RPM input speeds
- Standard industrial lubrication oils per Sumitomo specifications
