4042194: SHAFT:GEAR;IDLER GEAR

### Product Description: Idler Gear #### General Description - **Function**: Serves as a bridge between the drive gear and the driven gear within a gear train. It does not change the gear ratio but can change rotation direction or provide support. - **Purpose**: Connects misaligned gears and changes power transmission direction without affecting the gear ratio. #### Technical Specifications - **Material**: Typically made from durable metals like steel to withstand mechanical stress. - **Dimensions**: Essential dimensions, such as outer diameter, are crucial for installation. Example: some idler gear shafts have an outer diameter of about 89.9 mm. - **Hardness**: May come with a Rockwell hardness rating, such as Rockwell 62, denoting durability and wear resistance. #### Applications - **Mechanical Systems**: Utilized in engines, transmissions, and gearboxes. - **Industrial Machinery**: Important for ensuring precise gear alignment and power transmission in heavy machinery. - **Automotive**: Used in timing systems and drivetrain components in vehicles. #### Installation and Maintenance - **Installation**: Requires precise alignment and secure fastening for smooth operation and to prevent wear. - **Maintenance**: Regular inspections for wear and scoring are necessary to maintain efficiency and prevent system failures. This product is ideal for applications requiring precise mechanical power transmission and gear alignment. Specific details related to product number **4042194** may require additional context or manufacturer information.