Boston Gear GD40B Cast Iron Change Gear 12 DP 40 Teeth Cast Iron

Product Description

The Boston Gear GD40B is a cast iron change gear designed for machine tools. This gear allows for different cutting speeds while maintaining a constant speed input. The GD40B features a double key to secure compound steel bushings, enabling gear pairs to rotate smoothly on an intermediate shaft.

• 40 teeth for variable speed control
• 1 inch nominal bore for compatibility with standard machinery
• Manufactured from durable cast iron for longevity

Product Highlights

This change gear provides flexibility in machining applications and is ideal for generating various ratios with its tooth configuration.

Product Information

Standard Information

• Brand: Boston Gear
• MPN: GD40B

Technical Specifications

• Hub Diameter: 1.76 inches
• Number of Teeth: 40
• Torque at 300 RPM: 492 lb/in
• Pressure Angle: 14.5 degrees
• Pitch Diameter: 3.333 inches
• Bore Diameter: 1 inch
• Outside Diameter: 3.5 inches
• Material: Cast Iron