Power Drive BK57-1 Fixed Pitch Sheave

Product Description

The Power Drive BK57-1 is a fixed pitch sheave designed for effective power transmission. It features a single groove and is suitable for specific belt series such as 4L, A, 5L, and B. The sheave has a fixed bore and an outside diameter of five point four five inches, making it compatible with various setups. A keyway is included for secure attachment.

• Single groove design
• Keyway included for secure fit
• Compatible with multiple belt series

Product Highlights

This sheave is designed for reliable performance in light-duty applications.

Product Information

Standard Information

• Manufacturer Item Number: BK57-1
• Type: Fixed Pitch Sheave

Technical Specifications

• Number of Grooves: 1
• Outside Diameter: 5.45 Inch | 138.43 Millimeter
• Bore Size: 1-1/8 Inches
• Bore: 1 Inch | 25.4 Millimeter
• Belt Series: 4L | A | 5L | B
• Pitch Diameter Minimum: 4.7 Inch | 119.38 Millimeter
• Pitch Diameter Maximum: 5.1 Inch | 129.54 Millimeter
• Mounting Method: Finished Bore
• Bushing Size: No Bushing
• Keyway: Yes
• Minimum Plain Bore: No
• Other Features: Light Duty | Solid Style | Type 3
• Category: Sheave - Fixed Pitch
• Harmonized Tariff Code: 8483.50.90.40