2BK281-1/2 2.9" OD 1/2" bore 2 Groove A/B Belt

2BK28-1/2 Double-Groove A/B V-Belt Sheave – 2.9" OD, 1/2" Bore

The 2BK28-1/2 is a compact, double-groove V-belt sheave designed for reliable power transmission in light- to medium-duty belt drive applications. With a 2.9" outside diameter and a 1/2" bore, this sheave is built to run A-section and B-section V-belts, making it a versatile choice for machinery, shop equipment, fans, pumps, compressors, and other belt-driven systems.

Its two-groove design allows for increased belt contact and improved load distribution compared to single-groove pulleys, helping deliver smoother operation and dependable performance in demanding drive setups.

Key Features:

• Part Number: 2BK28-1/2
• Outside Diameter: 2.9"
• Bore Size: 1/2"
• Grooves: 2
• Belt Compatibility: A/B section V-belts
• Application: Belt drive power transmission systems
• Design: Double-groove sheave for improved drive capacity and belt stability

Ideal for replacement or new equipment builds, the 2BK28-1/2 offers a practical solution for efficient V-belt operation where a compact, dual-belt sheave is required.