Hey, pull this. DriveAlign® Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants and are designed for use on passenger cars and light trucks as a locked center tensioning pulley, an automatic belt tensioner pulley or an idler pulley. Our steel or thermoplastic construction provides high durability for long life. 

• Bearing meets or exceeds OE and is designed for application specific speed and load requirements
• Reliable operation under severe conditions
• Applicated for Import and Domestic vehicles
• Mounting hardware included on some popular applications

Specifications:

• Steel
• Contact Surface: Smooth/Backside
• Belt/Sprocket Width- 39.25 mm
• Bearing Bore Inside Diameter- 17mm
• Bearing Bore Outside Diameter- 74mm