Idler Pulleys

About

Idler pulleys run on their own bearing and are used to guide or tension a belt. AIMS Industrial supplies Aetna and Don Dye flat flanged, flat non-flanged, flat single-flanged, V-belt, round belt and rubber tyre idler pulleys, plus two Gates flat idlers. Bearings are listed as single row, double row or 4 point heavy duty. What's in the range Idler What the range includes Flat flanged Aetna in 4 point heavy duty (2-3/4 to 8 inch OD), single row (5 to 8 inch OD) and a double row yellow zinc plated 8 inch OD, plus 6 and 8 inch OD with 5/8 inch bore. Don Dye in single row (3.35 to 11 inch OD and a 4.75 inch ABFI-76) and double row (5.75 to 10 inch OD). Flat non-flanged and single-flanged Aetna non-flanged in double row (5 to 10 inch OD), a 2-3/4 inch OD x 1/2 inch bore and an 8 inch OD x 5/8 inch bore x 3-1/4 inch wide. Aetna single-flanged 2-3/4 inch OD x 1/2 inch bore x 1-1/2 inch wide in two versions. Don Dye non-flanged in single row (6.5 to 8 inch OD) and double row (5 to 8 inch OD). V-belt idlers A, B, C and 5V sections, and combined A and B, B and C and A, B and C. Don Dye in single and double row from 2.5 inch to 9.5 inch OD, including a 5 inch A and B section with plain steel on one side. Aetna in 4 point heavy duty and single row from 3-1/4 inch to 7-5/16 inch OD. Round belt Aetna 4 point heavy duty round belt idler, 3-1/4 inch OD. Rubber tyre Aetna 4-1/4 inch OD rubber tyre idlers with 1/2 inch or 5/8 inch bore (three listed). Gates flat idlers Gates 4.25 x 2.00 and 4.25 x 1.25 flat idler pulleys. Choosing an idler pulley Start with the belt. Flat belts suit the flat idlers, V-belts need a V-belt idler matched to the belt section (A, B, C or 5V), and round belts need the round belt idler. Flanged and non-flanged versions are both listed, so check which suits your layout. Then check the outside diameter, bore and width against your drive. Several listings cover a range of sizes, so choose the OD you need on the product page. The bearing type is stated in each t