Aetna Flat Non-Flanged Idler Pulley 5" OD x 1/2" Bore x 2" Wide - S24032-A

Aetna Flat Non-Flanged Idler Pulley - Double Row Bearing, 5 to 10" OD: 5 sizes in this listing (S24032-A, S24032-B, S25252-A, S25252-C and S28052-B), 5 to 10" OD.

Aetna high speed flat idler pulleys (straight belt idlers for flat belts) with a double row bearing. They are bushed to clear 1/2 in, 5/8 in and 3/4 in bolts, and are used as tensioners or direction changers where loads and speeds are greater than unground bearings suit.

Aetna is a brand of Aetna Bearing Company, based in Livonia, Michigan, USA.

Where this product is used

• Agricultural machinery, including harvesting and baling equipment
• Flat belt drives that need a tensioner or a direction change
• Heavy-duty drives running at higher speeds
• General workshop and maintenance replacement of worn idlers

Features

• Heavy gauge precision-formed steel with an annular strengthening rib and a double row of steel rivets
• Double-row, sealed, precision angular contact bearing, lubricated for life, for higher capacity and rigidity
• Steel bushing gives proper bolt clamping and centring
• Basic radial load rating of the bearing: 3,340 lbf (14.86 kN)
• Bearing is permanently lubricated and sealed against dirt and grime
• Aetna flat idler pulleys from AIMS Industrial, Sydney, with Australia-wide delivery

Key specifications

Available sizes

Model codes are the supplier's part numbers; the SKU is the AIMS part number. Dimensions are in inches with millimetres in brackets, as published in the supplier's catalogue.

Selecting the right option

Match the idler to the belt it runs on (belt type), then the outside diameter, the bore or bolt size, and the width the belt needs.

The model codes and dimensions for each size are in the sizes table. If you have the old idler, match its model code or measure the outside diameter, bore and width.

Dimension letters (A, B, C and so on) follow the Aetna catalogue drawing. Where the drawing does not name a letter as a standard dimension, the table lists it as Dimension B, C and so on.

If the size you need is not listed, send AIMS the outside diameter, bore and belt type and we will check what is available.

The catalogue page for this product, with its dimension drawing, can be downloaded from the Catalogue section of this page. Dimensions are as published in the supplier's catalogue.

Fitting and use

Mount the idler on a bolt that matches the bore, or the reduction bush where one is fitted, and clamp through the bush or inner ring only so the pulley rim turns freely on the bearing.

Line the idler up with the belt path, keep the running face clean and free of burrs, and set belt tension to the drive manufacturer's figure.

The bearing is sealed and lubricated at the factory. Keep water, grit and solvents away from the seals, and replace the idler if the bearing runs rough or noisy.

Related products

Related idlers: Aetna Flat Non-Flanged Idler Pulley 8" OD x 5/8" Bore x 3-1/4" Wide - S26452-B6, Don Dye Flat Non-Flanged Idler Pulley - Double Row Bearing, 5 to 8" OD, Aetna Flat Flanged Idler Pulley - Single Row Bearing, 5 to 8" OD, Don Dye Flat Flanged Idler Pulley - Single Row Bearing, 4.75" OD - ABFI-76 and Don Dye Flat Flanged Idler Pulley - Single Row Bearing, 3.35 to 11" OD. See the full range in Idler Pulleys.