28A sprockets
Description
The 28A flat sprockets are hubless, toothless sprocket types suitable for driving roller chains with markings matching their name. Sprockets can be one, two, or three-row, which by definition can be used for one-, two-, or three-row roller chains of the same type. The table below shows the chain type, number of teeth and outer diameter. For more information, use the catalogs on the Downloadable documents tab.

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Pitch: 1.3/4", 44.45mm
Wheel Width: 0.993"
Sprockets are manufactured according to DIN 8187 and ISO R606, in C45 (K1045) material. Sprockets made by different manufacturers may differ in certain production parameters, but their main parameters are similar or the same. In normal use, identical sprockets made by different manufacturers are interchangeable!