Timken® Quick-Flex® elastomeric couplings are durable enough to face the challenges of harsh environments, yet need minimal maintenance. They are easy-to install and require no lubrication. Timken® Quick-Flex® couplings operate without any metal-to-metal contact. Because the metal hubs don’t wear, the elastomeric insert is the only spare part you’ll need. For especially harsh environments, such as food processing, we offer a stainless-steel version of each coupling. You may choose from multiple cover and insert configurations that are able to withstand some of the most extreme environments. Timken Belts Quick-Flex® Jaw Coupling Hub, Straight, Series: QF15, 15 Coupling, 1-1/2 in Bore Dia, 2.31 in Hub Dia, 9000 RPM Maximum, 1.34 in Length Through Bore, Steel