The guide wheels are made of 52100 chrome steel and feature nylon retainers https:
Industrial News Buzz - Quality Bearings & Components (QBC) announces a new line of integral studded standard guide wheels. Identified as the BGXCOMMSW... Series, they are made of 52100 chrome steel and feature nylon retainers. They are offered in both concentric and eccentric stud types. The rails for these guide wheels are also stocked. QBC demands the highest levels of material cleanliness, surface finish and straightness to provide optimum performance, minimal maintenance, long life and, above all, safety. Quotes plus online orders are available at our new QBC eStore.
QBC has in stock: miniature bearings, plastic bearings, rod end bearings, spherical bearings, pillow blocks, sintered bronze bushings, radial ball bearings, thrust bearings & washers, sleeve bearings, needle bearings, inner races, roller clutches, guide wheels & rail systems, linear ball bearings, inner and outer ring spacers, and shafting. QBC stocks both inch and metric sizes. New to the Web site is our eStore which allows you to check price and availability, place an order or request a quote anytime. QBC also provides custom-made bearings and shafting to the customer print. We also offer on-site relubing of bearings in a certified class 1000 clean room.
Detailed technical specifications are available free upon request from Quality Bearings & Components (QBC), 125 Railroad Avenue, Garden City Park, NY 11040-5016. Phone: 1.888-276-4787, Fax: 1-516-616-0443. Click on the "Visit Organization" link below to visit QBC's web site.