Size: 3/4" Inside Diameter x 1-3/16" Outside Diameter x 1-3/8" Length Various sizes, styles, and options available! Contact us for expert support and personalized recommendations. The roller bearing handles heavier loads than a same-size ball bearing. It has a split outer race shell with the roller assembly secured by hardened washers. Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. Click on the “by Service Caster” link above the main title on any Service Caster page listing. Listing is for one (1) Service Caster 3/4 inch inside diameter x 1-3/16 inch outside diameter x 1-3/8 inch length standard roller bearing with split outer race. The roller bearing handles heavier loads than a same-size ball bearing. It has a split outer race shell with the roller assembly secured by hardened washers.