Rexnord Link Belt ER20KCL Ball Bearing Insert

Rexnord Link-Belt ER20KCL is a 1-1/4 in bore unmounted ball bearing insert (ER style) from the Link-Belt Centrik-Lok CL series. It uses 52100 bearing steel and a molded fiberglass-reinforced nylon cage, with a wide inner ring profile and a Buna single-lip contact seal for reliable sealing in standard-duty service. Key dimensions include an outer race OD of 2.8346 in (72 mm), inner race OD of 1.859 in, overall width 1.68 in, and length 3.00 in with a through-bore length of 1.68 in. The locking system features Centrik-Lok, with a collar width of 0.44 in and a locking device kit of CL2235BS, enabling concentric engagement within ER-style housings. Dynamic load rating is 5,810 lb and static load rating 3,440 lb, with maximum speed 6,850 rpm and maximum operating temperature 107 C (225 F). Lubrication is EXXON RONEX MP STD; available seal options include N Lip Seal, E1 Viton Seal, FF, HFF, MHFF, and NFF Lip Seal w/ Flinger; cage material is molded fiberglass-reinforced nylon and the bearing carries ABEC 1 precision. This insert is designed for standard-duty, unmounted ball bearing applications within Link-Belt CL-series assemblies. MFG number 10415017 identifies this specific ER20KCL part.