A-990091-AI Bearing (NPS012RPC)One New Aftermarket Replacement Ball Bearing Insert with Eccentric Lock Collar Fits John Deere, Fits Case IH, Long, Fits Massey Ferguson, Hesston, and More This 3 4" bore ball bearing insert with eccentric locking collar is a direct fit replacement for a wide range of agricultural equipment including combines, disc harrows, mowers, and tillage implements. The sealed, spherical outer diameter design resists contamination and supports radial loads