MRO8211

1-7/8 in Heavy-Duty Wide Adapter Sleeve Insert ✔️ 1-7/8 in I.D., wide inner ring, 16100 lbf dynamic, single unit This single sealed ball bearing adapter sleeve insert (model UK311+HS2311) is a heavy-duty concentric adapter used in industrial shafts like conveyors, pumps, fans and linear slide unit setups where a wide inner ring is needed. ✅ I.D.: 1 7/8 in (1-7/8 in) - wide inner ring specification ✅ Insert type: ball bearing insert, bearing steel material ✅ Locking: concentric adapter style for secure mounting ✅ O.D. style: spherical O.D. with contact seal and slinger ✅ Dynamic load rating: 16100 lbf, Static load rating: 10100 lbf ✅ Relubrication: yes, designed for periodic grease service ✅ High temperature limit: up to 212F for standard service 💡 What is a sealed ball bearing adapter sleeve used for? Sealed adapter sleeves are handy for mounting sealed ball bearing inserts on rotating shafts while keeping grease in and contaminants out. - Ideal for shaft-to-housing applications like conveyor rollers, pump shafts, fan assemblies, and linear slide unit guides - Offers sealed ball bearing protection, concentric locking, and spherical OD alignment for misalignment tolerance - Reduces downtime with relubrication access and durable bearing steel for heavy dynamic loads