2-1/8 in Wide Adapter Sleeve Locking Ball Bearing Insert with HS2312 Adapter, Normal Duty Sealed Bearing, Double Lip Contact Seals, Concentric Locking, Wide Inner Ring (single unit)

2-1/8 in wide locking ball bearing insert
✔️ Single unit: 2-1/8 in ID, concentric adapter, double lip seals

This sealed ball bearing insert (model UK212+HS2312) is a normal duty adapter-sleeve locking insert for mounted housings. It’s typically used in conveyors, light industrial shafts, take-up units, and agricultural equipment. Sold as a single bearing insert.

✅ Model: UK212+HS2312 adapter sleeve insert
✅ I.D.: 2-1/8 in
✅ Inner ring width: Wide for higher axial support
✅ Dynamic load rating: 11800 lbf
✅ Static load rating: 8120 lbf
✅ Seals: Double lip contact seals (sealed ball bearing)
✅ Insert type/material: Ball bearing, bearing steel
✅ Locking: Concentric adapter sleeve (HS2312)
✅ O.D. style: Spherical O.D.
✅ Relubrication: Yes, provision for grease service
✅ Temp rating: up to 212°F
✅ HTS code: 8483.20.40.40
✅ Pack/weight: Single bearing insert, 3.430 lb each (SKU 10499)

💡 What is a locking adapter sleeve bearing insert used for in mounted bearing applications?

It’s a handy solution for securing a sealed ball bearing insert to a rotating shaft while keeping replacement and maintenance simple.

- Provides secure shaft-to-insert locking without set screws, ideal for pillow blocks and mounted housings. - Works well with sealed ball bearing inserts in conveyor systems and linear slide unit guides. - Allows relubrication access and tolerates moderate heat; consider ceramic bearings for high-speed or corrosive environments. - Common in agricultural, material handling, and light industrial machinery where maintenance access is handy.