40mm Heavy Duty Wide Inner Ring Set-Screw Insert Bearing UC308, Sealed Ball Unit with Spherical OD, Relubrication Port, Contact Seal with Slinger, High Load Ratings, Single for Industrial & Agriculture

Single 40mm wide inner-ring set-screw bearing insert
✔️ 40mm bore; set-screw lock; sealed contact seal; relube

This single 40mm wide inner-ring set-screw insert is a heavy-duty sealed ball bearing unit used in industrial, agricultural, construction, manufacturing and food & beverage equipment where contamination resistance and high load capacity matter.

✅ Model UC308, single insert, 40mm I.D.
✅ Insert type: ball bearing; insert material: bearing steel
✅ Locking: set-screw for secure shaft hold
✅ O.D. style: spherical; fits common housings
✅ Seal: contact seal with slinger; relubrication port present
✅ Dynamic load rating: 4150 kgf; static load rating: 2440 kgf
✅ Inner ring width: wide; heavy duty operation to 212f

💡 What is a sealed ball bearing used for in industrial equipment? Sealed ball bearings keep lubricant in and contaminants out, helping shafts run smoothly under high loads and reducing maintenance needs. Here’s how sealed ball bearings help: - Improve reliability by protecting rolling elements from dirt, dust, and moisture; great for conveyors and outdoor machinery. - Enable maintenance-friendly relubrication while maintaining contamination resistance for longer service life. - Offer secure set-screw locking and wide inner rings for high-load shaft support in agricultural, construction, and manufacturing gear.