Thin Section Open Ball Bearing, 4.5 Inches By 5.125 Inches By 0.3125 Inches, Steel Construction, ABEC 1 Quality, Oil Preserved, Precise Inner Diameter 4.5 Inches, Outer Diameter 5.125 Inches, Width 0.3125 Inches, Ideal For Precision Machinery

This thin section ball bearing is a deep groove radial bearing designed for compact spaces where high rigidity and precise alignment are needed. It's commonly used in precision machinery, robotics, CNC spindles, and automation gear where space is tight.

✅ Inner bore: 4.5 in (114.3 mm)
✅ Outer diameter: 5.125 in (130.2 mm)
✅ Width: 0.312 in (7.92 mm)
✅ Material: Chrome steel; Cage: Brass; Lubrication: Oil preservative; Closures: Open
✅ Type: Deep groove radial ball bearing; ABEC 1 quality
✅ Quantity: 1 bearing; Equivalents: KB045CP0, SB045CP0, KB045CPO, SB045CPO

💡 What is a thin section ball bearing used for in precision machinery? This handy, general question helps buyers understand its role.
- thin section ball bearing in tight spaces like robotics and CNC spindles
- ABEC 1 quality with oil-preservative lubrication for smooth operation
- open brass cage design keeps weight down while handling radial loads