SR188-2RS Hybrid Ceramic Si3N4 High Precision ABEC-7 Ball Bearing

SR188-2RS ABEC-7 Ceramic Ball Bearing - High Precision
✔️ 1/4" x 1/2" x 3/16" - Si3N4 Ceramic Balls - Stainless Steel - Sealed

The SR188-2RS is a miniature, high-precision ball bearing built with premium Si3N4 ceramic balls and stainless steel races. With ABEC-7 precision and high internal clearance, it’s engineered for smooth, low-friction rotation in tight spaces - ideal for aerospace, high-end electric motors, precision tools, and RC or robotics applications.

✅ 1 high-precision bearing per pack
✅ Size: 1/4" ID x 1/2" OD x 3/16" width
✅ Material: Stainless steel races
✅ Balls: Silicon nitride (Si3N4) ceramic for speed and durability
✅ Closures: Double rubber seals (2RS) for debris protection
✅ Quality: ABEC-7 rating for ultra-tight tolerances
✅ Dynamic load rating: 108.2 KGF
✅ Static load rating: 44.2 KGF
✅ Type: High clearance, deep groove design