61903-2RS Hybrid Ceramic Bearing 17x30x7mm Stainless Steel ABEC-5 Quality

61903-2RS Hybrid Ceramic Bearing
✔️ ABEC-5 Precision - Stainless Steel with Zirconia Balls

The 61903-2RS is a high-quality hybrid ceramic bearing built with stainless steel races and zirconia (ZrO₂) ceramic balls. With dual rubber seals for protection and ABEC-5 precision rating, it’s made for smooth, low-friction performance in demanding setups like motors, tools, and 3D printers. Pre-lubricated and ready to run.

✅ Type: Deep groove ball bearing
✅ Model: 61903-2RS
✅ Category: Hybrid ceramic bearings
✅ Material: Stainless steel races
✅ Balls: Zirconia ceramic (ZrO₂)
✅ Closures: Double rubber seals (2RS)
✅ Inner diameter: 17mm
✅ Outer diameter: 30mm
✅ Width: 7mm
✅ Marking: S61903RS = 61903RS
✅ Quality: ABEC-5
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing

💡 What does ABEC-5 mean in hybrid ceramic bearings?
It’s a precision rating that ensures tighter tolerances for smooth, accurate rotation.

• Reduces vibration and friction at higher speeds

• Ideal for precision motors, 3D printers, and performance machinery

• Extends service life with low wear and high accuracy

If you’re after a compact, high-speed bearing with smoothness and durability, the 61903-2RS ABEC-5 hybrid ceramic bearing is a solid pick.