6303-2RS C3 Sealed Ball Bearing 17x47x14mm Deep Groove Bearing Made from Chrome Steel with Rubber Seals and C3 Clearance for Smooth Operation and Thermal Expansion in Industrial Applications

6303-2RS C3 Sealed Ball Bearing 17x47x14mm
✔️ Deep Groove Ball Bearing with C3 Clearance and Rubber Seals

The 6303-2RS C3 deep groove ball bearing is built for smooth radial motion in equipment that runs hotter or faster than normal. With C3 internal clearance and rubber seals, it’s commonly used in electric motors, pumps, gearboxes, fans, and industrial machinery where clean operation and thermal expansion need to be handled. This listing is for one single bearing, pre-greased and ready to install.

✅ Pack size includes one bearing
✅ Deep groove single row radial ball bearing design
✅ C3 internal clearance for higher speed or temperature operation
✅ Rubber seals on both sides to keep grease in and contaminants out
✅ Made from 52100 chrome steel for strength and wear resistance
✅ Pre-lubricated with grease for low maintenance use
✅ Inner diameter 17mm
✅ Outer diameter 47mm
✅ Width 14mm

Dimensions
Parameter Metric
Inner Diameter 17mm
Outer Diameter 47mm
Width 14mm

💡 Why is C3 clearance used in sealed deep groove ball bearings?
C3 clearance bearings are used when operating conditions cause heat buildup or higher shaft expansion.

• Extra internal clearance helps prevent preload as temperatures rise

• Supports smoother rotation at higher RPM in motors and machinery

• Improves bearing life in continuous duty applications

This bearing is a handy choice when you want reliable sealing, smooth rotation, and stable performance in motor driven and industrial applications.