





30203 Tapered Roller Wheel Bearing 17x40x12mm
UPC: 00193019035115
Type: Taper Roller Wheel Bearing
Size: 17mm x 40mm x 12mm
Inner Diameter: 17mm
Outer Diameter: 40mm
30203 Tapered Roller Wheel Bearing
✔️ 17x40x12mm Chrome Steel - Cone & Cup Included
The 30203 tapered roller bearing is designed to handle radial and axial loads simultaneously in one direction. Made from high-strength 52100 chrome steel, this bearing includes both the cone and cup, making it ideal for wheel hubs, automotive axles, and trailer assemblies requiring dependable performance and long service life.
✅ Quantity: 1 Bearing Set (Cone + Cup)
✅ Size: 17mm inner x 40mm outer x 12mm width
✅ Material: 52100 chrome steel (alloy steel)
✅ Type: Single-row tapered roller bearing
✅ Load Direction: Radial and axial in one direction
✅ Dynamic Load Rating (Cr): 19,000 N
✅ Static Load Rating (Cor): 18,600 N
✅ Max Speed (Grease): 8,500 RPM
✅ Max Speed (Oil): 12,000 RPM
💡 Why choose a tapered roller bearing for wheels?
Tapered roller bearings offer excellent load distribution and alignment, making them ideal for wheels and rotating assemblies that experience both thrust and radial forces.
A rugged, ready-to-install bearing built to keep your motion system running smooth under pressure.