6203 Bearing 6203 17x40x12mm

6203 Bearing - Deep Groove Ball Bearing
✔️ 17 x 40 x 12mm - Chrome Steel - High Speed

The 6203 Bearing is a single-row deep groove ball bearing designed for high-speed and general-purpose use in electric motors, appliances, and power tools. Built with precision tolerances and available across major brands, this bearing offers smooth rotation, long service life, and easy interchangeability.

✅ Inner diameter: 17mm
✅ Outer diameter: 40mm
✅ Width: 12mm
✅ Clearance: 0-10µm
✅ Inner ring tolerance: 0 to -10µm
✅ Outer ring tolerance: 0 to -13µm
✅ Dynamic load rating (Cr): 9.95 kN
✅ Static load rating (Cor): 4.75 kN
✅ Max grease speed: 24,000 RPM
✅ Compatible with oil and grease lubrication
✅ Sold individually (1 bearing per pack)

✅ Equivalent Part Numbers:

• Koyo 6203

• Nachi 6203

• NTN 6203

• NSK 6203

• FAG 6203

• MRC 203S

• BCA 203

• Fafnir/Torrington 203K

• Federal 1203

• Hoover 203

• New Departure 3203

• Norma Hoffman 203

💡 What makes the 6203 bearing a top pick for general machinery?
The 6203 is widely used due to its balanced size, strength, and compatibility across thousands of applications.

• Great for electric motors, HVAC systems, and pumps

• Supports moderate loads at high speeds

• Easy to replace with industry-standard equivalents

Tough, smooth, and trusted - add it to your toolbox and keep things turning with confidence!