10PCS 6004-2RS Ball Bearings – 20x42x12mm Double Rubber Sealed Chrome Steel

The 6004-2RS (6-180104) deep groove ball bearings are made from premium chrome steel for excellent strength, durability, and precision. Each bearing is double rubber sealed (2RS) to keep out dust, dirt, and moisture while maintaining smooth, quiet performance. Pre-lubricated with high-quality grease, these bearings are ready for immediate installation and require no maintenance.

Specifications:

• Model: 6004-2RS (6-180104)

• Quantity: 10 pieces per pack

• Material: Chrome Steel

• Type: Deep Groove Ball Bearing

• Seals: Double Rubber (2RS) – contact type

• Lubrication: Pre-lubricated with high-quality grease

• Inner Diameter (ID): 20 mm

• Outer Diameter (OD): 42 mm

• Width: 12 mm

Features:

• Smooth and quiet operation

• Long-lasting chrome steel construction

• Double rubber seals for dust and moisture protection

• Maintenance-free and easy to install

Applications:Ideal for electric motors, machinery, skateboards, agricultural and automotive equipment, power tools, fans, and 3D printers.