Alternator Sealed Ball Bearing 20mm by 42mm by 12mm AB 6004 2RS Chrome Steel 52100 Deep Groove Precision Bearing for Automotive and Electrical Equipment Durable High Load Capacity and Long Life Suitable for Alternators and Industrial Machinery

6004-2RS Sealed Ball Bearing 20x42x12mm Single Pack
✔️ 20x42x12 mm chrome steel, sealed AB bearings, pre-lubed

6004-2RS AB alternator sealed ball bearing is a precision, compact bearing sized 20x42x12 millimeters. Built from chrome steel (52100) with rubber seals, it's pre-lubed for immediate use in automotive alternators and other small drive systems. Quantity: 1 bearing.

✅ Bore 20 mm, outer 42 mm, width 12 mm
✅ Chrome steel 52100 material for durability
✅ Rubber seals 2RS AB for reliable lubrication retention
✅ Pre-lubricated with grease for easy installation

💡 What is a sealed ball bearing used for in automotive equipment and small machines?

It’s a handy, dependable component that reduces friction while supporting rotating parts.

- supports radial loads in compact drive systems - maintains shaft alignment in moving assemblies - fits standard housings and is easy to replace