6004 ZZ C3 ZKL Deep Groove Ball Bearing 20x42x12

Design and technical characteristics

The 6004 ZZ C3 deep groove ball bearing manufactured by ZKL is a single-row ball bearing designed for reliable and continuous operation in industrial environments. With standardized dimensions 20x42x12, it is one of the most commonly used bearings in electric motors, pumps, fans and general machinery.

The ZZ metal shields protect the rolling elements from dust and solid contaminants while allowing high rotational speeds. The C3 internal clearance provides increased radial play, making this bearing suitable for applications involving elevated temperatures, higher speeds or thermal expansion of the shaft and bearing housing.

Industrial applications

The 6004 ZZ C3 ZKL deep groove ball bearing is widely used in industrial applications where consistent performance and long service life are essential. Typical uses include electric motors, gearboxes, conveyors, production machinery and drive systems.

Thanks to its deep groove design, the bearing can accommodate both radial and axial loads in both directions. It is commonly installed as a standalone component or as part of a bearing unit working together with a bearing housing in industrial machinery.

Key advantages for B2B customers

For B2B customers, the 6004 ZZ C3 ZKL offers predictable performance, stable quality and low maintenance requirements. The robust steel construction and factory lubrication ensure long operating intervals, while the C3 clearance improves reliability under demanding working conditions. This makes the bearing a trusted choice for maintenance departments, OEMs and industrial service providers.

Main product description

The 6004 ZZ C3 ZKL deep groove ball bearing 20x42x12 is engineered for high-speed and continuous industrial operation. Compared to standard clearance bearings, the C3 version performs better under thermal load and dynamic conditions. The ZZ shields help retain lubricant and protect internal components, contributing to high durability and reduced downtime.

This deep groove ball bearing is suitable for a wide range of industrial applications where reliability and dimensional accuracy are critical. It can be used in new machine designs as well as in maintenance and replacement applications. The bearing integrates easily into bearing housings and complete bearing units, ensuring smooth rotation and stable load distribution over long service periods.

FAQ - frequently asked questions

What does C3 clearance mean in a 6004 bearing?
C3 indicates increased internal clearance, suitable for higher temperatures and speeds.

Is the 6004 ZZ C3 suitable for electric motors?
Yes, it is commonly used in electric motors operating under continuous load.

What type of loads can this bearing handle?
It supports radial loads and moderate axial loads in both directions.

Does the ZZ version require relubrication?
No, the bearing is factory-lubricated and designed for long maintenance-free operation.

Can it be installed in a bearing housing?
Yes, it is compatible with standard bearing housings and bearing unit configurations.