Bearings Name	New Model	Old Model:	ID(mm)	OD(mm)	Width(mm)	Cr(kN)	Cor(kN)	Grease Lubrication Speed(r/min)	Oil Lubrication Speed(r/min)	Weight(kg)
6203-2Z deep groove ball bearing	6203-2Z	80203	17	40	12	9.58	4.78	16000	20000	0.060
6203-2ZN deep groove ball bearing	6203-2ZN	250203	17	40	12	-	-	-	-	-

The designation 6203ZZ refers to a specific type of deep groove ball bearing. Here’s a detailed breakdown of what this designation means:

Breakdown of 6203ZZ:

• 6203:

  • This indicates the bearing series and size. The "6200" series is a common series of ball bearings.
  • In this case, "6203" typically has an inner diameter of 17 mm, an outer diameter of 40 mm, and a width of 12 mm.

• ZZ:

  • This denotes that the bearing has metal shields on both sides. These shields help protect the bearing from dust and debris while retaining lubrication, enhancing its durability and lifespan.

Key Features:

• Durability: The metal shields provide protection against contaminants, making the bearing suitable for various environments.
• Low Friction: Designed for smooth operation with minimal friction, making it ideal for high-speed applications.
• Versatility: Commonly used in a wide range of applications across different industries.

Applications:

• Electric Motors: Frequently used in small to medium-sized electric motors.
• Pumps and Compressors: Suitable for various types of pumps and compressors.
• Automotive Components: Used in wheels, gearboxes, and other automotive applications.
• Industrial Machinery: Commonly found in conveyor systems, agricultural machines, and other machinery.

Advantages:

• Ease of Installation: Standard dimensions make it easy to find compatible housings.
• Maintenance-Free: The metal shields help minimize the need for regular maintenance by keeping contaminants out.
• Cost-Effective: Provides a good balance of performance and price, suitable for a variety of applications.