How to measure ca550 roller chain

 To measure a CA550 roller chain, you will need to determine three key measurements: the pitch, roller diameter, and width between the inner plates. Here are the steps to follow:

1. Pitch Measurement: The pitch is the distance between the center of two adjacent pins. To measure the pitch of a CA550 roller chain, use a caliper to measure the distance between the center of one pin to the center of the next pin. This measurement should be approximately 0.625 inches (15.88 mm) for a CA550 chain.

2. Roller Diameter: The roller diameter is the distance across the widest part of the roller. To measure the roller diameter of a CA550 roller chain, use a caliper to measure the diameter of one of the rollers. This measurement should be approximately 0.400 inches (10.16 mm) for a CA550 chain.

3. Width Between Inner Plates: The width between the inner plates is the distance between the inside faces of the two inner plates of the chain. To measure the width between the inner plates of a CA550 roller chain, use a caliper to measure the distance between the inside faces of the two inner plates. This measurement should be approximately 0.375 inches (9.53 mm) for a CA550 chain.

Once you have these three measurements, you can use them to properly identify and order the correct size of the CA550 roller chain. It's important to ensure that you measure accurately, as using the wrong size of chain can lead to premature wear and failure of the chain, as well as damage to other components in the system.