The 6002 DDU CM NSK is a ball bearing with an inner diameter of 15mm, outer diameter of 32mm, width of 9mm, and made of bearing steel manufactured by NSK. It is designed to provide enhanced stability and smooth movement while operating under high speeds and radial loads. The DDU CM in the model number denotes that it has a flush ground outer face, pre-lubricated with light grease, and features non-contact rubber seals.