Product Description: CEMA Wheel Bearing 18307 18x30x7
 The CEMA wheel bearing 18307 is a high-quality bearing designed for bicycles and other applications where precision, durability and smooth operation are essential.

 Key Features:

 
 Type: Double sealed ABEC5 bearing
 
 Dimensions: 18mm (inner diameter) x 30mm (outer diameter) x 7mm (width)
 
 Material: Available in ceramic (for maximum performance and minimum friction) or chrome steel (for high durability)
 
 Sealing: Double sealing protects against water, dirt and dust, ensuring longer life and reliability, even under tough conditions
 
 Precision: ABEC5 rating guarantees high accuracy and smooth rotation, ideal for sports and professional use
 
 Application: Suitable as a wheel bearing for bicycles, but also usable in other machines where this size is required.


 Advantages:

 
 Reduces friction to a minimum, allowing for higher speeds and more efficient pedaling
 
 Resistant to heavy loads and extreme weather conditions thanks to high-quality materials and modern production techniques
 
 Easy installation due to intuitive design


 Summary:
 The CEMA wheel bearing 18307 18x30x7 is a top-of-the-line bearing, available in ceramic or steel versions, with double seals and ABEC5 precision. Ideal for cyclists who demand maximum performance, reliability, and long life from their wheel bearings.

 - Industrial bearing 6803
 - Premium ABEC5 wheel bearing
 - Dimensions: 17x26x5mm
 - CEMA SRC ceramic or chrome steel bearing
 - Double sealed
 - Color: silver-black