ENDURO 61903 LLU/LLB CN ABEC-5 Radial Bearing – 17mm x 30mm x 7mm

The ENDURO 61903 LLU/LLB CN ABEC-5 Radial Bearing is designed to deliver smooth rotation, reliable performance, and long-lasting durability for demanding cycling and mechanical applications. Manufactured with precision ABEC-5 standards, this radial bearing helps reduce friction and improve efficiency during operation. It features LLU/LLB sealing technology that protects the bearing against dust, dirt, moisture, and contaminants while maintaining smooth movement under different riding and usage conditions. The CN clearance design provides balanced internal clearance for stable operation and dependable performance in standard applications. Built using high-quality materials and engineered for durability, this bearing is suitable for hubs, bottom brackets, suspension systems, and other rotating components where smooth operation and long service life are important. Its compact dimensions of 17mm x 30mm x 7mm make it a dependable replacement or upgrade choice.

Key Features

• Brand: ENDURO

• Bearing Model: 61903 LLU/LLB

• Bearing Type: Radial Bearing

• Precision Rating: ABEC-5

• Seal Type: LLU/LLB Sealed Design

• Clearance: CN Clearance

• Performance Benefit: Smooth rotation with reduced friction

• Protection: Helps resist dust, dirt, and moisture contamination

• Application: Suitable for bicycles and general rotating systems

• Durability: Designed for long service life and dependable use

Product Specifications

• Product Name: ENDURO 61903 LLU/LLB CN ABEC-5 Radial Bearing

• Inner Diameter: 17mm

• Outer Diameter: 30mm

• Width: 7mm

• Bearing Standard: ABEC-5

• Clearance Type: CN

• Bearing Category: Radial Bearing

• Seal Configuration: LLU/LLB

• Construction: Precision engineered bearing assembly

Sealing & Protection Technology

• LLU Seal Design: Provides enhanced sealing to protect against water and contaminants

• LLB Seal Design: Creates lower seal drag while maintaining effective protection

• Reduced Maintenance: Helps keep contaminants out for extended bearing life

• Reliable Performance: Suitable for demanding environments and regular use

• Long-Term Efficiency: Supports smoother movement while reducing wear over time

Easy Operation / Usage

• Check compatibility with your existing bearing dimensions before installation

• Remove the old bearing carefully from the component housing

• Install the bearing evenly using proper bearing tools

• Avoid applying uneven pressure during fitting

• Ensure the bearing is seated correctly for smooth performance

Why Choose This Product

• Manufactured with trusted ENDURO quality standards

• ABEC-5 precision helps improve rotational efficiency

• Sealed design protects against dirt and moisture

• CN clearance provides balanced operating performance

• Durable construction for long-term use

• Suitable for multiple cycling and mechanical applications

In the Box

• 1 x ENDURO 61903 LLU/LLB CN ABEC-5 Radial Bearing (17mm x 30mm x 7mm)