Bike Ball Crank Bearing Retainer 1/4 x 9 Balls 4 Pcs Bottom Bracket Bearings for Kids Schwin Bicycle, Crank Bearings Repair Accessories for Genesis bike

These bicycle ball bearings are designed to provide smooth and efficient performance for your bike's critical components. Available in a variety of sizes, these precision parts are suitable for a range of applications, including crank assemblies, front wheels, and headsets.

The 1/4" x 9-ball bearings are intended for use in bicycle cranks, offering a compact and durable solution for maintaining optimal performance. The 5/16" x 7-ball and 5/16" x 9-ball bearings also cater to crank assemblies, providing a slightly larger diameter to accommodate different frame geometries.

For the bike's front wheel, the 3/16" x 7-ball bearings are the perfect fit, ensuring a smooth and stable ride. Complementing the front wheel, the 5/21" x 7-ball bearings are designed for the rear wheel, delivering reliable performance and reduced maintenance requirements.

Rounding out the selection are the 5/32" x 20-ball bearings, specifically engineered for the headset assembly. These bearings help to maintain precise steering control and contribute to the overall stability and responsiveness of your bicycle.

Each set of bearings includes 4 pieces, providing ample replacements to keep your bike running at its best. The bearings are constructed from high-quality steel, ensuring long-lasting durability and resistance to wear and tear.

To ensure a smooth and quiet ride, it is recommended to apply a small amount of grease to the bearings before installation. This simple step helps to protect the components and prevent abnormal noises or vibrations.

The product dimensions are as follows:

1/4" x 9-ball bearings: Outer Diameter: 1.14 inch/29mm Inner Diameter: 0.7 inch/18.4mm Ball Size: 1/4 inch

5/16" x 7-ball bearings: Outer Diameter: 1.46 inch/37.5mm Inner Diameter: 0.94 inch/24mm Ball Size: 5/16 inch

5/16" x 9-ball bearings: Outer Diameter: 1.74 inch/44.5mm Inner Diameter: 1.26 inch/32.5mm Ball Size: 5/16 inch

3/16" x 7-ball bearings: Outer Diameter: 0.8 inch/20.5mm Inner Diameter: 0.5 inch/13mm Ball Size: 3/16 inch

5/21" x 7-ball bearings: Outer Diameter: 0.98 inch/25mm Inner Diameter: 0.56 inch/14.5mm Ball Size: 5/21 inch

5/32" x 20-ball bearings: Outer Diameter: 1.58 inch/40.5mm Inner Diameter: 1.32 inch/33.5mm Ball Size: 5/32 inch

Please ensure that you measure your bicycle's specific requirements and confirm the compatibility of these bearings before making a purchase. With proper installation and maintenance, these high-quality ball bearings will help keep your bike running smoothly and efficiently for miles to come.

product information: