99502H-NR Snap Ring Sealed Bearing

The 99502H-NR Snap Ring Sealed Bearing is a deep groove ball bearing designed for utility wheels, outdoor equipment, and compact rolling systems requiring fast installation, secure lateral retention, and smooth continuous operation.

Measuring 5/8" x 1-3/8" x 0.433", this bearing features double rubber seals and an integrated snap ring for stable fitment inside compatible hubs and wheel housings. Manufactured from chrome steel (AISI 52100) and supplied factory pre-lubricated, the bearing delivers dependable mechanical durability and efficient rolling performance in light and medium-duty applications.

Applications for the 99502H-NR

The 99502H-NR is widely used in compact rolling equipment and industrial wheel systems, including:

• Lawn mower wheels
• Go karts
• Mini bikes
• Hand trucks
• Wheelbarrows
• Garden carts
• Utility trailers
• Light industrial rolling systems

This model is commonly selected when a system requires additional lateral retention through the integrated snap ring while maintaining efficient rotational performance.

Features of the 99502H-NR Bearing

Integrated snap ring

The NR snap ring helps maintain secure bearing positioning inside the housing while reducing lateral movement during operation.

Double rubber seals

Rubber seals help retain lubrication while reducing exposure to dust and moderate moisture.

Excellent high-speed capability

This bearing supports up to 20,000 RPM, making it suitable for continuous rolling and high-speed wheel applications.

Compact and durable structure

The bearing combines a compact profile with dependable radial load support for wheels and rolling assemblies.

Chrome steel construction

AISI 52100 chrome steel provides dependable mechanical strength and long-term durability for utility and light industrial systems.

When to Use a Snap Ring Bearing

NR bearings are commonly recommended for:

• Lawn mower wheels
• Go karts
• Utility equipment
• Compact rolling systems
• Applications requiring lateral bearing retention

Usage Recommendations

To improve bearing service life:

• Check shaft alignment
• Avoid excessive impacts
• Keep the hub clean
• Monitor uneven wear
• Use proper housing installation

PGN Bearings Product Line

PGN Bearings supplies industrial components for rotating and rolling mechanical applications. The product line includes ball bearings, flanged bearings, roller chains, pillow block bearings, steel balls, and additional products designed for dependable operation and long-term reliability.

FAQ

What does NR mean on a bearing?

“NR” indicates the bearing includes a snap ring for lateral housing retention.

What size is the 99502H-NR?

This bearing measures 5/8" x 1-3/8" x 0.433".

Can this bearing be used on go karts?

Yes. The 99502H-NR is widely used in go karts, mini bikes, and lawn mower wheels.

Does the bearing come pre-lubricated?

Yes. The bearing comes factory pre-lubricated.

What is the advantage of the snap ring?

The snap ring helps stabilize the bearing inside the housing and simplifies installation in compact hubs and wheels.