3RACING 3RB-688-ZZ/2 8x16x5mm Double Metal Shield Bearings 2-Pack - Performance Parts  [3RB-688-ZZ/2]

3RACING Double Metal Shield Bearing 8 x 16 x 5 mm (2 pcs) - 3RB-688-ZZ/2
Price:
USD$1.50
Brand:
3Racing
Model:
3RB-688-ZZ/2
Condition:
Brand New
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Race-Ready Shielded Bearings for Tuning and Reliability

The 3RACING 8 x 16 x 5 mm double metal shield bearing is a compact, serviceable component for racers focusing on consistent drivetrain performance. Shielded construction reduces particulate ingress that can affect lap-to-lap repeatability.

Contamination Resistance and Consistent Spin

Dual metal shields offer robust protection under dusty track conditions, helping to preserve internal races and balls. That resistance supports steady RPM and reduces unpredictable drag during runs.

Application Notes for Competitive Builds

These bearings are commonly used in wheel hubs and other 1/10 scale locations where an 8x16x5mm unit is specified. Use them as a cost-effective upgrade or spare for race day maintenance to keep setups consistent.

What is the recommended break-in for new bearings?

Run new bearings lightly under load for several short sessions, then inspect for smoothness. A controlled break-in helps seating of components and reveals defects early.

Should I upgrade to ceramic for top level tuning?

Ceramic options can reduce friction further and improve thermal stability, but double metal shield steel bearings are a high value choice for durability and contamination resistance in most club racing scenarios.

How do these bearings affect setup consistency?

Consistent bearing performance reduces variance in wheel friction, making suspension and slipper adjustments more predictable. Swap bearings that show play to maintain repeatable handling.