3RACING Double Metal Shield Bearings 3x8x4mm (10 pcs) - 3RB-693-ZZ/10 Race Support Pack  [3RB-693-ZZ/10]

3RACING Double Metal Shield Bearing 3 x 8 x 4 mm (10 pcs) - 3RB-693-ZZ/10
Price:
USD$6.90
Brand:
3Racing
Model:
3RB-693-ZZ/10
Condition:
Brand New
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Race-Oriented Bearing Selection

The 3RACING Double Metal Shield Bearing 3 x 8 x 4 mm set provides a bulk supply for teams and tuners needing consistent rolling resistance across axles and idlers. These bearings are easy to service between runs and help maintain predictable handling.

Construction and Protection

Dual metal shields offer a balance between contamination resistance and serviceability, making these bearings suitable for competitive events where quick maintenance is required. The compact 3 x 8 x 4 mm size fits common lightweight racing hubs and shaft assemblies.

Tuning and Replacement Notes

Use this 10 pack to refresh multiple pivot and wheel points when chasing consistent lap times. Check shaft tolerance and clearance after installation to ensure minimal endplay and consistent drivetrain feedback.

Which running surface benefits most from these shields?

Hardpacked and indoor carpet tracks benefit from shielded bearings since they limit dust ingress while allowing easy service between heats.

Should I lap these bearings for reduced friction?

For club racing, light lubrication and careful seating is usually sufficient. Lapping and polish work is more appropriate for high end race bearings specifically made for that process.

How many spares should a race team carry?

Carry enough to replace wheel and transmission bearings for at least one full car; a 10 piece pack covers multiple critical points for a single car and aids quick swaps during events.