3RACING Double Rubber Seals Bearings 6x12x4mm (2 pcs) - 3RB-MR126-2RS/2 Racing Spec  [3RB-MR126-2RS/2]

3RACING Double Rubber Seals Bearing 6 x 12 x 4 mm (2 pcs) - 3RB-MR126-2RS/2
Price:
USD$1.60
Brand:
3Racing
Model:
3RB-MR126-2RS/2
Condition:
Brand New
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Technical overview of 3RACING 3RB-MR126-2RS/2 sealed bearings

The 3RACING double rubber seal bearing, sized 6 x 12 x 4 mm, provides a compact solution for lowering bearing drag while adding a sealed barrier against contaminants. Its form factor suits precision placement in wheel hubs and small rotating assemblies.

Sealing and performance characteristics

Dual rubber seals protect the races and rolling elements from debris and moisture, preserving geometric integrity and reducing the need for frequent servicing. The sealed interface balances protection with minimal additional running resistance.

Application and tuning notes

These bearings fit a broad range of mounting points on racing and club-level vehicles. When tuning rolling resistance, consider light bearing oil for long runs and avoid heavy greases that can alter dynamic friction characteristics.

What is the expected service role for these bearings in race cars?

They are suitable as wheel and idler bearings where low drag and basic contamination protection are priorities, providing predictable rolling behaviour between pit checks.

Can I tune rolling resistance with lubrication?

Yes. A small amount of light bearing oil can lower rolling resistance for long runs, while heavier greases will increase torque and affect responsiveness.

Are these bearings suitable for high RPM components?

Their sealed design is fine for common wheel and accessory RPM ranges, but for extreme high RPM motor shafts verify bearing ratings and tolerances before use.