3RACING Double Rubber Sealed Bearings 8x12x3.5mm (2 pcs) - 3RB-MR128-2RS/2 Racing Grade Sealed Bearings  [3RB-MR128-2RS/2]

3RACING Double Rubber Seals Bearing 8 x 12 x 3.5mm (2 pcs) - 3RB-MR128-2RS/2
Price:
USD$1.70
Brand:
3Racing
Model:
3RB-MR128-2RS/2
Condition:
Brand New
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Race-Focused Sealed Bearing Solution from 3RACING

The 3RACING Double Rubber Sealed Bearings 8x12x3.5mm (2 pcs) - 3RB-MR128-2RS/2 are engineered for low-maintenance performance in competitive setups. The dual rubber seals limit particle ingress while maintaining consistent preload and rotational stability under load.

Performance and Protection

Rubber seals balance contamination defense with acceptable running friction, preserving internal lubrication and reducing the frequency of strip-downs between race sessions. This helps maintain predictable drivetrain response during heats.

Recommended Install Positions

These bearings suit critical 1/10 scale locations such as wheel hubs, pinion carriers and diff shafts where reliable spin and minimal play contribute to lap time consistency. They are a cost effective upgrade for racers tuning handling and drivetrain feel.

How do the seals affect lubrication choices?

Sealed bearings hold factory grease well; for racing, select a low-viscosity race grease or light oil to reduce drag while preserving protection.

Are these suitable for high rpm applications?

Yes, in typical 1/10 scale drivetrains these bearings handle high rpm when mounted correctly and given suitable lubrication.

Should I match bearing seals across the car?

For tuning consistency, use similar sealed bearings at equivalent locations to keep rolling resistance and response uniform across the chassis.