3RACING 3RB-R188-2RS/10 Racing Grade Double Rubber Seals Bearings 1/4 x 1/2 x 3/16 (10 pcs)  [3RB-R188-2RS/10]

3RACING Double Rubber Seals Bearing 1/4 x 1/2 x 3/16 (10 pcs) - 3RB-R188-2RS/10
Price:
USD$6.90
Brand:
3Racing
Model:
3RB-R188-2RS/10
Condition:
Brand New
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Race Focused Sealed Bearing Overview

The 3RACING Double Rubber Seals Bearing (1/4 x 1/2 x 3/16) is specified for hobby racing layouts that need contamination resistance without frequent rebuilds. The dual seal profile retains lubricant while blocking particulate ingress, helping drivetrain components maintain consistent behaviour during repeated runs.

Application and Fit Notes

Designed to standard hobby tolerances, these 3RACING bearings fit common wheel and shaft locations. Proper installation and alignment are essential to avoid seal deformation; use correct press tools and check axial play after fitment to ensure optimal service life.

Maintenance and Performance Tradeoffs

Sealed bearings reduce the need for routine cleaning but do require periodic inspection after heavy track use. While there is a marginal increase in seal drag compared to open bearings, the protection they offer yields more predictable lap times and fewer part changes during an event.

What installation method preserves the seals?

Use a bearing press or soft jawed vise and apply force only to the outer race when seating the bearing to avoid distorting the seals or inner race.

How do sealed bearings affect tuning and setup?

Sealed bearings offer stable friction characteristics over multiple runs which can help with predictable handling; factor the slight drag into gearing and tyre choices for precise lap time tuning.

When is bearing replacement preferable to service?

If you detect seal damage, persistent roughness, or increased play, replacement is usually more reliable than attempting to service sealed bearings, especially in race conditions.