3RACING 3RB-MF74-ZZ/2 Double Metal Shield Flanged Bearings 4x7x2.5mm (2 pcs) - Track Ready  [3RB-MF74-ZZ/2]

3RACING Double Metal Shield Flanged Bearing 4 x 7 x 2.5 mm (2 pcs) - 3RB-MF74-ZZ/2
Price:
£1.73
Brand:
3Racing
Model:
3RB-MF74-ZZ/2
Condition:
Brand New
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Track Ready 3Racing Flanged Bearings

The 3Racing Double Metal Shield Flanged Bearing 4x7x2.5 mm is a straightforward bearing upgrade for hobby racers and weekend builders. Supplied in pairs, these bearings aim to lower friction and defend against common contaminants encountered on track.

Why a Double Metal Shield Helps

Metal shields on both faces reduce the chance of grit entering the raceway, which can extend usable life compared with open bearings. The flanged outer keeps the bearing located and simplifies assembly in many hubs and carriers.

Quick Fit and Maintenance Notes

Seat the bearing square to the housing and avoid impacting the inner race during installation. Regular inspection and light lubrication will preserve rotation quality and help the 3Racing bearings last longer between services.

Do these bearings suit electric and nitro models?

They suit many electric and nitro applications that specify 4x7x2.5 mm bearings, but confirm space and load requirements for your specific assembly.

Is there a break-in needed for new bearings?

A short run-in at moderate speeds with light lubrication helps seats the bearings and can improve initial smoothness.

How do I protect bearings from salt or corrosive environments?

Avoid salty conditions where possible; if exposure is unavoidable, rinse with fresh water after use and apply a corrosion inhibiting oil to the outer surfaces.

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