3RACING 3RB-MF74-ZZ/2 Shielded Flanged Bearings 4x7x2.5mm (2 pcs) - Hobby Upgrade  [3RB-MF74-ZZ/2]

3RACING Double Metal Shield Flanged Bearing 4 x 7 x 2.5 mm (2 pcs) - 3RB-MF74-ZZ/2
Price:
AUD$3.27
Brand:
3Racing
Model:
3RB-MF74-ZZ/2
Condition:
Brand New
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Reliable 3Racing Shielded Flanged Bearings

The 3Racing Double Metal Shield Flanged Bearing 4x7x2.5 mm is aimed at hobbyists seeking a low maintenance bearing option. Supplied as two bearings, they reduce friction and help protect internal races from abrasive particles encountered during typical runs.

Advantages of the Double Shield Design

Double metal shields give a stronger barrier to dust and grit compared to single shielded types, making these bearings a sensible pick for models used on beaches, clay tracks, or mixed surfaces where contamination is likely.

Mounting and Upkeep Tips

Ensure bearings are pressed evenly into place and avoid hammering directly on the shield. Periodic inspection and light oiling will prevent premature wear and keep the 3Racing bearings delivering smooth rotation.

Can I reuse old bearings that look clean?

If there is no play and they run quietly, reuse is possible, but any roughness or looseness means replacement is safer.

Does flange orientation matter when fitting?

Place the flange to match the housing cutout for proper axial location; incorrect orientation can allow the bearing to sit off centre.

What tools help install these bearings safely?

A bearing driver, press, or carefully sized socket used evenly across the outer race will help avoid damage to the shield and inner race.

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