Tamiya 42171 RC 620 HC Thrust Bearings Service Set  [42171]

Tamiya 42171 - RC 620 HC Thrust Bearings
Price:
CAD$9.68
Brand:
Tamiya
Model:
42171
GTIN:
4950344421718
Condition:
Brand New
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Tune Durability with Tamiya 42171 Thrust Bearings

If you want to lengthen the life of a ball differential, the Tamiya 42171 RC 620 HC Thrust Bearings provide a serviceable option. The assembly can be taken apart so you can change the number of balls to find the balance between longevity and smooth operation.

Tamiya Thrust Bearing Details

The Tamiya 42171 kit contains two thrust washers and eight 1/16-inch balls. Adjusting how many balls are fitted lets hobbyists set up the differential to suit driving style and maintenance intervals, making it a practical spare or upgrade for many RC drivetrains.

How difficult is it to service these thrust bearings?

Servicing is straightforward for anyone comfortable with small parts. Use tweezers and a clean tray to manage the 1/16-inch balls and washers while you adjust the count.

Will changing the number of balls affect diff feel?

Yes. Adding more balls can spread load and reduce wear, while fewer balls may allow a slightly smoother, freer diff feel depending on your setup.

Are replacement balls and washers easy to source?

The 1/16-inch balls and thrust washers are common in RC parts supplies. Keep spares on hand to avoid downtime during rebuilds.

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