Finn,
A
few us are / were using the bearing Steve identified. I had
34.5 hours on the new bearing when I sold the RV10. The
bearing still look new.
|
5MM
needle cage assy bronze inner race / steel outer
race 35mm
AZK35525
|
35mm
|
52mm
|
5mm
|
|
7000
rpm
|
My
oil seal was leaking and replaced at the same time as the
5MM bearing. The leak was only detectable at idle. A small
streak of oil was form below the seal. In flight the oil
would blow everywhere making it impossible to located the
source.
|
350909
|
Rear
Oil Seal National Oil Seal
|
Bobby
– S21 kit has arrived.
From:
Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net]
Sent: Thursday, February 25, 2021 12:46 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] RD-1C input shaft oil seal
So there's a bunch of posts of input shaft
oil seal failures.
But what is the recommended oil seal?
I think I've traced my oil leak to that. (Tricky because found
drops on
fittings near oil filter base after last flight. But after
wrapping
paper towels around the fittings and doing a ground run-up,
only traces
of oil is on the outside of them -- likely slung up from the
input shaft).
On a different note. January last year I bought a “INA
81107TN
Cylindrical Roller Thrust Bearing, Polyamide Nylon Cage, Open
End,
Metric, 35mm ID, 52mm OD, 12mm Width, 6500rpm Maximum
Rotational Speed”
on Amazon for $18.40 to replace the input thrust bearings on
my RV-3B.
(The stacked bearings are cutting a groove in the shaft.) Now
the same
bearing set costs $135 and up. WTF! Did find SKF 81107TN on
eBay for
$30.50. But dang! No inflation?
Finn
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