should I put grease in these bearings? they’re not sealed. I have some pretty heavy silicone grease, is that good?
(There’s a little rust, it’s not bad, I’ll treat it.)
eta: I put in some silicone through the gaps and now I give the wheels a spin and they goes for like 30 seconds before I get bored and stop it by hand so that's pretty good I think. Thanks replyers!
@moira A question for everyone in this thread: Is it okay to mix silicone grease with other kinds of grease? Some sources on the internet say maybe not, but also they're talking about high performance industrial applications, so maybe it doesn't matter for a bike trailer
@moira depends on the other grease. There are some greases that when mixed have a chemical reaction, they cannot be mixed. However not knowing what the other grease is I cannot say if it is safe.
I edited original to say I put in some silicone through the gaps and now I give the wheels a spin and they goes for like 30 seconds before I get bored and stop it by hand.
I know I got some in there (maybe too much) because some came back out the first couple of spins. But because silicone it shouldn't turn into glue I think. Hopefully!
@moira They look like sealed bearings to me, just not rubber seals. Grease is always a good idea when you can get at the bearings. If not just ride them until they fail or you get tired of the friction, and install new bearings. The surface rust is irrelevant.
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