Stampede tranny aluminum idler gear very tight on bearings?

[Natedog]

My Stampede tranny aluminum idler gear is very tight when I try to press the bearings into it. I've built several Stampede trannies before with the stock plastic idler gear and it always fit fine.

Got this aluminum idler gear couple years ago as an upgraded spare and hadn't tried to put bearings in it until now...it measures about 0.431" ID and the bearing is 0.433"...anybody else's go together this tight???

[Natedog]

Too late...I decided to hammer it in and see. Used a small hammer and a block of wood on my workbench...drove them in nice and straight one at a time and they seated well. The grear assembly spins on the shaft good still, thanks anyways. BTW, sure beats the heck outta the way most aluminum parts the bearings just drop in like a...well like you know...lol.