I installed my first Hyperglide cassette. Shimano specs say torque it to 30-50 Newton meters. Did so, but it was too much pre-load; the hub had an irregularly lumpy rotation. So I backed it off. With just a a few clicks over finger-tight, a tiny bit of lumpy bearing feel occurs. Back off two more clicks, and the cassette rotates smoothly -- but has a little wobble.

Advice, please. "A few clicks over finger tight" is nowhere near 30-50 NM. I am concerned the cassette / freewheel will be too loose under riding conditions.

Note: I was surprised at how non-tight the old cassette was when I removed it prior to installing new parts. It wasn't torqued, either. Just a bit over finger tight.

Are the hub bearings bad? The bike is a 2003 Felt F65 and has some miles on it.

Thank you in advance for all guidance!