The race is set at a different depth inside the pulley, so despite the other dimensions being very close, the race depth won’t work. I thought about stacking washers in there, but those aren’t made for that. They would likely wear down fairly soon. It just isn’t worth the risk. Also, I can clearly see the bearing numbers on the actual bearing and they are different. The tension bearing has a lot more load on it. Again, I’m not going to risk it, especially on my wife’s car.
Another not logical thing from Toyota.
Replaced by mechanic tensioner pulley month ago together with A/C clutch and belt on wife's 07 CR-V. $20 cad at local store Continental brand pulley. Enough selection on Rockauto for CR-V. Why no any tensioner pulley for 2gr-fe if this engine installed on lots Toyota's models?
Anyway most time recommend replace whole tensioner, not just pulley.