If you are in need of the idler pulley for the obsolete Toyota part # 44350-60010,
the following bearings fit the pulley (Direct replacement) :
KOYO bearing # 63012RSC3
NTN # 6301DDUC3
NACHI # 63012NSE9C3
SKF # 63012RSC3
The dimensions of this bearing are: 37mm O.D. 12mm I.D. 12mm Width