20Y-27-22210 bearings are used in the Excavator final drive system of KOMATSU：
20Y-27-22210 BEARING KOMATSU parts: PC290-8K, PC220LC-8, PC240-8, PC200-8, PC600-8EO,PC850-8EO,PC240-10.
206-26-71270 bearings are used in the Excavator final drive system of KOMATSU：
206-26-71270 BEARING KOMATSU parts：PC300-8, PC350-8, PC360-10, PC350-8MO, PC300-7, PC360-7, PC340-7, PC380-7, PC390-10.
20Y-27-22220 bearings are used in the Excavator final drive system of KOMATSU：
20Y-27-22220 BEARING KOMATSU parts：PC200-6, PC100L-6, PC160LC-7, PC200-7, PC220-6, PC220-7, PC220LC-8, PC230LC-6, PC300LC-6, PC600LC-7, PC600-8
706-8J-41010 706-8J-41010 bearings are used in the Excavator travel motor system of KOMATSU：
706-8J-41010 BEARING KOMATSU parts fit：PC400-8, PC450-8, PC2000-8, PC550-8， PC490-10, PC300-8MO, PC350-8MO, PC300-7, PC400-7, PC450-7.
