OEM-specification Komatsu Bearing. Part number 566-35-42530. Compatible with 330M, 558, HD200D, HD205, HD255, HD320, HD325, HD405, HD785, HD985, Wa250, Wa300, Wa320, Wa350. Fits: WA3203, WA3003ASN, WA3803, WA3503A.
Always verify with serial number before ordering.
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Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.