komatsu d250e d300e 굴삭기에 대한 바늘 롤러 베어링 Assy 5D2989
Parameter Detail Part Number 5D2989 / 5D-2989 Application Komatsu Excavator Models: D250E, D300E Condition New Function Reduces crank pin wear in diesel engines Material High-carbon chromium steel (SUJ2 동등한) Lubrication Grease-packed / Requires periodic maintenance MOQ 10 units Delivery Time 20 days Warranty 1 year Quality Standard ISO 9001, Komatsu OEM-compatible Weight 1 kg