komatsu undercarriage parts
High quality of track roller 331-42639 for ZX200-3,ZX200-5G
Price: Negotiable
MOQ: 1 pallet
Delivery Time: 3 to 5 days
1. Material: Description Material Body 40Mn2 Side Cover QT450-10 Shaft 45# Floating Seal 15CrNiMo3 O-Ring rubber Double Metal Set CuPb10Sn10 Inside Hex Bolt JB/T1000-1977 Lubricated oil SAE85 2. Heat Treatment and Hardness Description Hardness Body HRC53°- 58° H≥4.5 Shaft HRC51°-56° H≥2.5 Other product we can supply Name Model Name Model big size track roller SK30 double flange track roller SH55 track roller SK30 double flange track roller SH60 big size track roller SK45