Original bearings for Komatsu excavator pumps 200, 220, and 400 , Iran

Original pump bearings for Komatsu 200, 220, and 400 excavators are designed with 30–50 mm inner diameter and 62–90 mm outer diameter. The balls are made of chromium steel with 60 HRC surface hardness and tensile strength of 2000 N/mm². Inner and outer rings are alloy steel with anti-corrosion coating, supporting radial loads up to 4000 kg and axial loads up to 1200 kg. Lubrication uses industrial NLGI 2 grease, with an operating temperature range from -30 to +120°C. Bearing installation precision meets ABEC P5 class, with vibration below 0.02 mm.

These bearings are compatible with hydraulic pumps of 200, 220, and 400 excavators, ensuring smooth and quiet operation. Maximum rotational speed ranges from 3000 to 6000 rpm, with service life over 50,000 hours. Impact and vibration resistance reaches 15g, with corrosion resistance in oily and humid environments. Installation uses standard bolts and shafts without structural modifications. All internal components comply with ISO 492, with successful pressure and durability testing.You can order and buy Original bearings for Komatsu excavator pumps 200, 220, and 400 from Iran by contacting us through whatsaap and email.
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