20Y-30-00101 Seal Assembly Fits Komatsu Models
20Y-30-00101 Seal Assembly Fits Komatsu Models
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One New Aftermarket Replacement Floating Seal Assembly for Komatsu Excavators and Bulldozers
This floating seal assembly (20Y-30-00101) is an undercarriage component used in the track frame carrier roller assemblies on Komatsu excavators and bulldozers. Floating seals protect internal roller bearings from dirt, sand, and abrasive material by providing a dynamic face seal between rotating and stationary components, keeping oil in and contaminants out. This is a complete seal set consisting of two metal rings and two NBR60 rubber rings.
Specifications
- Part Type: Floating Seal Assembly (Duo-Cone / Face Seal)
- Kit Contents: 2 metal rings + 2 rubber rings (one complete set)
- Material: Steel rings with NBR60 rubber o-rings
- Weight: Approximately 0.35 kg
- Application: Track frame carrier roller (top roller) assemblies
Compatible Models
Komatsu Excavators: PC250, PC250HD, PC270, PC290, PC300, PC300-5, PC300-6, PC300SC, PC310, PC340, PC350, PC700, PC700LC-8E0 (S/N 65001-UP), PC750, PC750SE, PC800, PC800-8E0 (S/N 65001-UP), PC800SE, PC850, PC850SE
Komatsu Bulldozers: D155A, D155AX
Komatsu Mobile Crushers/Recyclers: BR550JG
Replaces Part Number(s):
20Y-30-00101, 20Y3000101
New aftermarket replacement part - not remanufactured, not used.



