This reinforced COMBI seal is engineered for excavator pivot points exposed to dust, mud, vibration and repeated shock. Precision molding supports a close tolerance fit, while the dust lip shields the main sealing edge from abrasive contamination and the oil lip helps retain grease or lubricant.
Product type: pivot shaft COMBI seal
Core function: dust protection
Secondary function: grease retention
Primary material: premium NBR
Optional material: PU lip
Outer case: reinforced metal
Dust lip: heavy-duty scraper
Main lip: lubricant retaining
Application: excavator pivots
Application: boom joints
Application: linkage shafts
Industry: construction machinery
Contaminant resistance: dust
Contaminant resistance: mud
Contaminant resistance: grit
Abrasion resistance: high
Shock resistance: enhanced
Vibration resistance: strong
Water resistance: good
Corrosion resistance: optional
Operating motion: oscillating or rotary
Speed class: low to medium
Pressure class: low pressure
Temperature range: customizable
Hardness: application matched
Inner diameter: custom
Outer diameter: custom
Width: custom
Tolerance: precision controlled
Fit type: press fit
Shaft runout: minor compensation
Contact pressure: stable
Friction: controlled
Heat generation: low
Leakage control: reliable
Service life: extended
Maintenance interval: longer
Replacement type: aftermarket
OEM matching: supported
Drawing development: available
Quality inspection: dimensional and visual
Packaging: protective export packing
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