Rotary Shaft Seal CORTECO 19033279 oil seal 105x121x9 DWI PU

Application in heavy duty and construction machinery

CORTECO 19033279 105x121x9 DWI PU is a radial shaft oil seal designed for demanding industrial and construction equipment. Within the Oil Seals Corteco category, this model strengthens the segment of high performance polyurethane seals intended for heavy load and contaminated environments.

The 105x121x9 mm oil seal is commonly used in gearboxes, drive systems, axles and hydraulic assemblies. It is suitable for machines requiring reliable sealing under high mechanical stress. This seal corresponds to OEM reference CAT 1140647, making it a direct replacement option in compatible equipment.

DWI design and polyurethane material

The 19033279 oil seal features DWI construction, including a precision sealing lip optimized for dynamic shaft applications and structural elements ensuring stable positioning in the housing. The polyurethane PU material provides excellent resistance to abrasion, tearing and mechanical deformation.

Compared to standard NBR oil seals, polyurethane offers improved wear resistance and longer service life in dusty, vibrating and heavy duty environments. The material maintains dimensional stability and sealing efficiency over extended operating periods.

Technical parameters

Type: radial shaft oil seal
Manufacturer: CORTECO
Part number: 19033279
Dimensions: 105x121x9 mm
Design: DWI
Sealing material: polyurethane PU
Application: construction machinery, gearboxes, drive systems
OEM reference: CAT 1140647

The precisely engineered sealing edge ensures consistent contact pressure on the shaft surface, reducing leakage risk and supporting long term operational reliability.

FAQ

1. What is the function of the 105x121x9 DWI PU oil seal
   It seals rotating shafts in gearboxes and heavy machinery to prevent oil leakage and contamination ingress.

2. How does polyurethane differ from NBR
   Polyurethane provides higher abrasion resistance and better durability under heavy mechanical loads.

3. Is 19033279 compatible with CAT machines
   Yes, it corresponds to OEM reference CAT 1140647.

4. Is the DWI design suitable for contaminated environments
   Yes, the DWI construction improves sealing performance in dusty and harsh conditions.

5. Where are Corteco oil seals typically used
   They are used in automotive, construction and industrial applications requiring durable shaft sealing.