CR Rotary Shaft Oil Seal 42x67x7 mm | NBR R21 Lip Seal | High Performance Industrial Grade
The CR 42x67x7 Rotary Shaft Seal is engineered for robust performance in demanding industrial environments, ensuring maximum retention of lubricants (oil or grease) and effective exclusion of external contaminants (dust, moisture, and debris). Manufactured from standard high-grade NBR (Nitrile Butadiene Rubber), this R21 design features a single sealing lip and an external metallic case, providing superior stability and easy press-fit installation into housing bores. Designed to accommodate shaft diameters of 42mm with a precise fit, this seal maintains optimal dynamic sealing capability even under moderate pressure fluctuations and varying shaft speeds, crucial for gearboxes, pumps, motors, and hydraulic components.
Selecting the CR 42x67x7 seal guarantees enhanced machinery uptime and reduced maintenance frequency. Its precision-molded NBR composition offers excellent resistance to common industrial oils and hydrocarbons, maximizing the seal's lifespan within standard operating temperatures (-30°C to +100°C). As a trusted component in the CR portfolio, this seal adheres to stringent quality controls, providing reliable leakage prevention and protecting expensive internal bearings and mechanisms from premature failure due to contamination or lack of lubrication. Deploy this industrial-grade shaft seal for critical applications requiring high integrity and prolonged operational reliability.
Key Features
High-grade NBR construction provides optimal resistance to most industrial lubricants.
R21 external metal casing ensures firm seating and high rigidity in the housing bore.
Precision-engineered sealing lip minimizes friction while ensuring maximum retention of fluid.
Excellent defense against external media, extending the life of protected bearings and components.
Compliant with major international industrial dimensional standards.
