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Home Product 12x18x4 High Precision Miniature Bearing, Thin-Wall Design for Robotics & Medical Equipment
12*18*4 (high quality grade)

12x18x4 High Precision Miniature Bearing, Thin-Wall Design for Robotics & Medical Equipment

12x18x4 Oil Seal
High Grade Oil Seal
Premium 12x18x4 Seal
12*18*4 (high quality grade)
12x18x4 Oil Seal designed for superior durability and precision in heavy-duty applications. High Grade Oil Seal ensures reliable leak protection, excellent resistance to harsh environments. Premium 12x18x4 Seal offers optimal sealing performance for industrial machinery and automotive systems.
Categories:Power Transmission
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Product Description

The 12x18x4 Oil Seal is a high-performance sealing solution designed for demanding industrial applications. Engineered with precision, this High Grade Oil Seal features dimensions of 12mm inner diameter, 18mm outer diameter, and 4mm thickness, crafted from premium-grade materials for exceptional durability. It operates effectively across a temperature range of -40°C to +150°C, withstanding pressures up to 0.5 MPa. The Premium 12x18x4 Seal excels in automotive, hydraulic systems, and heavy machinery industries, offering superior resistance to oil, abrasion, and chemical exposure. Its dual-lip design ensures optimal dust/contaminant protection while maintaining lubrication retention. Key advantages include extended service life, reduced friction, and vibration damping. The robust construction requires professional installation to maximize performance in high-speed rotating equipment.
Parameter Specification
Product Model 12x18x4 Oil Seal
Material Composition Nitrile Rubber/FKM with Steel Case
Pressure Range 0-20 bar (static), 0-5 bar (dynamic)
Temperature Resistance -40°C to +120°C (NBR), -20°C to +200°C (FKM)
Rotational Speed Up to 15 m/s surface speed
Sealing Type Radial shaft seal with dust lip
Surface Finish Ra ≤ 0.4 μm for sealing surface
Dimensional Standards ISO 6194, DIN 3760
Application Compatibility High Grade Oil Seal for hydraulic/pneumatic systems
Chemical Resistance Premium 12x18x4 Seal resists oils, fuels, and mild chemicals
Certification RoHS compliant, REACH registered
Installation Requirements Press-fit assembly with installation sleeve recommended
question:What payment methods do you support?
answer:We support TT, PayPal, and other mainstream payment methods.
question:What shipping options are available?
answer:We offer DHL, FedEx, UPS, and other major shipping services.
question:Can you ensure stable product supply?
answer:Yes, we maintain efficient production and inventory for reliable supply.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What payment methods do you support?
answer:We support TT, PayPal, and other mainstream payment methods.
question:What shipping options are available?
answer:We offer DHL, FedEx, UPS, and other major shipping services.
question:Can you ensure stable product supply?
answer:Yes, we maintain efficient production and inventory for reliable supply.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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