Heavy-Duty Ball Joint Dust Boot Metal Bonded Rubber Cover

Product Description

Heavy-duty, one-piece drum-shaped rubber dust boot with a bonded metal insert and a side pressure-relief hole. Seals out mud, sand, and water while retaining grease — engineered as a rubber-to-metal bonded protection boot for spherical joints on construction, lifting, and industrial equipment.

Key Features

• Rubber-to-Metal Bonded Construction: Metal skeleton vulcanized directly into the boot mouth for a secure, pull-off resistant fit under heavy vibration — a true bonded rubber boot, not a push-on cover.
• Oil-Resistant NBR Option: NBR compound resists petroleum-based greases, hydraulic oils, and oil-contaminated environments, making it the correct choice for oil-resistant rubber dust cover applications.
• Pressure-Relief Hole: Balances internal and external pressure during articulation, preventing ballooning, cracking, or detachment — a structural detail that separates this from generic dust caps.
• One-Piece Drum Shape: Rigid ellipsoidal body engineered for pivoting ball-and-socket joints, not rotating shafts — not a bellows-type CV boot.
• Custom Compound & Dimensions: NBR or NR, hardness, color, and dimensions produced to drawing or sample.

Product Details & Specifications

• Material: NBR (oil-resistant) or NR (general-purpose), selected by application
• Structure: Black vulcanized rubber body + bonded metal insert + side pressure-relief hole
• Shape: Drum-shaped / ellipsoidal, one-piece
• Color: Black standard; custom colors on request
• Hardness: Customizable (typically 60–80 Shore A)
• Size: Produced to drawing or physical sample
• MOQ: Negotiable based on size and tooling
• Traceability: Batch label with compound name, cure date, and hardness

Suitable Applications

• Construction Machinery: excavator linkage joints, loader steering ball joints, bulldozer tie rod ends
• Lifting & Hoisting: crane articulation points, aerial work platform joints
• Hydraulic Systems: cylinder rod end ball joints, clevis and linkage pivots
• Heavy Vehicles & Agriculture: steering tie rod ends, suspension ball joints exposed to mud, dust, and water
• General Industrial: articulated joints requiring oil-resistant dust protection and grease retention

JINNAI SEAL — Comprehensive Sealing Solutions for Oil & Gas

JINNAI SEAL has developed a comprehensive portfolio of sealing solutions for drilling tools, offshore drilling, wellheads & valves, and packer elements.

Core Material Capabilities:
Our factory specializes in high-performance elastomer compounds engineered for extreme environments:

• BOP Elastomers: Wear-resistant, corrosion-resistant, extreme-temperature, high-pressure, and high-H₂S (sour gas) resistant materials.
• Packer Elements: High-temperature and high-H₂S resistant packer elements.
• PCP Stators: Long-life Progressing Cavity Pump (PCP) rubber materials and corrosion-resistant PCP elastomers.
• Valve Seals: High-H₂S BOP valve seals and explosion-proof valve seals.
• Specialty Seals & Components: Large-diameter insulating joint seals, high-H₂S quick-opening closure seals, wear-resistant clamp connector seals, and subsea Christmas tree MEC seals.
• Other Oilfield Products: High-temperature leak repair seals for thermal pipelines, sour-service rubber hoses, sour-service cable penetrators, electrode tubing, metal-composite hoses, and high-speed rotary seals.

Key Advantages:

• Full Customization: We manufacture standard and custom seals to match a wide variety of oilfield drilling equipment.
• Stock Availability: Certain standard sizes and items are available from stock for fast delivery.
• Premium Materials: Manufactured using imported raw materials to ensure stable performance, high durability, and long service life.
• Field-Ready Design: High flexibility, excellent resistance to aggressive chemical media, and designed for easy disassembly and maintenance.

Packing /Payment/Shipping service

• Package:We provide standard cartons, pallets and wooden cases. Custom packaging is available upon request to protect goods well for different shipments.
• Payment Methods:Multi-currency settlement (CNY, USD, EUR, etc.). Multiple payment options including T/T, PayPal. Local bank transfer is available for some countries for faster transactions.
• Delivery Method:We offer international express, air freight, sea freight and railway transport. You can also appoint your own forwarder for flexible delivery arrangements.

OEM & ODEM SERVICE