6004 Zz 2RS Deep Groove Ball Bearing 20x42x12mm SKF for Construction Machinery

Product Specifications

Application Industries

Stop Construction Delays with Reliable SKF 6004 Deep Groove Ball Bearings

Construction machinery downtime costs $40,000 to $60,000 per day on average, often traced to bearing failures. Many contractors face the dual frustration of long lead times for genuine SKF bearings and the hidden risks of counterfeit parts that fail prematurely under heavy loads. Sourcing multiple bearing types from different suppliers only adds administrative burdens and delivery inconsistencies.

Genuine SKF 6004 Bearings in Stock for Immediate Shipment

As an official SKF distributor, we maintain ready inventory of SKF 6004 Zz 2RS deep groove ball bearings (20x42x12mm), designed specifically for the rigorous demands of construction machinery. Our precision-oriented inspection system ensures each bearing meets ISO 9001 and DIN standards before shipment, eliminating the guesswork from your procurement process. Whether you need bearings for excavator hydraulic systems or conveyor drives, we provide cross-brand model matching and unified quotations within one working day.

Optimal Performance in Heavy-Duty Construction Environments

The SKF 6004 deep groove ball bearing excels in applications with radial loads and moderate axial loads, common in construction equipment like loader bucket mechanisms and mixer drum drives. Its 20mm bore diameter, 42mm outer diameter, and 12mm width balance compact design with load-bearing capacity, while the Zz and 2RS seal options prevent contamination from dust, water, and debris—critical for job site reliability. The single-row, non-aligning design maintains precision under high rotational speeds, reducing vibration and extending equipment service life.

Technical Features That Maximize Machinery Uptime

Three key specifications define the SKF 6004 bearing’s performance: precision rating, vibration class, and seal type. Available in P0 to P4 precision grades, the P4 option delivers tighter tolerances for high-speed applications like motor spindles, minimizing runout and noise. Vibration classes Z1V1 to Z3V3 allow customization—Z3V3 is ideal for sensitive equipment where smooth operation is paramount. The dual-seal options (Zz metal shields for high temperatures, 2RS rubber seals for enhanced contamination resistance) ensure optimal lubrication retention, reducing maintenance intervals by up to 30% compared to open bearings.

Why Genuine SKF Bearings Lower Total Cost of Ownership

Counterfeit 6004 bearings may cost 30-50% less upfront, but they typically fail within 3-6 months in construction use, leading to unplanned downtime, labor costs for replacement, and potential damage to关联 components like shafts and housings. Genuine SKF bearings, backed by over 100 years of engineering expertise, offer predictable service life—often 2-3 times longer than fakes. Our ISO 9001 compliant inspection process further ensures reliability, with each bearing tested for dimensional accuracy and material integrity before delivery. When factoring in reduced downtime and maintenance, genuine SKF bearings deliver a 40-60% lower total cost of ownership over 24 months.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with anti-counterfeit labels and product certification documents
• Consolidated carton pallet packaging for bulk orders, with individual bearing protection
• Priority delivery available for emergency spare parts, with 3-7 business day global shipping
• Full logistics tracking via DHL, FedEx, or UPS, with real-time status updates
• Minimum order quantity of 1 piece, supporting both maintenance and project-based procurement

Get Your SKF 6004 Bearings Shipped Today

Don’t let bearing delays halt your construction project. Send us your SKF 6004 bearing requirements—including seal type (Zz or 2RS), precision grade, and quantity—and our team will provide a detailed quotation within 24 hours. With our ready stock and global logistics network, we can have your bearings delivered to your job site or warehouse in as little as 3 days, minimizing equipment downtime and keeping your project on schedule.

Frequently Asked Questions