
If you’ve dabbled in mechanical parts or industrial engineering, the term 6004 2rs c3 bearing might have popped up—or you might have passed over it, assuming it’s just another technical jargon. But this little bearing is a silent workhorse behind many machines around the globe. From conveyor belts in manufacturing plants to electric motors powering home appliances, the 6004 2rs c3 bearing ensures smooth motion, longevity, and efficiency. In a world where machinery uptime equates directly to profit and safety, understanding such components is more than just trivia. It’s about grasping the backbone of modern industry.
The global machinery market continues to grow rapidly, with sectors like manufacturing, automotive, and energy relying heavily on bearings to reduce friction and wear. According to the International Organization for Standardization (ISO), approximately 50% of machine failures are related to bearing issues. That kinda makes you think — how vital is the choice of bearing? 6004 2rs c3 bearings fill a crucial niche, especially in environments needing sealed, reliable parts that handle slight radial play and thermal expansion.
Globally, industries face rising demands for durability and energy efficiency. Imagine an electric motor in a wind turbine or an assembly line conveyor in remote facilities—these bearings keep things running without constant maintenance. Even a few hours of downtime can cripple production. So, these bearings address a simple yet profound problem: durability fused with compact efficiency.
Mini takeaway: The 6004 2rs c3 bearing operates smack in the middle of critical industrial demands — reliability, sealing, and tolerance for movement — vital to keeping global machinery productive.
In simple terms, a 6004 2rs c3 bearing is a type of deep groove ball bearing. Let me unpack that: “6004” indicates size—a standard code in bearing dimensions suggesting roughly 20mm bore diameter, 42mm outer diameter, and 12mm width. The “2rs” part means it has two rubber seals, one on each side, keeping dirt and moisture out and lubricant in. This gives it excellent protection in dusty or damp environments. Now, “c3” refers to the internal clearance—the space inside the bearing is slightly larger than standard, allowing for thermal expansion and high-speed rotation.
Put another way, this bearing is engineered for reliability even when machines heat up or endure vibrations and shocks. It’s an unsung hero in everything from electric motors to agricultural machinery, allowing continuous motion while defending against premature wear.
Mini takeaway: The 6004 2rs c3 bearing is a sealed, slightly looser than normal ball bearing designed to thrive where heat, dust, and speed meet.
The double rubber seals protect internal components from contaminants and keep lubrication where it matters. Many engineers say this extends operational life significantly compared to open bearings, especially in harsh environments.
The “C3” clearance factor is not just a numeric detail. It implies a looser internal fit, enabling the bearing to accommodate thermal expansion and slight misalignments without seizing. For machines running at high speeds or under fluctuating temperatures, this is a critical feature.
It fits a wide range of applications due to its moderate size and robust design. Whether you’re fixing an industrial fan or replacing parts in a home blender, these bearings do double duty.
Compared to custom or specialized bearings, the 6004 2rs c3 is relatively affordable and widely available. Its balance of price and performance helps factories keep maintenance budgets predictable.
Since it comes sealed and pre-lubricated, there’s little need for ongoing servicing, which is a time saver—especially in hard-to-access machines.
Rubber seals not only keep out dirt but resist oils and minor chemical exposures, broadening the bearing’s application scope.
| Specification | Details |
|---|---|
| Bore Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Width | 12 mm |
| Seal Type | Double Rubber Seal (2RS) |
| Internal Clearance | C3 (Increased) |
| Material | Chrome Steel (GCR15) |
| Speed Rating | Up to 17,000 RPM (dependent on lubrication) |
| Lubrication | Pre-greased, sealed for life |
From bustling urban factories in Germany and Japan to agricultural machinery in India’s rural fields, the 6004 2rs c3 bearing is everywhere. In fact, industries like:
One interesting case: a mining operation in South Africa chose these sealed bearings to reduce maintenance downtime in their dust-filled conveyor systems. Operators noticed a significant cut in repair costs and machine stoppages over six months.
Mini takeaway: The 6004 2rs c3 bearing’s combination of sealing and clearance makes it a global favorite for equipment exposed to dirt, temperature changes, and high speeds alike.
| Vendor | Price (USD/pc) | Quality Rating | Shipping Options | Warranty |
|---|---|---|---|---|
| AryBearing | $2.10 | Excellent (ISO 9001) | Worldwide Express | 1 year standard |
| SKF | $2.50 | Premium | Global | 2 years |
| NTN | $2.35 | High | Worldwide | 1.5 years |
| Local Distributors | $1.80 | Variable | Regional | Depends |
Honestly, the benefits here are both practical and emotional for engineers and businesses. You get:
When you think about the social impact, reliable equipment supports smoother production leading to better products, safer working conditions, and stable jobs. Not glamorous, but vital.
The bearing market isn’t standing still. Emerging materials like ceramic hybrids and smart sensors embedded in bearings will soon monitor wear and temperature, signaling maintenance needs before failure. Manufacturers are also pushing greener lubricants and coatings to reduce environmental impact.
Automation and Industry 4.0 require components that integrate intelligence and durability. The 6004 2rs c3 bearing’s classic design gets a modern boost with these innovations, ensuring it remains relevant in tomorrow’s machines.
Of course, no tech is perfect. A few challenges with 6004 2rs c3 bearings include:
Solutions? Selecting bearings from certified vendors with quality standards, monitoring operating environments, and using thermal management systems go a long way. Plus, some newer seals use advanced polymers that resist weathering better.
A: “2rs” refers to rubber seals on both sides to prevent dust and liquids, while “zz” means metal shields. Rubber seals (2rs) offer better moisture protection but slightly more friction than metal shields.
A: They perform well up to about 120°C. For higher temps, consider bearings with special seals or ceramic balls designed to withstand heat.
A: C3 clearance bearings are chosen when extra internal space is needed to cope with heat expansion or shaft deflections. If your machine runs hot or at high speeds, C3 is often preferred over standard clearance.
A: Yes, the sealed design protects against dirt and moisture, making them great for outdoor use—far better than open bearings.
A: Trusted industrial suppliers like AryBearing offer certified, quality-tested bearings with international shipping.
It’s plainly clear the 6004 2rs c3 bearing packs a surprisingly big punch for such a modest part. It tackles the age-old mechanical dilemma of reducing friction, protecting moving components, and shrugging off harsh environments—all while keeping size, cost, and maintenance manageable. If your machines need to hum steadily for years, investing a moment to understand and choose the right bearing, like this one, protects your bottom line.
So, ready to explore your options? Head over to AryBearing and check out their selection of 6004 2rs c3 bearings, complete with specs and support. Your machinery will thank you.