Double Row Cylindrical Roller Bearing NN3030 K/Sp W33 Separated Design for Mechanical Equipment
<p>Ensure uninterrupted mechanical performance with the <strong>Double Row Cylindrical Roller Bearing NN3030 K/Sp W33</strong>—engineered to deliver exceptional load handling and precision for critical equipment. Its separated design simplifies installation and maintenance, reducing downtime for your operations while maintaining original factory quality standards.</p><ul><li>Non-aligning structure with brass/steel cage options ensures consistent performance under heavy radial loads</li><li>Precision clearance grades (C0-C5) and Z1V1-Z3V3 vibration control meet strict industrial requirements</li><li>60-64 HRC hardness rating guarantees long-term durability in demanding mechanical environments</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension Range | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Alignment Type | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separated Design | Separated |
| Radial Clearance | C0 C2 C3 C4 C5 |
| Cage Material | Brass, Steel |
| Vibration Level | Z1V1 Z2V2 Z3V3 |
| Surface Hardness | 60-64 HRC |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mechanical Equipment | Rotary tables, gearboxes, machine tool spindles |
| Industrial Machinery | Presses, rolling mills, material handling equipment |
Finding the Right Double Row Cylindrical Roller Bearing NN3030 K/Sp W33 for Your Equipment?
Selecting the correct bearing for critical machinery often means the difference between smooth operation and unexpected downtime. Many purchasers struggle with mismatched dimensions causing installation delays or premature failures due to improper load handling. When dealing with mechanical equipment that requires high precision and separated design bearings, these challenges become even more critical.
Engineered for Reliable Performance in Demanding Applications
The Double Row Cylindrical Roller Bearing NN3030 K/Sp W33 addresses these common pain points through its specialized separated design, allowing for easier mounting and dismounting during maintenance. Our ISO 9001 certified manufacturing process ensures consistent quality, while our extensive inventory of bearing types—including cylindrical, spherical, and angular contact designs—means you can source all required components from a single supplier. This bearing is particularly suited for mechanical equipment where axial load handling and precise radial guidance are essential.
Optimal Performance in Heavy-Duty Operating Conditions
This bearing excels in applications involving moderate to high radial loads combined with axial loads, operating within temperature ranges typical of industrial environments. Its non-aligning design requires precise shaft and housing alignment, making it ideal for machinery with rigid mounting structures such as gearboxes and rotary tables. The W33 cylindrical roller bearing configuration provides efficient lubrication distribution, reducing friction and extending service life in continuous operation scenarios.
Key Engineering Features That Impact Performance
The separated design of this double row cylindrical roller bearing allows for independent mounting of inner and outer rings, simplifying installation and replacement procedures. Constructed from high-grade bearing steel with a hardness of 60-64 HRC, it offers excellent wear resistance and load-carrying capacity. The available cage materials—brass and steel—provide options for different operating speeds and temperature requirements, with brass cages offering better heat dissipation at higher speeds. Radial clearance options (C0 to C5) allow customization for specific application needs, from tight precision fits to applications requiring thermal expansion accommodation.
Total Cost of Ownership: Why Quality Matters
Choosing a precision bearing like the NN3030 K/Sp W33 directly impacts your equipment's total operating cost. Inferior bearings with incorrect hardness or poor dimensional accuracy often lead to increased vibration, noise, and early fatigue failure. These issues can cause secondary damage to adjacent components, resulting in unplanned downtime and expensive repairs. By investing in a high-precision double row bearing that meets strict manufacturing standards, you reduce the risk of premature failure and lower long-term maintenance costs, even if the initial purchase price is higher than lower-quality alternatives.
Quality Assurance You Can Depend On
Our production and inspection processes adhere to ISO 9001 standards, ensuring consistent quality from raw material testing through final dimensional verification. Each bearing undergoes硬度 (hardness) and surface treatment inspections to meet specified tolerances. We provide a warranty against manufacturing defects, with clear procedures for returns and replacements. Our global sourcing network allows us to supply bearings according to international standards, and our substantial inventory supports prompt delivery for both standard and specialized requirements.
Packaging & Shipping
- Standard packaging: Carton and pallet for secure transportation
- Spot inventory available for quick dispatch
- Flexible shipping options: Express courier, air freight, or sea transport
- Low minimum order quantity supported for both trial and bulk purchases
Get Your Bearing Quote Today
Whether you need the NN3030 K/Sp W33 specifically or other bearing types, provide us with your required model, dimensions, and quantity. Our team will respond promptly with pricing and availability. With our comprehensive product range and technical expertise, we can help ensure you get the right bearing for your application the first time.
Frequently Asked Questions
Q: Do you supply bearings from other brands or only specific models?
A: We support inquiries for all bearing brands and models, providing supply according to your specified brand, type, or dimensional requirements.
Q: How can I confirm if this NN3030 K/Sp W33 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NN3030 K/Sp W33 specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms and duration are detailed in each sales contract, with clear procedures for returning defective products.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including small trial orders, to accommodate both maintenance needs and production requirements.
Q: How quickly can you ship the NN3030 K/Sp W33 bearing?
A: If in stock, we can ship the same day. For non-stock items, lead times depend on production schedules, with express shipping options available upon request.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we support custom bearing manufacturing according to provided drawings, specifications, or sample requirements for specialized applications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
You May Also Need
Related Products
-
SKF
Double Row Cylindrical Roller Bearing NU216 ECJ/C3 for Ship Equipment 60-64 HRC Hardness
<p>Ensure uncompromising performance for your ship equipment with the <strong>Double Row Cylindrical Roller Bearing NU216 ECJ/C3</strong>, engineered to deliver reliable operation even under harsh marine conditions. Its 60-64 HRC hardness rating ensures exceptional wear resistance, reducing downtime and maintenance costs for critical vessel systems.</p><ul><li>Separated design allows easy mounting and dismounting, simplifying on-board maintenance procedures</li><li>C3 clearance optimized for thermal expansion in marine environments, preventing premature failure</li><li>Brass or steel cage options provide durability against corrosion and high load capacities</li></ul>
View Details -
SKF
NNU4921BK/SPW33 Double Row Cylindrical Roller Bearing for Steel Mills Machinery
<p>Ensure peak performance for your steel mill machinery with the reliable <strong>NNU4921BK/SPW33 bearing</strong>, a double row cylindrical roller solution designed to handle heavy radial loads and high-speed operations. As an SKF cylindrical roller bearing with an open type structure and 105mm inner diameter, it delivers consistent precision for critical applications, reducing unplanned downtime and maintenance costs.</p><ul><li>Directly sourced from SKF official channels for 100% authenticity and full batch traceability</li><li>Double row design provides enhanced load distribution, ideal for steel mill equipment like rolling mills and conveyor systems</li><li>Open type construction allows for easy lubrication maintenance, ensuring long service life in harsh industrial environments</li></ul>
View Details -
SKF
Double Row Cylindrical Roller Bearing NU2326 EC ML for Ore Crusher Processing Equipment with Brass Cage
<p>Ensure uninterrupted ore crusher operations with the <strong>NU2326 EC ML bearing</strong>, a double row cylindrical roller bearing engineered to deliver exceptional load capacity and durability in heavy-duty processing environments. Its brass cage design minimizes friction and heat buildup, extending service intervals for critical crusher equipment.</p><ul><li>Precision-engineered with bearing steel (60-64 HRC hardness) to withstand high-impact loads and harsh mining conditions</li><li>Separated inner/outer ring construction allows for easy maintenance and quick replacements, reducing downtime</li><li>Supports axial and radial loads with clearance options (C0-C5) to match specific crusher operating requirements</li></ul>
View Details -
SKF
Double Row Cylindrical Roller Bearing NUP311/NUP312 C3 Clearance for Air Compressor
<p>Ensure your air compressor runs with uncompromised reliability using our <strong>Double Row Cylindrical Roller Bearing NUP311/NUP312 C3 Clearance</strong>—engineered to maintain precision under high radial loads and thermal expansion. This bearing minimizes downtime by balancing axial displacement with its separated inner ring design, a critical feature for air compressor crankshaft applications where alignment shifts are common.</p><ul><li>C3 clearance rating optimized for heat-induced expansion, preventing premature seizing in continuous-duty compressors</li><li>60-64 HRC hardness ensures long service life even in dusty industrial environments</li><li>Directly sourced from authorized SKF channels, complete with batch traceability and factory warranty</li></ul>
View Details
Get a Fast Quote
Request a Quotation for
Double Row Cylindrical Roller Bearing NN3030 K/Sp W33 Separated Design for Mechanical Equipment
Fill in your requirements and our multilingual sales team will respond within 12 hours with a competitive price, availability confirmation and delivery schedule.
- Reply within 12 hours -- 24/7 multilingual support
- Competitive factory-direct pricing with full documentation
- Small trial orders and bulk container loads both welcome