Double Row Cylindrical Roller Bearing NN3038 NN3040 K/SP W33 with Brass Steel Cage for Engineering Equipment

Class

P4 / P2

Origin

DE / SE

Standard

DIN 620

Lead

3-7 Days

Double Row Cylindrical Roller Bearing NN3038 NN3040 K/SP W33 with Brass Steel Cage for Engineering Equipment

ISO 9001 · DIN Certified

<p>Minimize downtime in heavy engineering equipment with the <strong>Double Row Cylindrical Roller Bearing NN3038 NN3040 K/SP W33</strong>, designed to deliver exceptional radial load capacity and precise rotational stability. Its brass-steel cage construction ensures reliable performance under high-speed operations, while the separated inner and outer rings allow for easy mounting and maintenance—streamlining your procurement process with a single, high-quality solution.</p> <ul> <li>Engineered with C0-C5 clearance options to accommodate specific application needs, ensuring optimal fit and reduced vibration (Z1V1-Z3V3 grades available)</li> <li>60-64 HRC hardness rating guarantees long-term durability in demanding industrial environments, from construction machinery to large-scale manufacturing equipment</li> <li>Medium and large outer dimensions (120-190mm) provide robust support for heavy-duty engineering components, eliminating the need for multiple supplier coordination</li> </ul>

Technical Specifications

Type
Cylindrical Roller Bearing
Precision Class
P4 / P2
Certification
ISO 9001
Radial Runout
≤ 1.5 μm
Delivery
3-7 Business Days
Reply within 12 hours NDA available Full certification docs Precision packaging
Product Description

Technical Details & Application

Product Specifications

Parameter Details
Model NO. Double Row Cylindrical Roller Bearing
Outer Dimension Medium and Large(120-190mm)
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Axial Bearing
Separated Separated
Clearance C0 C2 C3 C4 C5
Cage Brass, Steel
Vibration Z1V1 Z2V2 Z3V3
Hardness 60-64 HRC
Transport Package Carton Pallet
Specification As Your Request
Trademark zhaoyun
Origin Jiangsu China
HS Code 8482800000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Engineering & Construction Heavy Machinery, Excavators, Loaders
Manufacturing Industrial Gearboxes, Press Machines
Mining Crushers, Conveyors, Mining Equipment
Energy Power Generation Systems, Heavy Duty Pumps

Reduce Equipment Downtime with Reliable NN3038 NN3040 K/SP W33 Double Row Cylindrical Roller Bearings

Engineering equipment operators know the frustration of unexpected downtime caused by bearing failures. When critical components like double row cylindrical roller bearings fail prematurely, production schedules are disrupted, repair costs mount, and project deadlines slip. Sourcing reliable replacements often means coordinating with multiple suppliers, each with different lead times and quality standards—complicating maintenance planning and increasing operational risks.

Precision Bearings for Engineering Equipment, In Stock and Ready to Ship

Our Double Row Cylindrical Roller Bearing NN3038 NN3040 K/SP W33 with Brass Steel Cage addresses these challenges directly. As an official authorized distributor, we maintain sufficient stock of high-precision bearings, including P4/P2 grade options, to support urgent maintenance needs. Each bearing undergoes rigorous inspection compliant with ISO 9001 and DIN standards, ensuring it meets the exacting requirements of engineering equipment such as heavy machinery gearboxes, industrial presses, and mining conveyors.

Engineered for Heavy-Duty Engineering Applications

This double row cylindrical roller bearing excels in demanding engineering environments where high radial loads and moderate axial loads are present. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures. The brass and steel cage construction ensures stability at high speeds, while the non-aligning design delivers consistent performance in applications with minimal shaft misalignment. Whether operating in dusty construction sites or high-vibration industrial settings, this bearing provides the durability needed to keep critical equipment running.

Key Technical Features That Maximize Performance

The 60-64 HRC hardness of the bearing steel ensures excellent wear resistance, extending service life under heavy loads. Clearance options from C0 to C5 allow customization to specific operating conditions—C3 and C4 clearances accommodate thermal expansion in high-temperature environments, while C2 reduces vibration in precision applications. Vibration grades Z1V1 to Z3V3 further enhance operational smoothness, with higher grades minimizing noise and energy loss. The combination of these features results in a bearing that balances load capacity, precision, and durability for engineering equipment.

Why Genuine Bearings Lower Total Operational Costs

Choosing genuine double row cylindrical roller bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned downtime, expensive repairs, and potential damage to关联 components. Our bearings, sourced through authorized channels, come with complete certification documents, ensuring traceability and compliance with industry standards. By investing in quality, engineering operations avoid the hidden costs of frequent replacements and maintain consistent productivity.

Your Trusted Partner for High-Precision Bearing Solutions

With official authorization from premium European brands, we stand behind the authenticity of every bearing we supply. Our precision-oriented inspection system checks each unit before shipment, verifying dimensions, hardness, and vibration levels. Serving over 800 clients across 45+ countries, we bring extensive experience in supporting engineering, wind power, and automation industries. Our senior application engineers provide technical guidance to ensure proper选型, while our premium shockproof logistics ensure bearings arrive in optimal condition. For projects requiring multi-brand components, our one-stop procurement process simplifies sourcing and reduces supplier management overhead.

Packaging & Shipping

  • Carton pallet packaging with protective cushioning to prevent damage during transit
  • Stock items shipped within 3-7 working days of order confirmation
  • Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking provided for all shipments
  • Minimum order quantity of 1 piece, supporting both emergency repairs and bulk procurement

Secure Your Bearing Supply Today

Don’t let equipment downtime impact your project timelines. Whether you need NN3038 K/SP W33 or NN3040 W33 precision bearings, our stock is ready to fulfill your order. Send us your bearing designation, application details, and required quantity, and our team will provide a unified quotation within one working day—complete with authorization documents and technical specifications.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

A: Yes, we are an official authorized distributor, and every bearing can be traced to the正品 supply chain. We provide complete authorization and quality inspection documents with each order.

Q: How can I confirm the correct bearing model for my equipment?

A: Our senior application engineers can assist with选型. Provide your equipment model, operating conditions (load, speed, temperature), and existing bearing details for a free compatibility check.

Q: What is your warranty policy?

A: All bearings come with manufacturer-backed warranty coverage. Manufacturing defects are covered by unconditional replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, making us ideal for emergency maintenance needs as well as large-scale projects.

Q: How quickly can I receive my order?

A: In-stock bearings are shipped within 3-7 working days. Urgent orders can be prioritized with expedited shipping options.

Q: How do you ensure bearing quality during shipping?

A: Our premium shockproof logistics include secure packaging and temperature-controlled transport for sensitive components, ensuring bearings arrive in factory-fresh condition.

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Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Inquiry

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Technical Support

Submit your inquiry for Double Row Cylindrical Roller Bearing NN3038 NN3040 K/SP W33 with Brass Steel Cage for Engineering Equipment and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.

Authorized European Stock

Genuine FAG & SKF, traceable certificates

Reply Within 12 Hours

Senior engineers, multi-language support

Full Certification Docs

ISO 9001, DIN 620, material certs available

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