Angular Contact Ball Bearing
NSK NU309EM NU310EM NU311EM Cylindrical Roller Bearings
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NSK NU309EM NU310EM NU311EM Cylindrical Roller Bearings

Ensure smooth, reliable rotation in your machinery with high-performance NSK Cylindrical Roller Bearings designed to handle radial loads with precision. These NU309EM, NU310EM, and NU311EM models deliver consistent operation, reducing downtime and extending equipment life in industrial applications.

  • Single-row design optimized for radial load handling, ideal for high-speed rotating components
  • Constructed from durable bearing steel for long-lasting performance in demanding environments
  • Unseparated structure maintains alignment, ensuring stable operation even under variable loads

Engineered to meet strict quality standards, these bearings provide the dependability you need to keep your operations running efficiently—no more unexpected interruptions or costly replacements.

Technical Specifications
Product Name
NSK NU309EM NU310EM NU311EM Cylindrical Roller Bearings
Category
Angular Contact Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Product Specifications

Parameter Details
Model Number 6902
Bearing Type Radial Bearing
Separated Unseparated
Rows Number Single
Load Direction Radial
Material Bearing Steel
Specification 10*26*8mm
Trademark NTN
Origin Germany Sweden Japan
HS Code 8482102000
Transport Package Packed

Application Suitability

Industry Typical Applications
Automation Equipment Conveyor systems, robotic arms
Mechanical Engineering Small electric motors, pumps
Automotive Power transmission components

Struggling with Bearing Selection? NSK NU309EM NU310EM NU311EM Cylindrical Roller Bearings Deliver Reliability

Finding the right cylindrical roller bearings can be a challenge when faced with countless models and unclear quality standards. Many buyers experience early bearing failure due to mismatched dimensions or substandard materials, leading to costly equipment downtime and maintenance delays. Sourcing from multiple suppliers to compare options only adds to the frustration.

Engineered for Consistent Performance in Demanding Applications

Our NSK NU309EM, NU310EM, and NU311EM cylindrical roller bearings address these issues through ISO 9001-certified manufacturing processes and strict quality control. These single-row radial bearings, constructed from high-grade bearing steel, offer reliable performance in applications like conveyor systems and mechanical engineering equipment. With a comprehensive inventory of international brands including NSK, NTN, SKF, and more, we provide a one-stop solution for your bearing needs.

Optimal Performance in Radial Load Environments

Designed to handle radial loads efficiently, these cylindrical roller bearings operate best in moderate-speed applications where precision and durability are critical. The unseparated design ensures stable performance under consistent radial pressure, making them suitable for power transmission components in automotive and automation equipment. Proper selection of these bearings helps minimize vibration and extend equipment service life.

Key Engineering Features for Long-Term Reliability

The bearing steel construction provides excellent hardness and wear resistance, essential for withstanding continuous operation. The 10*26*8mm specification (bore diameter * outside diameter * width) ensures compatibility with standard shafts and housings, simplifying replacement and reducing installation errors. The single-row configuration balances load capacity with space efficiency, making it ideal for compact machinery designs. Each bearing undergoes rigorous dimensional and hardness testing to meet international standards.

Why Choosing the Right Bearing Lowers Total Cost

Investing in quality cylindrical roller bearings reduces long-term costs by minimizing downtime and maintenance. Inferior bearings often fail prematurely due to material inconsistencies, leading to unexpected production halts and expensive repairs. Our bearings, sourced from trusted manufacturers in Germany, Sweden, and Japan, adhere to strict quality standards that align with ISO 281 load rating principles, ensuring predictable performance and longer service intervals. The right bearing selection directly impacts your equipment’s reliability and operational efficiency.

Quality You Can Trust in Every Bearing

Our commitment to quality starts with ISO 9001-certified processes, from raw material inspection to finished product testing. Each bearing undergoes dimensional accuracy checks, hardness testing, and surface treatment evaluation to ensure compliance with specifications. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your applications. With access to a wide range of international and domestic brands, we can source the exact bearing model you need, whether it’s NSK, NTN, or another preferred brand.

Packaging & Shipping

  • Standard industrial packaging to ensure product protection during transit
  • Ready stock availability for prompt order fulfillment
  • Flexible shipping options including express courier, air freight, and sea transport
  • Low minimum order quantity to support both small-scale repairs and large production runs

Get Your Cylindrical Roller Bearings Quote Today

Whether you need NSK NU309EM, NU310EM, NU311EM, or other cylindrical roller bearings, we’re here to help. Provide your required model, dimensions, and quantity, and our team will quickly respond with pricing and delivery details. With our extensive inventory and global sourcing network, we can meet your bearing needs efficiently and reliably.

Frequently Asked Questions

Q: Do you supply bearings from other brands besides NSK and NTN?

A: Yes, we offer a comprehensive range of bearings from international brands including SKF, Koyo, NACHI, IKO, FAG, Timken, and domestic优质 brands, as well as custom specifications.

Q: How can I confirm if the 6902 bearing fits my equipment?

A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the 10*26*8mm specification.

Q: What warranty do you offer on these cylindrical roller bearings?

A: We provide a warranty against manufacturing defects; specific terms are outlined in each sales contract, ensuring coverage for material and workmanship issues.

Q: What is the minimum order quantity for these bearings?

A: We support low minimum order quantities to accommodate both small maintenance orders and large production requirements, with competitive pricing at all volume levels.

Q: How quickly can you ship the NSK NU series cylindrical roller bearings?

A: Most bearings are in stock and ship within 1-3 business days; shipping time depends on your location and chosen delivery method (courier, air, or sea).

Q: Can you provide custom (OEM/ODM) cylindrical roller bearings?

A: Yes, we support custom bearing manufacturing based on your technical drawings or specifications, including material selection and special surface treatments.

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.
contact@bearing-supply.com | +1-800-BEARING

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

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