Angular Contact Ball Bearing
6309-6317 Koyo Deep Groove Ball Bearings High Quality
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

6309-6317 Koyo Deep Groove Ball Bearings High Quality

Experience smoother, quieter operation with Koyo Deep Groove Ball Bearings designed to keep your machinery running at peak performance for longer. Crafted from high-quality bearing steel, these 6309-6317 model bearings deliver the reliability you need to minimize downtime and maintain consistent workflow.

  • Precision-engineered with P0-P2 rating options to meet strict tolerance requirements for high-speed applications
  • Grease or oil lubrication flexibility ensures adaptability to your specific operating environment
  • Unseparated double-row design provides robust radial load support for heavy-duty use
  • Rich stock availability means you can get the bearings you need without unnecessary delays

Technical Specifications
Product Name
6309-6317 Koyo Deep Groove Ball Bearings High Quality
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 NSK 28bwd03A
Separated Unseparated
Rows Number Double
Load Direction Radial Bearing
Material Bearing Steel
Product Name Wheel Hub Bearing
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Stock Rich Stocks
Feature Long Life, High Speed, Low Noise
Service OEM ODM
Transport Package Carton Pallet
Specification 25*52*42 mm
Trademark BDL
Origin China
HS Code 8482109000

Application Suitability

Industry Typical Applications
Automotive Wheel hub assemblies

Struggling with Wheel Hub Bearing Reliability? Here’s What to Look For

Finding the right wheel hub bearing can be a challenge—especially when dealing with multiple brands and complex specifications. Many buyers face issues with early wear, noisy operation, or mismatched dimensions that lead to costly downtime. As a supplier with years of experience in bearing distribution, we understand how critical it is to source components that meet exact performance requirements.

Engineered for Durable Wheel Hub Performance

Our Koyo Deep Groove Ball Bearings address these common pain points with precision manufacturing and reliable performance. As a professional bearing supplier, we maintain ISO 9001 certified quality control processes, ensuring each unit meets strict dimensional and material standards. With rich stocks available, we can quickly fulfill orders for both standard and custom requirements, supporting automotive maintenance and manufacturing operations.

Optimal Performance in Automotive Wheel Applications

Designed specifically for wheel hub use, this bearing handles radial loads efficiently while maintaining high-speed capability. Its double-row construction provides enhanced stability, making it suitable for various vehicle types. The 25*52*42 mm dimensions ensure proper fit in compatible hub assemblies, while the unseparated design simplifies installation and reduces maintenance needs.

Key Engineering Features for Longevity

The bearing’s bearing steel material offers excellent hardness and wear resistance, critical for withstanding the constant stress of wheel rotation. Precision ratings from P0 to P2 allow selection based on application demands—higher precision grades for passenger vehicles requiring smooth operation, and standard grades for heavier-duty applications. Vibration classes Z1V1 to Z3V3 further ensure quiet performance, with higher classes minimizing noise and vibration transfer to the vehicle chassis. The option for grease or oil lubrication provides flexibility based on operating conditions, with proper lubrication directly impacting service life.

Why Quality Bearings Reduce Total Cost of Ownership

Choosing a high-quality wheel hub bearing like this model helps avoid hidden costs associated with frequent replacements. Inferior bearings often fail prematurely due to material inconsistencies or poor manufacturing, leading to vehicle downtime, repair labor expenses, and potential safety risks. Our bearings undergo rigorous testing, including material verification and dimensional checks, to ensure they meet performance expectations. By investing in reliable components, you reduce the likelihood of unexpected failures and lower long-term maintenance costs.

Quality You Can Rely On

Our commitment to quality starts with ISO 9001 certified production processes, ensuring consistent manufacturing standards. Each bearing undergoes原材料检验 and成品检测 for dimensions, hardness, and surface treatment. We provide a质保期 to cover manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands—including Koyo and other international and domestic options—we can source according to your specific requirements. Our rich stock levels mean fast delivery, minimizing wait times for critical replacements.

Packaging & Shipping

  • Packaged in carton pallets to ensure safe transportation
  • Available from rich stocks for prompt shipment
  • Transport options include sea, air, or快递 based on your needs
  • Low minimum order quantity supported, accommodating both small and large purchases

Get Your Koyo Deep Groove Ball Bearing Quote Today

Ready to secure reliable wheel hub bearings for your application? Provide us with the model, required quantity, and delivery location, and we’ll promptly send you a competitive quote. Whether you need standard Koyo bearings or custom specifications, our team is here to assist with your采购 needs. The sooner you confirm your order, the sooner we can arrange shipment.

Frequently Asked Questions

Q: Do you support procurement of other bearing brands and models?

A: Yes, we offer sourcing services for a comprehensive range of bearing brands and models, including international mainstream brands and domestic quality options, based on your specific requirements.

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

A: Provide your equipment’s required bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the specifications of this wheel hub bearing.

Q: What is your warranty policy for bearings?

A: We provide a质保期 covering manufacturing defects. Specific terms and duration are detailed in the purchase contract, and defective products within the warranty period can be replaced or returned.

Q: What is the minimum order quantity for this bearing?

A: We support low minimum order quantities, allowing for small-batch trial purchases as well as large-volume orders to meet your operational needs.

Q: What are the shipping timeframes and available logistics options?

A: This bearing is available from rich stocks for immediate shipment. We offer flexible logistics including快递, air freight, and sea freight, with delivery times varying by destination and chosen method.

Q: Do you provide OEM/ODM customization services?

A: Yes, we support OEM and ODM customization. Please provide your specific drawings, specifications, or performance requirements, and we can develop tailored bearing solutions.

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.
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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.

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

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.