Japan NTN 30302 30303 30304 Tapered Roller Bearing P0-P4 Precision for Industrial Machinery
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing NTN Bearings NTN Bearings

Japan NTN 30302 30303 30304 Tapered Roller Bearing P0-P4 Precision for Industrial Machinery

Ensure smooth, high-precision industrial machinery operation with the Japan NTN tapered roller bearing series (30302, 30303, 30304), designed to deliver reliable rotation and extended service life. Perfect for industrial machinery requiring consistent performance, these bearings minimize downtime and enhance equipment efficiency.

  • P0-P4 precision grades and Z1V1-Z3V3 vibration control ensure optimal load handling and quiet operation
  • Grease or oil lubrication flexibility adapts to diverse working conditions, from heavy-duty to high-speed applications
  • 15*42*13 mm specification (30302 model) fits standard industrial setups, with OEM/ODM support for custom requirements
  • Backed by Saifan Bearings' strict quality control and 12-month warranty, ensuring peace of mind for your machinery needs

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Product Specifications

Parameter Details
Model NO. 30302
Lubrication Grease or Oil
Precision Rating P0, P6, P5, P4, P2
Vibration Z1V1, Z2V2, Z3V3
Specification 15*42*13 mm
Trademark NTN
Origin Japan
HS Code 8482200000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine tools, Gearboxes, Conveyors, Pumps
Automotive Manufacturing Transmission systems, Axles, Steering components
Agricultural Machinery Tractors, Harvesters, Tillage equipment
Construction Excavators, Loaders, Crane mechanisms

Prevent Costly Downtime with Genuine Japan NTN 30302 Tapered Roller Bearings

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. Counterfeit bearings often fail prematurely under heavy loads, leading to production halts and expensive repairs. Sourcing genuine high-precision bearings like the Japan NTN 30302 series can eliminate these risks, ensuring consistent performance in critical applications.

Genuine NTN Tapered Roller Bearings for Reliable Industrial Performance

Our Japan NTN 30302 tapered roller bearings deliver the precision and durability required for industrial machinery. As an experienced bearing supplier with ISO 9001:2015 certification, we provide genuine NTN products with P0-P4 precision grades, suitable for applications demanding accurate rotation and load handling. Whether for gearboxes, machine tool spindles, or conveyor systems, these bearings ensure smooth operation even under radial and axial loads.

Optimal Performance in Heavy-Duty Industrial Conditions

Japan NTN 30302 tapered roller bearings excel in industrial environments with their robust design. The 15*42*13 mm dimensions make them ideal for compact machinery where space is limited but performance cannot be compromised. These bearings handle combined radial and thrust loads efficiently, making them a reliable choice for agricultural equipment, construction machinery, and automotive manufacturing lines where consistent operation under varying conditions is essential.

Technical Features That Ensure Long Service Life

The precision rating of P0-P4 in these NTN bearings directly impacts machine accuracy—higher grades like P4 minimize vibration and runout, critical for high-speed applications. The Z1V1-Z3V3 vibration classes further reduce noise and ensure stable operation, extending equipment lifespan. With lubrication options of grease or oil, these bearings adapt to different operating speeds and temperature ranges, providing flexibility across diverse industrial settings. The tapered roller design distributes loads evenly, enhancing durability and reducing maintenance needs.

Why Genuine Bearings Lower Total Ownership Costs

Choosing genuine Japan NTN tapered roller bearings over counterfeit alternatives reduces long-term costs significantly. Authentic bearings meet ISO, ABMA, and DIN international standards, ensuring compatibility and performance. Counterfeit products often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to connected components. With our 12-month warranty on all genuine NTN products, you gain peace of mind knowing that manufacturing defects will be addressed promptly, minimizing operational disruptions.

Your Trusted Source for NTN Bearings Since 2005

With over 18 years of industry experience, Jinan Saifan Bearing Co., Ltd has established a reputation as a reliable supplier of genuine bearings. We serve clients across Europe, North America, Southeast Asia, and the Middle East, ensuring global reach with localized service. Our strict quality control includes incoming raw material inspections and full-process production supervision, even for branded products like NTN. We offer flexible order policies, including 1 piece MOQ for standard bearings, and efficient delivery—3-5 working days for samples and 5-15 days for bulk orders. Our professional technical team provides free guidance on selection, installation, and maintenance, supporting your operations beyond the point of purchase.

Packaging & Shipping

  • Original NTN packaging with carton and pallet reinforcement
  • Sample orders shipped within 3-5 working days
  • Bulk orders delivered in 5-15 working days
  • Multiple logistics options: DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments
  • 1 piece MOQ available for emergency maintenance needs

Secure Your Machinery’s Performance Today

Don’t let bearing failure disrupt your production schedule. The Japan NTN 30302 tapered roller bearing offers the precision and reliability your industrial machinery demands. Contact us with your specific requirements, and our team will ensure you receive the correct bearings promptly—minimizing downtime and maximizing productivity.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an authorized supplier of genuine NTN products, with full supply chain traceability and documentation available upon request.

Q: How do I confirm if the 30302 bearing fits my equipment?

A: Provide your equipment model or technical specifications, and our technical team will verify compatibility and recommend the appropriate precision grade.

Q: What is the warranty period for these NTN bearings?

A: All genuine NTN bearings come with a 12-month warranty from the date of receipt, covering manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders for as little as 1 piece, ideal for emergency repairs or small-scale applications.

Q: How quickly can I receive my order?

A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity.

Q: How can I verify the authenticity of the bearings?

A: Authentic NTN bearings feature laser-etched markings, original packaging with security labels, and serial numbers verifiable through NTN’s official channels.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: 30302 bearing 30303 bearing 30304 bearing High Precision Tapered Roller Bearing Industrial Machinery Tapered Roller Bearing Japan NTN 30302 bearing for machinery Japan NTN tapered roller bearing P0-P4 precision industrial bearing
Fast Response · Within 24 Hours

Request a Quote for
This Product

Tell us your requirements -- quantity, specifications, or customization needs. Our team will respond with a competitive quote within 24 hours.

01

Submit Inquiry

Fill in your product requirements and contact details.

02

Confirm Parameters

Our team confirms specs, quantity, and arranges samples.

03

Receive Quotation

Get a detailed PI with competitive pricing and trade terms.

04

Place Order

Complete payment and we arrange production & delivery.

Product Inquiry Form

By submitting, you agree to be contacted by our sales team. We respect your privacy.

Related Products

More products from the same category

View All
Double Row Angular Contact Ball Bearing 3305 A/C3 for High Load Pump Blower Applications

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3305 A/C3 for High Load Pump Blower Applications

<p>Keep your pump or blower running smoothly under heavy loads with the <strong>Double Row Angular Contact Ball Bearing 3305 A/C3</strong>, engineered to minimize downtime and maximize operational efficiency. This high-performance bearing handles both radial and axial forces with precision, thanks to its double row design and C3 clearance—ideal for equipment where temperature fluctuations and heavy-duty cycles are common.</p><ul><li>Constructed from premium bearing steel with options for steel, copper, or nylon cages to suit specific application demands</li><li>Available in P0-P4 precision grades to ensure consistent rotation and reduced vibration in critical machinery</li><li>Backed by Saifan's strict quality control and 12-month warranty, delivering reliable performance you can trust for industrial and commercial systems</li></ul>

View Details
Premium Tapered Roller Bearings Timken 32210 33210 30310 P0-P4 Precision Grade 50x90x23mm

Famous Brand Bearing

Premium Tapered Roller Bearings Timken 32210 33210 30310 P0-P4 Precision Grade 50x90x23mm

<p>Ensure smooth, precise rotation in your machinery with our <strong>Premium Tapered Roller Bearings</strong>—engineered to deliver consistent performance even under heavy loads. These Timken 32210, 33210, and 30310 bearings (50x90x23mm) combine P0-P4 precision grades with Z1V1-Z3V3 vibration control, minimizing downtime and extending equipment life.</p><ul><li>Grease or oil lubrication flexibility adapts to diverse operating conditions, from industrial machinery to automotive applications</li><li>ISO-certified quality ensures compatibility with high-precision systems, reducing the risk of premature wear</li><li>1-piece MOQ and 3-5 day sample delivery make it easy to test before full-scale deployment</li></ul>

View Details
Double Row Angular Contact Ball Bearing 3202-TN9 Open Design for High Precision Machine Tools

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3202-TN9 Open Design for High Precision Machine Tools

<p>Boost your high precision machine tools' performance with the <strong>Double Row Angular Contact Ball Bearing 3202-TN9</strong>, engineered to deliver stable rotation and extended service life even under heavy loads. This open design bearing minimizes friction and heat buildup, ensuring consistent accuracy for critical machining operations—perfect for manufacturers seeking reliable components that reduce downtime.</p> <ul> <li>Precision grade options from P0 to P4 meet strict industrial standards, with Z2-Z4 noise control for quiet operation in sensitive environments</li> <li>Double row structure enhances radial and axial load capacity, while separable design simplifies maintenance and replacement</li> <li>Constructed with high-grade bearing steel and available with steel, copper, or nylon cages to match your specific application needs</li> </ul> <p>Backed by Saifan's ISO 9001:2015 quality certification and 12-month warranty, this bearing ensures peace of mind for industrial machinery manufacturers prioritizing long-term equipment reliability.</p>

View Details
Double Row Angular Contact Ball Bearing 3205A-2Z High Temp for Industrial Machinery

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3205A-2Z High Temp for Industrial Machinery

<p>Keep your industrial machinery running smoothly even in high-temperature environments with the reliable <strong>Double Row Angular Contact Ball Bearing 3205A-2Z</strong>. This high temp bearing delivers consistent performance under heat stress, minimizing downtime and ensuring your equipment operates at peak efficiency when you need it most.</p><ul><li>Engineered with precision grades from P0 to P4 and Z2-Z4 noise control, it reduces vibration and extends component lifespan for long-term reliability.</li><li>Features a durable steel cage and high-grade bearing steel construction, optimized to handle both radial and axial loads in demanding industrial applications.</li><li>Designed for easy integration into existing setups, with flexible customization options to match your specific machinery requirements—no more settling for one-size-fits-all solutions.</li></ul>

View Details