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
Self-Aligning Roller Bearing 23140CDKE4 23144CDKE4 P0-P4 Precision for Industrial Machinery

Famous Brand Bearing

Self-Aligning Roller Bearing 23140CDKE4 23144CDKE4 P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation in your industrial machinery with our high-performance <strong>Self-Aligning Roller Bearing 23140CDKE4 23144CDKE4</strong>. Engineered to minimize downtime and maximize productivity, this double row roller bearing adapts to misalignment effortlessly, reducing stress on equipment and extending operational life.</p><ul><li>P0-P4 precision grades deliver consistent performance, while C0/C3/C4 clearance options allow customization for specific load and speed requirements</li><li>Constructed with premium bearing steel, it withstands heavy radial loads and harsh industrial conditions, ensuring reliable operation even in demanding setups</li><li>Seamless integration with machinery like reducers and printing equipment, backed by our ISO-certified manufacturing and 12-month warranty for peace of mind</li></ul>

View Details
22340CC/W33 Spherical Roller Bearing for Heavy Machinery Industrial Applications

Famous Brand Bearing

22340CC/W33 Spherical Roller Bearing for Heavy Machinery Industrial Applications

<p>Ensure smooth, reliable rotation in your heavy machinery with the <strong>22340CC/W33 spherical roller bearing</strong>—engineered to handle extreme loads and reduce downtime in industrial applications. This 138mm width bearing delivers exceptional durability, thanks to high-grade chrome steel construction and precision manufacturing that meets ISO standards, addressing the critical need for stable performance in demanding work environments.</p><ul><li>Designed for heavy-duty equipment like excavators and industrial machinery, with Z3 noise grade for quiet operation</li><li>12-month warranty and free technical support from Saifan Bearings, ensuring long-term value and peace of mind</li><li>Flexible order options available, including sample requests, to match your production timeline and requirements</li></ul>

View Details
Double Row Angular Contact Ball Bearing 3311-a-C3 High Load for Heavy Machinery C3 Clearance

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3311-a-C3 High Load for Heavy Machinery C3 Clearance

<p>Keep your heavy machinery running smoothly under intense loads with the <strong>Double Row Angular Contact Ball Bearing 3311-a-C3</strong> — designed to deliver reliable performance where standard bearings fail. This high-load solution features C3 clearance, ideal for handling thermal expansion in continuous operation, while its double-row angular contact design ensures superior radial and axial load capacity to minimize downtime.</p><ul><li>Precision-engineered from high-grade bearing steel with P0-P4 precision ratings, ensuring consistent rotation even in harsh industrial environments</li><li>Available with steel, copper, or nylon cages to match your specific application needs, from high-speed machinery to heavy-duty equipment</li><li>Backed by our 12-month warranty and expert technical support, so you can focus on productivity without worrying about component failure</li></ul>

View Details
Tapered Roller Bearing 32217 85x150x36mm P0-P4 Precision for Industrial Machinery

Famous Brand Bearing

Tapered Roller Bearing 32217 85x150x36mm P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation in your industrial machinery with the <strong>Tapered Roller Bearing 32217</strong>, engineered to deliver reliable performance under heavy loads. This 85x150x36mm bearing maintains stable operation across P0-P4 precision grades, minimizing downtime and extending equipment lifespan in demanding applications like machine tools and reducers.</p><ul><li>Single-row open design optimized for efficient load distribution, critical for high-torque industrial environments</li><li>Compatible with oil, grease, or dry lubrication setups, offering flexibility to match your maintenance protocols</li><li>Backed by ISO-certified manufacturing and a 12-month warranty, ensuring consistent quality you can trust for long-term operations</li></ul>

View Details