Tapered Roller Bearing 30308 30309 30310 High Precision P0-P4 for Industrial Machinery
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Standard Tapered Roller Bearings

Tapered Roller Bearing 30308 30309 30310 High Precision P0-P4 for Industrial Machinery

Ensure smooth, high-precision rotation for your industrial machinery with our Tapered Roller Bearing series (30308, 30309, 30310). Engineered to deliver long service life and low noise (Z1V1-Z3V3 vibration grades), these bearings maintain stability even under heavy loads, reducing costly downtime and maintenance interruptions.

  • Precision grades from P0 to P4 meet strict industrial standards, ensuring compatibility with machine tools, reducers, and other high-performance equipment
  • High-grade chrome steel construction resists wear and heat, ideal for continuous operation in demanding work environments
  • Available in stock with flexible MOQ (1 piece for standard orders) and fast 3-5 day sample delivery, perfect for both urgent repairs and long-term production planning

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. 30308, 30309, 30310
Precision Rating P0, P6, P5, P4, P2
Vibration Z1V1, Z2V2, Z3V3
Feature Long Life, High Speed, Low Noise
Stock Rich Stocks
Transport by Sea or by Air
Service OEM, ODM
Transport Package Carton Pallet
Specification 40*90*23 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000
Package Size 11.00cm * 11.00cm * 4.30cm
Package Gross Weight 0.748kg

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Gearboxes, Reducers, Conveyors
Automotive Transmission Systems, Axles
Agricultural Machinery Tractors, Harvesters
Construction Excavators, Loaders

Minimize Downtime with High Precision Tapered Roller Bearings 30308 30309 30310

Equipment failures due to bearing issues can disrupt production schedules and increase maintenance costs. Many buyers struggle with inconsistent quality from unknown suppliers or face long lead times when ordering critical components. When your machinery relies on precise rotation, choosing the wrong bearing can lead to premature wear, excessive noise, and unplanned downtime.

Genuine Tapered Roller Bearings Ready for Immediate Shipment

Our Tapered Roller Bearing 30308, 30309, 30310 series solves these challenges with rich stock availability and strict quality control. As a professional bearing manufacturer with decades of experience, we ensure each bearing meets P0-P4 precision standards and Z1V1-Z3V3 vibration levels, making them ideal for high-speed industrial machinery. Whether you need standard parts for immediate replacement or custom solutions, our one-stop service covers your requirements from selection to delivery.

Engineered for Demanding Industrial Environments

Tapered roller bearings excel in applications with combined radial and axial loads, common in gearboxes, machine tool spindles, and automotive transmissions. The 30308, 30309, and 30310 models are designed to handle heavy loads while maintaining low noise operation, making them suitable for continuous-duty equipment in manufacturing plants, agricultural facilities, and construction sites. Their robust construction ensures reliable performance even under varying temperature and load conditions.

Technical Excellence That Drives Performance

Precision rating directly impacts machinery accuracy: P0 for general industrial use, P4 for high-precision applications like CNC machines, ensuring minimal runout and consistent operation. Vibration grades Z1V1 to Z3V3 control noise levels, critical for operator comfort and equipment longevity. The bearings’ long life feature stems from high-grade chrome steel and strict production processes, reducing replacement frequency and maintenance costs. With a specification of 40*90*23 mm, these bearings fit standard industrial shafts, simplifying installation and replacement.

Invest in Quality to Reduce Total Cost of Ownership

Choosing uncertified bearings may seem cost-effective initially, but frequent replacements and production downtime quickly erase savings. Our bearings meet ISO international standards and undergo comprehensive testing, including dimensional checks and performance trials, ensuring they deliver long service life. With a 12-month warranty, we stand behind our products, offering free replacement for qualified defects. This commitment to quality lowers your total cost of ownership by minimizing unexpected failures and maintenance expenses.

Why Global Buyers Choose Saifan Bearings

With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality and environmental standards. Our professional R&D team and experienced QC staff ensure each bearing meets precision requirements, from raw material inspection to finished product testing. We serve customers in Europe, North America, Southeast Asia, and the Middle East, offering flexible order policies—1 piece MOQ for standard bearings and sample orders without MOQ. Our efficient delivery ensures sample orders ship within 3-5 working days, with bulk orders ready in 5-15 days, supported by multiple secure payment methods including T/T, Credit Card, and Alibaba platform transactions.

Packaging & Shipping

  • Secure carton and pallet packaging to prevent damage during transit
  • Sample orders shipped within 3-5 working days, bulk orders within 5-15 working days
  • Flexible transport options: by sea or by air to meet your delivery timeline
  • Real-time logistics tracking provided for all shipments
  • 1 piece MOQ for standard bearings, ideal for emergency repairs or small-batch requirements

Get Your Tapered Roller Bearings Today

Don’t let bearing issues halt your production. Contact us with your bearing model, application details, and quantity to receive a prompt quote. With rich stocks and efficient delivery, we ensure you get the right bearings when you need them, minimizing downtime and keeping your machinery running smoothly.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

A: Yes, our bearings are manufactured in our own facility with strict quality control. Each product meets ISO standards and can be traced through our production records.

Q: How can I confirm if the 30308/30309/30310 bearing fits my equipment?

A: Provide your equipment model or shaft dimensions, and our technical team will verify compatibility based on the bearing’s 40*90*23 mm specification and load requirements.

Q: What is your warranty policy for these bearings?

A: We offer a 12-month warranty from the date of delivery. Qualified defective products are eligible for free replacement or refund.

Q: What is the minimum order quantity?

A: Standard bearings have a 1 piece MOQ, allowing for small-batch purchases or emergency repairs.

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. Shipping time depends on your location and chosen transport method.

Q: Do you offer OEM/ODM services for these bearings?

A: Yes, we support OEM and ODM customization, including adjustments to structure, size, housing, and packaging according to customer drawings and requirements.

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

Tags: 30308 Bearing 30309 Bearing 30310 Bearing High Precision Tapered Bearing Industrial Machinery Tapered Bearing Long Life Low Noise Tapered Bearing P0-P4 Precision Tapered Roller Bearing Tapered Roller 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
Cylindrical Roller Bearing N2326em NJ2326em High Precision P4 for Industrial Machinery

Roller Bearing

Cylindrical Roller Bearing N2326em NJ2326em High Precision P4 for Industrial Machinery

<p>Ensure smooth, high-precision rotation for your industrial machinery with our <strong>Cylindrical Roller Bearing N2326em NJ2326em High Precision P4</strong>. Engineered to deliver exceptional stability even under heavy radial loads, this bearing minimizes downtime and extends equipment lifespan, addressing the critical need for reliable performance in demanding manufacturing environments.</p><ul><li>Precision grade P4 ensures tight dimensional tolerance, reducing vibration (Z2-Z4 noise grade available) for smoother operation in machine tools and textile equipment</li><li>Separated structure design allows easy mounting and maintenance, a key advantage for industrial machinery manufacturers needing efficient assembly workflows</li><li>Constructed with high-grade bearing steel for long service life, backed by our 12-month warranty and professional technical support for confident integration</li></ul>

View Details
Tapered Roller Bearing NTN 32014 70x110x25mm P0-P2 Precision for Precision Instruments

Roller Bearing

Tapered Roller Bearing NTN 32014 70x110x25mm P0-P2 Precision for Precision Instruments

<p>Ensure smooth, precise rotation in your precision instruments with the <strong>Tapered Roller Bearing NTN 32014</strong>, engineered to deliver consistent performance even under demanding conditions. This 70x110x25mm bearing (P0-P2 precision grade) minimizes vibration and wear, extending the lifespan of your equipment while reducing maintenance downtime.</p><ul><li>Grease or oil lubrication flexibility adapts to your specific operational needs, ensuring optimal performance in diverse instrument environments</li><li>Z1V1-Z3V3 vibration grades guarantee quiet operation, critical for sensitive precision tools where noise interference is a concern</li><li>Backed by NTN’s legacy of reliability and our strict quality control processes, this bearing meets ISO standards for long-term stability you can trust</li></ul>

View Details
Cylindrical Roller Bearing NSK NJ426EM 130x340x78mm for Industrial Machinery

Roller Bearing

Cylindrical Roller Bearing NSK NJ426EM 130x340x78mm for Industrial Machinery

<p>Ensure smooth, high-precision rotation in your industrial machinery with the <strong>NSK NJ426EM Cylindrical Roller Bearing</strong>, designed to deliver reliable performance even under heavy radial loads. This 130x340x78mm radial roller bearing minimizes downtime with its separated inner and outer rings, allowing for easy maintenance and quick replacements—keeping your production line running without costly interruptions.</p><ul><li>Engineered with premium bearing steel for long service life, meeting P0-P4 precision standards to match the demands of machine tools, reducers, and industrial equipment</li><li>Open design with versatile lubrication options (oil, grease, dry) ensures adaptability to diverse operating conditions, backed by NSK’s reputation for quality and Saifan’s 12-month warranty for added peace of mind</li></ul>

View Details
Cylindrical Roller Bearing NU2217EM NUP2217EM for Industrial Machinery High Precision P0-P4

Roller Bearing

Cylindrical Roller Bearing NU2217EM NUP2217EM for Industrial Machinery High Precision P0-P4

<p>Ensure smooth, precise rotation for your industrial machinery with our <strong>Cylindrical Roller Bearing NU2217EM NUP2217EM</strong>, engineered to deliver P0-P4 precision and reliable performance in heavy-duty applications. Crafted from high-grade bearing steel with a separated inner ring design, this single-row radial bearing minimizes friction and maximizes load capacity, reducing downtime and extending equipment lifespan.</p><ul><li>Open seal design allows flexible lubrication (oil, grease, or dry) to adapt to your specific operating conditions</li><li>Meets strict ISO standards for dimensional accuracy, ensuring seamless integration with machine tools, reducers, and industrial equipment</li><li>Backed by our 12-month warranty and expert technical support, so you can focus on productivity without worrying about bearing performance</li></ul>

View Details