Product Specifications
| Parameter |
Details |
| Model NO. |
30304 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
20*52*15 mm |
| Trademark |
KOYO |
| Origin |
Japan |
| HS Code |
8482200000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Printing Machines |
| Automotive |
Transmission Systems, Axles |
| Agricultural Machinery |
Tractors, Harvesters |
| Construction |
Excavators, Loaders |
Stop Equipment Downtime with Precision Tapered Roller Bearings 30204-30208 32008X 32010X
Industrial machinery operators know the cost of unexpected downtime—hours lost to bearing failures, maintenance crews scrambling to source replacements, and production targets missed. Many face the frustration of inconsistent quality from unknown suppliers or rigid minimum order quantities that delay critical repairs. When your equipment relies on tapered roller bearings, choosing the wrong supplier can mean compromised precision, premature wear, and repeated disruptions to your operation.
Precision Tapered Roller Bearings for Reliable Machinery Performance
Our Tapered Roller Bearings 30204-30208, 32008X, and 32010X series deliver P0-P4 precision and Z2-Z3-Z4 noise grades to keep your industrial machinery running smoothly. With decades of manufacturing and export experience, we understand the demands of industrial applications—from machine tool spindles to heavy-duty gearboxes. We support flexible orders with 1 piece MOQ for standard bearings and sample orders without MOQ, ensuring you get the exact quantity you need when you need it.
Engineered for Heavy Loads and Precision Rotation
Tapered roller bearings excel in applications with combined radial and axial loads, making them ideal for industrial machinery operating under high stress. The 30204-30208 and 32008X-32010X series are designed to handle heavy loads while maintaining precision rotation, critical for equipment like reducers and printing machines where alignment and stability directly impact output quality. Our bearings use high-grade chrome steel and premium raw materials, ensuring stable performance even in continuous operation.
Technical Details That Ensure Long Service Life
Precision rating directly affects machinery performance—P0 for general industrial use, P4 for high-precision applications like CNC machine spindles, where minimal runout and vibration are essential. Vibration grades Z2-Z3-Z4 control noise and vibration levels, critical for reducing operator fatigue and extending equipment lifespan. The 20*52*15 mm specification (30304 model) balances load capacity and compact design, fitting seamlessly into standard industrial equipment housings. Our bearings undergo strict dimensional detection and performance testing in-house, ensuring each unit meets ISO, ABMA, and DIN international standards.
Why Genuine Bearings Reduce Total Cost of Ownership
Counterfeit bearings may offer lower upfront costs, but they often fail prematurely, leading to unplanned downtime, increased maintenance expenses, and potential damage to adjacent components. A single bearing failure in a production line can cost thousands in lost productivity. Our genuine tapered roller bearings, backed by ISO 9001:2015 and ISO 14001 certifications, provide consistent performance and reliability, reducing long-term costs through extended service life and fewer replacements. We stand behind our products with a 12-month warranty, ensuring you have support when you need it.
Your Trusted Partner for Industrial Bearings
As a professional bearing manufacturer and supplier since 2005, we serve customers across Europe, North America, Southeast Asia, and the Middle East. Our in-house laboratory conducts comprehensive testing, including service life experiments, to guarantee quality. We offer one-stop service from independent R&D to global sales, supporting OEM & ODM customization to adjust structure, size, and packaging per your drawings. Our professional technical team provides free guidance on selection, installation, and maintenance, helping you optimize bearing performance and inventory. With efficient delivery (3-5 days for samples, 5-15 days for bulk orders), we ensure you minimize downtime and keep your operations running.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available to meet your timeline
- 1 piece MOQ for standard bearings, supporting emergency repairs
Get Your Tapered Roller Bearings Today
Don’t let bearing issues slow down your production. Whether you need standard sizes like 30204, 30208, 32008X, or 32010X, or custom solutions, we’re ready to fulfill your order. Send us your bearing model, application details, and quantity, and our team will respond within 24 hours with a quote. The sooner you secure reliable bearings, the sooner you can get back to full productivity.
Frequently Asked Questions
Q: Are these genuine tapered roller bearings?
A: Yes, we supply genuine brand bearings, including KOYO, and our own self-developed bearings. All products are traceable and meet international standards.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model or specific requirements (load, speed, precision), and our technical team will help you select the correct bearing.
Q: What is your warranty policy?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products can be replaced or refunded.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ. Sample orders have no MOQ, and customized order quantities are negotiable.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days. We offer flexible logistics options to meet your needs.
Q: How can I verify the authenticity of the bearings?
A: Genuine bearings come with original packaging and meet strict quality standards. We provide test reports and certification documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.