Product Specifications
| Parameter |
Details |
| Model NO. |
32304, 32305, 32306, 32307, 32308 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Service |
OEM, ODM |
| Stock |
Rich Stocks |
| Feature |
Long Life, High Speed, Low Noise |
| Transport Package |
Carton Pallet |
| Specification |
20*152*21 mm |
| Trademark |
NTN |
| Origin |
Japan |
| HS Code |
8482200000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Automotive |
Transmissions, Axles, Wheel Hubs |
| Agricultural Machinery |
Harvesters, Tractors, Tillers |
| Construction |
Excavators, Loaders, Conveyors |
| Manufacturing |
Gearboxes, Electric Motors, Pumps |
Prevent Downtime with NTN Tapered Roller Bearing 32304-32308 for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—hours of lost production, missed deadlines, and expensive repairs. When bearings fail prematurely due to poor quality or incorrect specifications, the impact ripples through entire operations. Sourcing reliable, high-precision bearings that meet exacting standards can be a challenge, especially when balancing lead times and minimum order requirements.
Genuine NTN Tapered Roller Bearings, In Stock and Ready to Ship
Our NTN Tapered Roller Bearing 32304-32308 series delivers the performance and reliability industrial machinery demands. As an integrated manufacturer and exporter with ISO9001 and ISO14001 certifications, we ensure every bearing meets P0-P4 precision standards and Z2-Z4 noise grades. With rich stocks available, we support flexible orders—including 1pc MOQ for standard items—so you can get the exact bearings you need without unnecessary delays. Whether for machine tool spindles, printing press gearboxes, or reducer assemblies, these bearings provide the stability and durability required for continuous operation.
Engineered for Heavy Loads and High-Speed Applications
Tapered roller bearings are designed to handle both radial and axial loads, making them ideal for industrial machinery operating under complex stress conditions. The 32304-32308 series excels in high-speed rotation scenarios, where low noise and vibration (Z1V1-Z3V3) are critical to maintaining precision and reducing wear. In applications like CNC machine tool spindles or heavy-duty conveyors, these bearings distribute load evenly across rolling elements, minimizing friction and extending service life—key factors in maximizing equipment uptime.
Technical Details That Ensure Optimal Performance
Precision rating directly impacts machinery accuracy: P0 for general industrial use, P4 for high-precision applications like precision grinders, where minimal runout is essential. The vibration grades (Z1V1-Z3V3) control operational noise and stability—Z3V3 bearings are recommended for noise-sensitive environments such as packaging machinery. With a specification of 20*152*21 mm, this series fits standard industrial shafts, ensuring compatibility with common equipment designs. The long-life feature, achieved through advanced material selection and manufacturing processes, reduces maintenance frequency and replacement costs over time.
Why Authenticity Matters for Your Bottom Line
Counterfeit bearings may offer lower upfront costs, but they often fail prematurely, leading to unplanned downtime and expensive repairs. A single bearing failure in a critical machine can cost thousands in lost production. Our NTN tapered roller bearings are sourced directly from Japan, with full traceability to ensure authenticity. By investing in genuine bearings, you avoid hidden costs associated with poor performance—such as increased energy consumption from excessive friction or damage to mating components from imprecise dimensions. We stand behind every product with a 12-month global warranty, providing defect replacement or refund for manufacturing issues.
Your Trusted Bearing Partner Since 2005
With over 18 years of experience serving global buyers across Europe, America, Southeast Asia, and the Middle East, we’ve built a reputation for reliability. Our in-house R&D and QC lab ensure strict quality control at every stage, from raw material inspection to final product testing. We offer free technical guidance to help you select the right bearing for your application, and our after-sales team provides prompt support for any issues. Whether you need OEM/ODM customization or standard NSK/INA bearings, we deliver consistent supply with competitive pricing. Our 3–5 day sample lead time and 5–15 day bulk delivery ensure you get the bearings you need when you need them.
Packaging & Shipping
- Carton pallet packaging for secure transportation and storage
- 3–5 day sample lead time for testing and validation
- 5–15 day bulk delivery for standard items, with flexible logistics options (air, sea, courier)
- Real-time tracking provided for all shipments
- 1pc MOQ for standard items, supporting emergency repairs and small-batch requirements
Get Your NTN Tapered Roller Bearings Today
Don’t let bearing issues slow down your production. Whether you need a single 32304 bearing for an emergency repair or bulk 32308 units for a new project, we have the inventory and expertise to meet your needs. Send us your bearing designation, application details, and quantity, and our team will provide a quote within 24 hours. The sooner you order, the sooner you can get back to smooth, reliable operation.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we supply authentic NTN bearings sourced directly from Japan, with full traceability to ensure originality.
Q: How do I confirm the right bearing model for my machine?
A: Provide your equipment model or technical parameters (load, speed, mounting dimensions), and our technical team will help verify the correct bearing specification.
Q: What is the warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualifying issues.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, making it easy to source bearings for emergency repairs or small-scale projects.
Q: How long does shipping take?
A: Samples ship in 3–5 days, and bulk orders deliver in 5–15 days. We offer flexible logistics via DHL, FedEx, UPS, air, or sea freight.
Q: How can I verify the authenticity of the bearings?
A: Authentic NTN bearings feature laser-etched markings, original packaging with serial numbers, and we can
Tags:
32304 Bearing
32305-32308 Bearing
High Precision Tapered Roller Bearing for Machinery
Industrial Machinery Bearing
NTN 32304 Tapered Roller Bearing
NTN Tapered Roller Bearing
P0-P4 Precision Bearing
Tapered Roller Bearing