Product Specifications
| Parameter |
Details |
| Model NO. |
6308ZZ |
| Seals Type |
Zz, 2RS, Open |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Service |
OEM, ODM |
| Aligning |
Non-Aligning Bearing |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Contact Angle |
0° |
| Transport Package |
Carton, Pallet |
| Specification |
40×90×23 mm |
| Trademark |
NTN |
| Origin |
Japan |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Gearboxes |
| Manufacturing |
CNC Machines, Electric Motors, Conveyors |
| Automotive |
Transmission Systems, Pumps, Compressors |
| Agriculture |
Tractor Components, Harvester Drivetrains |
| New Energy |
Wind Turbine Accessories, Solar Equipment |
Minimize Downtime with High Precision NTN 6308ZZ Deep Groove Ball Bearing
Equipment failures from substandard bearings cost manufacturers thousands in lost production each year. Many buyers struggle with long lead times for critical replacements or uncertainty about part authenticity. When your machinery relies on precise rotation, choosing the wrong bearing can lead to premature wear, increased noise, and unexpected shutdowns.
Genuine NTN 6308ZZ Bearings, Ready for Immediate Shipment
Our High Precision NTN 6308ZZ Deep Groove Ball Bearing eliminates these frustrations. As an integrated manufacturer and exporter with ISO9001 certification, we ensure every unit meets NTN’s strict quality standards. With 1pc MOQ for standard items and 3–5 day sample lead time, we support both emergency repairs and planned maintenance. This 40x90x23mm bearing delivers reliable performance in industrial machinery, from machine tool spindles to conveyor systems.
Engineered for Demanding Industrial Environments
The NTN 6308ZZ thrives in high-speed, radial load applications common in manufacturing and automation. Its single-row design and 0° contact angle optimize radial load handling, while ZZ seals provide effective protection against dust and debris. Whether operating in temperature-controlled workshops or dusty factory floors, this bearing maintains consistent performance, reducing unplanned downtime and maintenance costs.
Key Technical Features That Matter
Precision rating options (P0-P4) allow customization for specific accuracy needs—P4 grade suits high-speed spindles requiring minimal runout, while P0 offers cost-effective reliability for general machinery. Vibration grades Z1V1 to Z3V3 address noise sensitivity; Z3V3 is ideal for precision equipment where quiet operation is critical. The bearing steel construction ensures durability, with dynamic load capacities supporting continuous operation under demanding conditions. Unseparated design simplifies installation and reduces assembly errors in production lines.
Why Authenticity Translates to Lower Total Cost
Counterfeit bearings may offer lower upfront prices, but they often fail prematurely—costing more in replacement parts, labor, and production losses. Our NTN 6308ZZ bearings come with full traceability, ensuring you receive components engineered to original specifications. With a 12-month global warranty, we stand behind every unit, providing defect replacement or refund if issues arise. Choosing genuine parts reduces long-term costs by extending equipment life and minimizing downtime.
Your Reliable Bearing Partner Since 2005
With over 18 years serving global buyers across Europe, America, and Southeast Asia, we combine manufacturing expertise with responsive service. Our QC lab rigorously tests every batch, and ISO14001 certification reflects our commitment to quality and sustainability. We offer free technical guidance to help you select the right bearing for your application, and our flexible payment options (T/T, credit card, Alibaba trade) simplify transactions. Whether you need 1 piece for emergency repair or bulk orders for production, we ensure stable supply with 5–15 day bulk delivery times.
Packaging & Shipping
- Original NTN packaging with brand authentication labels, secured in cartons and palletized for safe transport
- Sample lead time: 3–5 business days for standard specifications
- Bulk delivery: 5–15 days from order confirmation
- Global shipping via DHL, FedEx, UPS, or sea freight—we select the most cost-effective option based on your location
- 1pc minimum order quantity, supporting both maintenance and small-batch production needs
Secure Your NTN 6308ZZ Bearing Today
Don’t let equipment downtime impact your bottom line. The High Precision NTN 6308ZZ Deep Groove Ball Bearing is in stock and ready to ship. Send us your order details, and we’ll confirm availability within hours—so you can get back to production faster.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we supply authentic NTN bearings with full traceability. Each unit comes in original packaging with verification labels to ensure authenticity.
Q: How do I confirm if the 6308ZZ fits my machinery?
A: Provide your equipment model or shaft dimensions (40mm bore, 90mm outer diameter, 23mm width), and our technical team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal use, we provide free replacement or a full refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacements or test samples before bulk purchases.
Q: How quickly can you ship?
A: Standard items are in stock with 3–5 day sample lead time and 5–15 day bulk delivery. We prioritize urgent orders to minimize your downtime.
Q: How can I verify the bearing’s authenticity?
A: Check the NTN trademark on the inner ring, scan the packaging’s QR code for factory verification, and request a certificate of authenticity with your order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
