Product Specifications
| Parameter |
Details |
| Model NO. |
6310 |
| Type |
Deep Groove Ball Bearing |
| Bore Diameter (d) |
50mm |
| Outside Diameter (D) |
110mm |
| Width (B) |
27mm |
| Material |
Bearing Steel |
| Seal Type |
Dustproof |
| Lubrication |
Grease or Oil |
| Trademark |
NTN |
| Origin |
Japan |
| HS Code |
8482300000 |
| Sample |
Available |
| Customizable |
Yes |
Application Industries
| Industry |
Typical Equipment |
| Construction |
Excavators, Gearboxes, Heavy Machinery |
| Automotive |
Car Transmissions, Fans |
| Industrial Manufacturing |
Mechanical Gear Systems |
Stop Equipment Downtime with Genuine NTN 6310 Deep Groove Ball Bearing
Construction equipment operators know the cost of unexpected gearbox failures—hours of halted work, expensive repairs, and missed deadlines. Counterfeit bearings often fail prematurely in dusty job site conditions, while sourcing genuine parts with flexible MOQs can be frustratingly slow. As a professional bearing supplier with years of export experience, we understand these pain points firsthand.
Genuine NTN 6310 Bearing for Reliable Gearbox Performance
The Dustproof NTN 6310 Deep Groove Ball Bearing 50x110x27mm addresses these challenges directly. As an authorized supplier, we guarantee 100% genuine NTN bearings, ensuring the dustproof design and high-grade bearing steel construction meet the rigorous demands of construction equipment gearboxes. With our 1 piece MOQ for standard bearings and 3-5 working days sample delivery, you can secure critical replacement parts without unnecessary delays.
Engineered for Construction Gearbox Environments
This NTN 6310 bearing thrives in the harsh conditions of construction equipment gearboxes, where dust, heavy loads, and continuous operation are the norm. The 50x110x27mm dimensions provide precise fitment, while the dustproof seal prevents particulate ingress that causes premature wear. Whether used in excavator transmissions or industrial gear systems, it delivers consistent performance under radial and axial loads, reducing unplanned maintenance intervals.
Technical Details That Ensure Long Service Life
The NTN 6310 deep groove ball bearing incorporates engineering features that directly impact operational reliability. Constructed from high-grade bearing steel, it offers excellent hardness and wear resistance—critical for withstanding the 27mm width’s load-carrying capacity. The dustproof design extends service life by maintaining lubrication integrity in dirty environments, while compatibility with both grease and oil lubrication allows adaptation to specific equipment requirements. As a deep groove design, it accommodates misalignment within operational limits, reducing stress on gearbox components during heavy use.
Why Genuine NTN Bearings Lower Total Cost of Ownership
Choosing genuine NTN 6310 bearings over counterfeit alternatives eliminates hidden costs that erode profitability. Counterfeit bearings often lack proper heat treatment, leading to early fatigue failure that can damage expensive gearbox housings—a repair costing 10-20 times the bearing price. Our genuine NTN bearings meet ISO industrial standards, ensuring consistent performance and predictable service life, which reduces overall maintenance costs. With a 12-month warranty from receipt date, we stand behind every bearing, offering free replacement for qualified defects to protect your investment.
Our Commitment to Reliable Bearing Supply
With over 15 years of bearing manufacturing and export experience, Saifan Bearings has built a reputation for reliability across Europe, North America, and Southeast Asia. Our strict quality control includes incoming raw material inspection and full-process production supervision, ensuring every NTN 6310 bearing meets specification before shipment. We hold ISO 9001:2015 and ISO 14001 certifications, and our professional technical team provides free guidance on selection, installation, and maintenance. For distributors and wholesalers, we offer free samples (freight borne by customer) to verify quality before bulk orders.
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 information provided post-shipment
- 1 piece MOQ for standard bearings, customized order quantities negotiable
Secure Your NTN 6310 Bearing Today
Don’t let gearbox downtime impact your project timeline. Whether you need a single NTN 6310 bearing for emergency repair or bulk quantities for inventory, we ensure fast delivery and authentic quality. Send your order details, and our team will respond within 24 hours to confirm availability and pricing.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an authorized supplier of genuine NTN bearings, with full supply chain traceability and documentation available upon request.
Q: How can I confirm this bearing fits my construction equipment gearbox?
A: Provide your equipment model or gearbox specifications, and our technical team will verify compatibility with the NTN 6310 50x110x27mm bearing.
Q: What is the warranty policy?
A: All NTN bearings come with a 12-month warranty from the date of receipt, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders typically deliver in 5-15 working days depending on quantity.
Q: How do I verify the bearing’s authenticity?
A: Genuine NTN bearings include original packaging with holographic labels, laser-etched branding, and serial numbers verifiable through NTN’s official channels. We provide complete traceability documentation with each order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
