Description
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 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction | Excavators, Loaders, Bulldozers, Gearboxes |
| Automotive | Transmissions, Fans, Motors |
| General Machinery | Industrial Gearboxes, Pumps, Conveyors |
Stop Construction Delays with Reliable NTN 6310 Deep Groove Ball Bearings
Construction equipment gearboxes face relentless dust, vibration, and heavy loads—yet many operations still rely on uncertain bearing sources. Counterfeit bearings often fail prematurely, causing unexpected downtime that costs $2,000–$5,000 per hour in lost productivity. Multi-tier distribution channels stretch delivery times by 30–50%, leaving maintenance teams waiting while machines sit idle.
Genuine NTN 6310 Bearings: In Stock and Ready for Your Gearbox
As an official NTN distributor, we offer the dustproof NTN 6310 deep groove ball bearing (50x110x27mm) with full traceability and immediate availability. This bearing combines Japanese precision with a dustproof seal design, making it ideal for construction equipment gearboxes where contamination control is critical. Our WMS system tracks real-time inventory, ensuring we can fulfill orders for both emergency repairs and bulk production needs without delay.
Engineered for Construction Gearbox Challenges
The NTN 6310 bearing thrives in the harsh conditions of construction machinery. Its deep groove design accommodates radial and axial loads simultaneously, while the dustproof seal prevents abrasive particles from entering—extending service life by up to 40% compared to standard bearings in dusty environments. Whether powering an excavator’s swing gearbox or a loader’s transmission, this bearing maintains consistent performance under high torque and variable speed operations.
Technical Details That Maximize Gearbox Performance
The 50x110x27mm dimensions of the NTN 6310 bearing ensure precise fit in standard construction gearboxes, eliminating the need for custom modifications. Crafted from high-grade bearing steel, it delivers exceptional hardness and wear resistance—critical for withstanding the shock loads common in off-road applications. The grease or oil lubrication flexibility allows adaptation to specific operating temperatures, while the bearing’s structural integrity ensures reliable power transmission even in continuous-duty cycles.
Why Genuine NTN Bearings Reduce Total Cost of Ownership
Choosing authentic NTN 6310 bearings over gray-market alternatives lowers long-term costs. Counterfeit bearings typically fail within 3–6 months, requiring repeat replacements and unplanned maintenance. In contrast, genuine NTN bearings offer predictable service life, reducing downtime and labor expenses. Our ISO 9001 compliant three-level inspection ensures each bearing meets OEM standards, eliminating the risk of premature failure that could damage expensive gearbox components.
Your Trusted Partner for Construction Bearings
With 10+ years serving the construction industry across 50+ countries, we bring proven expertise to every order. As an official NTN distributor, each bearing comes with complete traceability documentation, including batch codes and origin certificates. Our technical team provides free model selection support, ensuring you get the right bearing for your gearbox specifications. We maintain dedicated inventory for high-demand models like the 6310, offering global door-to-door logistics with real-time tracking.
Packaging & Shipping
- Original NTN packaging with individual box protection and anti-counterfeit labels
- Outer carton and pallet加固 for secure transportation
- Package size: 7.00cm * 13.00cm * 5.00cm
- Package gross weight: 1.100kg
- 3–7 business days delivery for in-stock orders
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- 1 piece minimum order quantity supported
Get Your NTN 6310 Bearing Today
Don’t let bearing issues halt your construction projects. Send us your gearbox model, required quantity, and delivery location—our team will provide a formal quotation with traceability certificates within 24 hours. With our stock availability, you can minimize downtime and keep your equipment operating at peak efficiency.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official NTN authorized distributor. Every NTN 6310 bearing comes with complete traceability documentation and brand authorization certificates.
Q: How do I confirm if this bearing fits my gearbox?
A: Provide your equipment model or gearbox specifications, and our technical team will verify compatibility with the 50x110x27mm NTN 6310 bearing at no cost.
Q: What is your warranty policy?
A: All bearings come with NTN’s original manufacturer warranty. We offer unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency repairs and bulk purchases.
Q: How long does shipping take?
A: In-stock NTN 6310 bearings are delivered within 3–7 business days via your preferred logistics method (DHL, FedEx, UPS, air, or sea freight).
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes NTN’s original packaging with anti-counterfeit labels. We also provide full traceability documents and can assist with verification through NTN’s official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







