Product Specifications
| Parameter |
Details |
| Model NO. |
3309-Bd-XL-2hrs-Tvh |
| Type |
Double Row Angular Contact Ball Bearing |
| Separated |
Separated |
| Rows Number |
Double |
| Material |
Bearing Steel |
| Standard |
DIN 628-3, ISO 15:2017 |
| Series |
33 Series (33bd) |
| Cage |
Polyamide (Tvh), Sheet Steel, Brass (MP) Cage |
| Seal Type |
2hrs |
| Precision |
P0 / P6 / P5 |
| Transport Package |
Carton Pallet |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Energy Mining |
Energy Mining Gearboxes |
Minimize Downtime in Mining Gearboxes with 3309-Bd-XL-2hrs-Tvh Double Row Angular Contact Ball Bearing
Mining operations face costly disruptions when gearbox bearings fail prematurely. The harsh conditions of energy mining—constant heavy loads, variable speeds, and contamination—demand bearings that can withstand extreme stress without compromising performance. Sourcing reliable replacements with the right specifications often leads to long lead times and minimum order quantities that strain maintenance budgets.
Engineered for Reliable Performance in Energy Mining Gearboxes
The 3309-Bd-XL-2hrs-Tvh Double Row Angular Contact Ball Bearing addresses these challenges with precision engineering tailored for mining gearbox applications. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets DIN 628-3 and ISO 15:2017 standards, delivering consistent performance under the toughest operating conditions. Our flexible order policy allows for 1-piece MOQ on standard bearings, supporting both emergency repairs and scheduled maintenance.
Optimized for Heavy-Duty Mining Gearbox Conditions
This double row angular contact ball bearing is specifically designed to handle the combined radial and axial loads common in energy mining gearboxes. The 2hrs seal type provides effective protection against dust and moisture, critical for extending service life in mining environments. With precision grades from P0 to P5, the bearing maintains stability at varying speeds, reducing vibration and noise to minimize wear on adjacent components.
Technical Features That Enhance Gearbox Efficiency
The 3309-Bd-XL-2hrs-Tvh incorporates key design elements that directly impact gearbox performance. Its polyamide (Tvh) cage ensures smooth ball circulation, reducing friction and heat generation during high-speed operation. The separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. Manufactured from high-grade bearing steel, the bearing offers excellent durability, while compliance with international standards guarantees interchangeability with original equipment components.
Long-Term Value of Genuine Precision Bearings
Choosing non-genuine bearings for mining gearboxes often leads to hidden costs: early failures requiring unscheduled downtime, increased repair labor, and potential damage to expensive gearbox components. Our 3309-Bd-XL-2hrs-Tvh bearing, produced under strict quality control processes including incoming material inspection and full-process supervision, delivers predictable service life. Backed by a 12-month warranty, it reduces total cost of ownership by minimizing replacement frequency and maximizing equipment uptime.
Why Mining Operations Trust Our Bearings
With ISO 9001:2015 and ISO 14001 certifications, our manufacturing processes ensure consistent quality across every batch. Our technical R&D team, with rich application experience in industrial machinery, provides free guidance on bearing selection and installation to optimize performance in specific mining gearbox models. We maintain efficient production cycles, with bulk orders shipped within 5-15 working days, and offer multiple secure payment methods including T/T, Credit Card, and Alibaba platform transactions for hassle-free procurement.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days for urgent replacement needs
- Flexible logistics options including express, air, and sea freight
- Real-time tracking information provided once shipment is dispatched
- 1 piece MOQ available for standard bearings, supporting emergency repairs
Get Your Mining Gearbox Back to Full Operation
Don’t let bearing failures disrupt your mining operations. The 3309-Bd-XL-2hrs-Tvh Double Row Angular Contact Ball Bearing is ready to ship, ensuring minimal downtime and reliable performance. Whether you need a single replacement or bulk order, our responsive service team will provide prompt support to get your gearboxes operational again.
Frequently Asked Questions
Q: Is this bearing suitable for heavy-duty mining gearboxes?
A: Yes, the 3309-Bd-XL-2hrs-Tvh is specifically designed for energy mining gearboxes, with a double row structure to handle combined radial and axial loads common in mining applications.
Q: How do I confirm if this bearing fits my gearbox model?
A: Provide your gearbox model or original bearing designation, and our technical team will verify compatibility based on dimensions and performance requirements.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: Standard bearings like the 3309-Bd-XL-2hrs-Tvh have a 1-piece MOQ, supporting both emergency repairs and small-batch orders.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders typically deliver within 5-15 working days depending on quantity.
Q: How is the bearing quality ensured?
A: All bearings undergo strict quality control, including dimensional detection, noise testing, and full-process supervision, complying with ISO 9001:2015 standards.
Ready to order or need a quote?
Send your bearing designation, gearbox model, and quantity — we’ll respond within 24 hours.