Product Specifications
| Parameter |
Details |
| Model NO. |
30319 30321 |
| Outer Dimension |
35mm-400mm |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
70*180*42mm |
| Trademark |
SKF NSK NTN TIMKEN KOYO |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Agriculture |
Mini Tractors, Harvesters, Tractors |
| Industrial Machinery |
Reducers, Machine Tools |
Prevent Downtime in Your Mini Tractor with 30319 30321 Tapered Roller Bearings
Agricultural operations can’t afford unexpected equipment failures. When bearings in mini tractors fail prematurely, it leads to costly downtime during critical planting or harvesting seasons. Many farmers face challenges with generic bearings that lack the load capacity for heavy agricultural tasks, resulting in frequent replacements and lost productivity.
Heavy Load Tapered Roller Bearings Engineered for Mini Tractors
Our Mini Tractor Tapered Roller Bearing 30319 and 30321 are designed to address these pain points. Made from high-quality bearing steel, these bearings deliver the durability needed for heavy-load agricultural machinery. With a separated structure for easy installation and maintenance, they ensure reliable performance even in the demanding conditions of farm operations. Supported by our ISO9001 and ISO14001 certified manufacturing processes, we guarantee consistent quality that meets global industry standards.
Optimal Performance in Agricultural Machinery
Tapered roller bearings excel in applications where both radial and axial loads are present, making them ideal for mini tractors. The 30319 and 30321 models are specifically engineered to handle the heavy loads encountered in agricultural tasks, such as plowing and hauling. Their precision construction ensures smooth rotation, reducing friction and extending the service life of your equipment. Whether used in the wheel hubs or transmission systems of mini tractors, these bearings provide the stability and reliability needed for continuous operation.
Key Technical Features for Reliable Operation
The performance of these tapered roller bearings is defined by several critical technical parameters. The precision rating options from P0 to P2 allow you to choose the level of accuracy required for your specific application, ensuring minimal vibration and noise during operation. The open seal type provides flexibility in lubrication, compatible with oil, grease, or dry conditions, adapting to different maintenance practices. With a single row design, these bearings offer a balance of load capacity and compact size, perfectly suited for the space constraints of mini tractor components. The specified dimension of 70*180*42mm ensures proper fit and alignment, critical for maximizing bearing life and equipment performance.
Long-Term Value of Quality Tapered Roller Bearings
Choosing genuine, high-quality tapered roller bearings like the 30319 and 30321 models helps avoid the hidden costs of inferior alternatives. Counterfeit or low-grade bearings often fail prematurely, leading to not just replacement costs but also the expense of unplanned downtime and potential damage to associated components. Our bearings, manufactured with strict quality control and material standards, provide a lower total cost of ownership by reducing maintenance frequency and extending service intervals. With a 12-month global warranty, we stand behind the reliability of our products, offering defect replacement or refund for added peace of mind.
Why Agricultural Machinery Makers Choose Saifan Bearings
With over 18 years of experience in bearing manufacturing and exporting, Jinan Saifan Bearing has established a reputation for reliability in the global market. Our full R&D capabilities and QC lab ensure that each bearing meets the highest standards of quality and performance. We offer flexible order options, with a 1pc MOQ for standard items, making it easy to source both small quantities for maintenance and larger orders for production. Our sample lead time of 3–5 days and bulk delivery within 5–15 days ensures you get the bearings you need when you need them. Supported by free technical guidance and a dedicated after-sales team, we provide comprehensive support throughout the product lifecycle, from选型 to installation and beyond.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Sample lead time: 3–5 days
- Bulk delivery time: 5–15 days
- Multiple payment options: T/T, credit card, Alibaba trade
- 1pc MOQ for standard items, suitable for both maintenance and small-scale production needs
Get Your Mini Tractor Bearings Today
Don’t let bearing failures disrupt your agricultural operations. Whether you need to replace worn bearings or stock up for upcoming maintenance, our 30319 and 30321 Tapered Roller Bearings are ready to ship. Send us your requirements, including quantity and application details, and we’ll provide a competitive quote within 24 hours. Ensure your mini tractors stay operational with reliable bearings from a trusted manufacturer.
Frequently Asked Questions
Q: Are these bearings genuine and of high quality?
A: Yes, our bearings are manufactured in our ISO9001 and ISO14001 certified facility, using high-grade bearing steel and strict quality control processes to ensure reliability and performance.
Q: How do I confirm if the 30319 or 30321 bearing is suitable for my mini tractor?
A: Provide us with your mini tractor model or the specific application details, and our technical team will help confirm the correct bearing型号 for your needs.
What is the warranty policy for these bearings?
A: We offer a 12-month global warranty. If you encounter any manufacturing defects, we provide free replacement or refund.
What is the minimum order quantity?
A: We accept a minimum order quantity of 1 piece for standard items, supporting both emergency repairs and small-scale purchases.
How long does it take to receive the bearings after ordering?
A: For samples, the lead time is 3–5 days. For bulk orders, delivery takes 5–15 days, depending on the quantity and your location.
Can you provide technical support for installation and maintenance?
A: Yes, we offer free technical guidance to help with installation, lubrication, and maintenance of our bearings, ensuring optimal performance and longevity.
Tags:
30319 30321 Tapered Roller Bearing
30319 Bearing
30321 Bearing
Agricultural Machinery Tapered Roller Bearing
Heavy Load Tapered Roller Bearing
Mini Tractor Tapered Roller Bearing
Tapered Roller Bearing
Tapered Roller Bearing for Mini Tractor
