Product Specifications
| Parameter |
Details |
| Model NO. |
31313 |
| 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 |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Plastic Machinery |
Injection Molding Machines, Extruders, Blow Molding Equipment |
| Industrial Manufacturing |
Conveyor Systems, Gearboxes, Machine Tool Spindles |
| Agricultural Machinery |
Harvesters, Tractors, Tillage Equipment |
| Automotive Components |
Differential Assemblies, Wheel Hubs, Transmission Systems |
Eliminate Downtime with 31313 Tapered Roller Bearing for Plastic Machinery
Plastic machinery operators know the cost of unexpected downtime—hours of halted production, missed deadlines, and rising maintenance bills. Low-quality bearings often fail prematurely under the high radial loads and continuous operation of injection molding machines and extruders. Sourcing reliable replacements with the right specifications can be a challenge, especially when dealing with minimum order requirements or delayed shipments.
High Durability 31313 Tapered Roller Bearing: Engineered for Plastic Machinery
Our Single Row Tapered Roller Bearing 31313 is designed to address these pain points, offering the durability and precision needed for plastic machinery applications. With a 1pc MOQ for standard items and sample lead times of 3–5 days, we ensure you can get the exact bearing you need without overstocking. Manufactured from high-grade bearing steel and available in precision ratings from P0 to P4, this bearing delivers consistent performance in the demanding conditions of plastic extrusion and molding processes.
Optimal Performance in Heavy-Duty Plastic Machinery Applications
The 31313 tapered roller bearing excels in applications where radial and axial loads combine, such as the gearboxes and conveyor systems of plastic machinery. Its separated design allows for easy installation and maintenance, reducing downtime during replacements. The open seal type ensures compatibility with various lubrication methods, while the single row configuration provides efficient load distribution—critical for maintaining productivity in continuous manufacturing environments.
Technical Details Impacting Machinery Reliability
Key technical features of the 31313 bearing directly enhance plastic machinery performance. The precision rating options (P0-P4) allow customization based on application requirements: P4 grade for high-speed extruders requiring minimal vibration, or P0 for cost-effective general-purpose use. The bearing steel construction ensures resistance to wear under heavy loads, extending service life in abrasive plastic processing environments. Additionally, the separated design simplifies maintenance, allowing for quick disassembly and re-lubrication without removing the entire assembly—saving valuable production time.
Why Quality Bearings Reduce Total Cost of Ownership
Choosing genuine, high-durability bearings like the 31313 ultimately lowers operational costs compared to cheaper alternatives. Inferior bearings may save on initial purchase price but often fail early, leading to unplanned downtime, increased labor for replacements, and potential damage to adjacent machinery components. Our bearings, backed by ISO9001 certification and rigorous quality control, provide consistent performance that reduces maintenance frequency and extends equipment lifespan—delivering better long-term value than low-cost, uncertified options.
Your Trusted Partner for Bearing Solutions
With over 18 years of experience as an integrated bearing manufacturer and exporter, Jinan Saifan Bearing has built a reputation for reliability across Europe, America, Southeast Asia, and the Middle East. Our commitment to quality is supported by a full R&D department, QC lab, and ISO14001 environmental certification. We offer a 12-month global warranty, free technical guidance, and defect replacement or refund policies to ensure your satisfaction. Our flexible order options, including free samples (buyer covers freight) and 5–15 day bulk delivery, make us a practical choice for both emergency repairs and long-term supply agreements.
Packaging & Shipping
- Standard packaging: Carton with pallet reinforcement for secure transport
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Shipping options: DHL, FedEx, UPS, air freight, or sea freight
- Minimum order quantity: 1 piece for standard bearings
Get Your 31313 Bearing Shipped Today
Don’t let bearing failures disrupt your production schedule. Whether you need a single replacement or bulk order, our 31313 tapered roller bearings are ready to ship. Send us your requirements, and we’ll provide a quote within 24 hours—keeping your plastic machinery running smoothly and efficiently.
Frequently Asked Questions
Q: Is this bearing suitable for high-temperature plastic extrusion applications?
A: The bearing steel construction and lubrication options (oil, grease, dry) make it suitable for typical plastic machinery operating temperatures. For extreme heat applications, contact our technical team to discuss custom lubrication solutions.
Q: How do I confirm if the 31313 bearing fits my specific plastic machine model?
A: Provide your equipment model or the original bearing designation, and our technical team will verify compatibility based on dimensions and load requirements at no cost.
Q: What warranty coverage do you offer for the 31313 bearing?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions within this period, we offer replacement or refund.
Q: Can I order a single sample before placing a bulk order?
A: Yes, we offer 1pc MOQ for standard items, and samples are available with a 3–5 day lead time (buyer covers freight costs).
Q: How are the bearings packaged for international shipping?
Bearings are packed in cartons with pallet reinforcement to prevent damage during transit, ensuring they arrive in optimal condition for immediate use.
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