Ensure smooth, heavy-duty industrial machinery operation with UK311-UK318 Insert Bearings—engineered to deliver reliable performance under high loads. These pillow block Y-bearings combine deep groove raceway design with precision-grade bearing steel, minimizing vibration (Z1V1-Z3V3) and extending equipment lifespan, even in demanding work environments.
| Parameter | Details |
|---|---|
| Model NO. | UK311, UK312, UK313, UK315, UK316, UK317, UK318 |
| Feature | High Load |
| Rows Number | Single |
| Raceway | Deep Groove Raceway |
| Material | Bearing Steel |
| Bearing Block Model | UK |
| Product Name | Insert Bearing |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Stock | Rich Stocks |
| Transport | by Sea or by Air |
| Service | OEM, ODM |
| Transport Package | Carton Pallet |
| Specification | 70*78*305 mm |
| Trademark | BDL/NSK/FYH |
| Origin | China |
| HS Code | 8483200000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Conveyors, Gearboxes, Pumps |
| Agricultural Machinery | Harvesters, Tractors |
| Construction | Excavators, Heavy Load Machinery |
| Manufacturing | Printing Equipment, Reducers |
Imagine your production line grinding to a halt because a low-quality bearing failed under heavy load. Replacing it means hours of downtime, missed deadlines, and unexpected costs. Many buyers face the same struggle—either choosing between overpriced original parts with long lead times or cheap alternatives that compromise reliability. For industrial machinery relying on consistent performance, the right bearing isn’t just a component; it’s the backbone of your operation.
Our UK311-UK318 Insert Bearings are engineered to solve these problems. Designed for high load applications, they combine robust construction with precision performance. With rich stocks available, we eliminate the wait—no more production delays due to backordered parts. Whether you need a single unit for emergency repairs or bulk orders for scheduled maintenance, our 1pc MOQ and 3–5 day sample lead time ensure you get what you need when you need it. These Y-Bearings for Industrial Machinery fit seamlessly into conveyors, gearboxes, and heavy-duty equipment, delivering the reliability your operation demands.
These High Load Pillow Block Bearings excel in the toughest industrial environments. The deep groove raceway design ensures even load distribution, while the single-row configuration optimizes space without sacrificing strength. Perfect for machinery handling continuous heavy loads—like agricultural harvesters, construction excavators, and manufacturing conveyors—they maintain stability under stress, reducing vibration and extending equipment life. When your operation depends on minimizing downtime, choosing a bearing built for high load resilience isn’t just smart—it’s essential.
Every aspect of these Insert Bearings is engineered for performance. The precision rating options (P0-P4) let you match the bearing to your application’s accuracy needs—from general industrial use (P0) to high-precision machine tools (P4). Vibration grades (Z1V1-Z3V3) ensure smooth operation, critical for reducing noise and wear in high-speed equipment. Constructed from high-quality bearing steel, they withstand the rigors of heavy loads and frequent use. Lubrication flexibility (grease or oil) allows adaptation to specific operating conditions, whether in dusty construction sites or controlled factory settings. These technical specifications don’t just meet standards—they set a benchmark for reliability.
Opting for uncertified or low-quality bearings might save money upfront, but the hidden costs add up fast. Early failure leads to unscheduled downtime, expensive repairs, and potential damage to connected components. Our UK311-UK318 Bearings, backed by ISO9001 and ISO14001 certifications, adhere to strict quality standards, ensuring consistent performance and longer service life. The 12-month global warranty provides peace of mind, covering manufacturing defects with free replacement or refund. When you calculate the total cost of ownership—including reduced downtime, fewer replacements, and reliable operation—investing in genuine, high-quality bearings becomes the most cost-effective choice.
At Jinan Saifan Bearing, we’ve built our reputation on reliability. With over 18 years of experience serving global buyers across Europe, America, Southeast Asia, and the Middle East, we understand the critical role bearings play in your business. Our full R&D and QC lab ensure every bearing meets stringent quality criteria before shipment. We offer OEM/ODM customization to fit unique application needs, supported by free technical guidance. With a production capacity of 1,000,000 units and flexible payment options (T/T, credit card, Alibaba trade), we’re equipped to handle orders of any size. When you choose us, you’re not just buying a bearing—you’re gaining a long-term partner committed to your success.
Don’t let equipment downtime impact your bottom line. Whether you need a single UK311 Bearing for a urgent repair or a bulk order of UK318 Bearings for scheduled maintenance, we have you covered. Send us your bearing designation, application details, and quantity, and our team will respond with a quote within 24 hours. With rich stocks and fast shipping, we’ll help you get back to production quickly.
Q: Are these bearings genuine and traceable?
A: Yes, we supply authentic bearings and can provide full traceability documentation for all products, ensuring compliance with quality standards.
Q: How do I confirm the right UK series bearing for my equipment?
A: Share your equipment model, load requirements, and operating conditions with our technical team, who will assist with free选型确认 (selection confirmation).
Q: What is your warranty policy for these insert bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available if issues arise.
Q: What is the minimum order quantity for UK31
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
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