Housing Bearings

Insert Bearings UK311-UK318 High Load Pillow Block Y-Bearings for Industrial Machinery

SKU: 20a1a4e1be6f In Stock

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.

  • Available in P0-P4 precision ratings for seamless integration with machine tools, conveyors, and agricultural equipment
  • Flexible lubrication options (grease or oil) adapt to your maintenance routine, reducing downtime
  • Rich stock availability ensures quick 3-5 day sample delivery, keeping your production on track
Wholesale Price (FOB)
¥1.10
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

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

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Conveyors, Gearboxes, Pumps
Agricultural Machinery Harvesters, Tractors
Construction Excavators, Heavy Load Machinery
Manufacturing Printing Equipment, Reducers

Stop Equipment Downtime with UK311-UK318 High Load Insert Bearings

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.

High Load Pillow Block Bearings In Stock for Immediate Shipment

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.

Engineered for Heavy-Duty Industrial Performance

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.

Technical Details That Maximize Equipment Reliability

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.

Why Cutting Corners on Bearings Costs More in the Long Run

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.

Your Trusted Partner for Bearing Solutions Since 2005

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.

Packaging & Shipping

  • Secure carton pallet packaging to protect bearings during transit
  • 3–5 day sample lead time, 5–15 day bulk delivery for in-stock items
  • Flexible transport options: by sea or by air to meet your timeline
  • Real-time logistics tracking for full visibility of your shipment
  • 1pc MOQ available for standard items, ideal for emergency repairs

Get Your UK311-UK318 Bearings Shipped Today

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.

Frequently Asked Questions

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

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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