Needle Roller Bearings

Needle Roller Bearing RNA4852 285x320x60mm P0-P4 Precision for Industrial Machinery

SKU: d8fbcdea7c0c In Stock

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing RNA4852—engineered to deliver reliable performance even under heavy radial loads. This 285x320x60mm bearing, crafted from high-grade bearing steel, maintains P0-P4 precision ratings to minimize vibration and extend equipment lifespan, addressing the challenge of inconsistent performance in demanding operations.

  • Without outer and inner rings design reduces weight while maximizing load capacity, ideal for compact machinery setups
  • Supports grease or oil lubrication for flexible maintenance, ensuring adaptability to your specific operational needs
  • Backed by ISO-certified manufacturing and our 12-month warranty, so you can trust consistent quality from a partner with decades of industrial bearing expertise
Wholesale Price (FOB)
¥1.50
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. RNA4852
Load Direction Radial Bearing
Style Without Outer Ring, Without Inner Ring
Material Bearing Steel
Type Closed
Product Name Needle Roller Bearing
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Clearance C0 C3 C4
Delivery Time 3-7days
Service OEM ODM
Transport Package Carton Pallet
Specification 285*320*60 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Gearboxes, Reducers, Printing Machines
Automotive Transmission Systems, Wheel Hubs
Agricultural Machinery Tractors, Harvesting Equipment
Engineering Excavators, Heavy Duty Machinery

Reduce Downtime with RNA4852 Needle Roller Bearing 285x320x60mm for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical component like a needle roller bearing fails prematurely, it halts production lines, increases maintenance costs, and delays deliveries. Many face challenges with suppliers demanding large minimum orders or struggling to find bearings that meet precise size and precision requirements for their equipment.

Reliable RNA4852 Bearing with Flexible Ordering and Fast Delivery

The RNA4852 Needle Roller Bearing addresses these pain points with its 285x320x60mm size and P0-P4 precision range, ideal for industrial machinery applications. As a professional bearing manufacturer with decades of experience, we offer flexible ordering with 1 piece MOQ for standard bearings and sample orders without MOQ, ensuring you can source the exact quantity needed—whether for emergency repairs or regular maintenance. Our efficient production capabilities enable delivery within 3-7 days, minimizing equipment downtime.

Optimal Performance in Heavy-Duty Industrial Environments

Designed as a radial bearing without inner or outer rings, the RNA4852 excels in applications where space is limited and high radial load capacity is required. Its closed type construction provides protection against contaminants, making it suitable for use in gearboxes, reducers, and printing machines where reliability under heavy loads is essential. The bearing steel material ensures durability, while grease or oil lubrication options allow adaptation to specific operating conditions, ensuring stable performance even in demanding industrial settings.

Precision and Clearance: Key Factors for Machinery Efficiency

The RNA4852’s precision ratings from P0 to P4 directly impact machinery performance. Higher precision grades (P4) reduce vibration and noise, critical for high-speed applications in precision equipment. Clearance options (C0, C3, C4) allow customization based on thermal expansion and load conditions—C3 and C4 clearances accommodate higher operating temperatures and heavy loads, preventing premature failure. These technical details ensure the bearing maintains optimal performance, extending both its service life and that of the machinery it supports.

Long-Term Value: Avoid Hidden Costs of Substandard Bearings

Choosing substandard bearings may seem cost-effective initially, but the hidden costs of early failure—including production downtime, replacement parts, and labor—quickly outweigh the savings. Our RNA4852 Needle Roller Bearing meets ISO international industrial standards, backed by strict quality control processes from raw material inspection to full-process production supervision. With a 12-month warranty, we stand behind the performance of every bearing, ensuring you avoid the risks associated with counterfeit or low-quality products and reduce your total cost of ownership.

Why Industrial Buyers Choose Saifan Bearings

With over 18 years of manufacturing and export experience, Saifan Bearings serves global clients across Europe, North America, Southeast Asia, and the Middle East. Our ISO 9001:2015 and ISO 14001 certifications demonstrate our commitment to quality and environmental management. We maintain a professional technical R&D team and experienced QC staff, conducting comprehensive performance tests in our in-house laboratory. For distributors and wholesalers, we offer free samples (freight borne by customers) and reliable after-sales support, including technical guidance on selection, installation, and maintenance. Our one-stop service covers independent R&D, mass production, and global sales, making us a trusted partner for industrial bearing needs.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • 3-7 working days delivery for standard orders
  • Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time logistics tracking provided for all shipments
  • 1 piece MOQ available for standard bearings, supporting emergency and small-batch orders

Secure Your RNA4852 Bearing Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single RNA4852 bearing for emergency repair or a bulk order for planned maintenance, we ensure fast delivery and reliable performance. Contact us with your requirements, and our team will assist you in confirming specifications to ensure the perfect fit for your machinery.

Frequently Asked Questions

Q: Is the RNA4852 bearing a genuine product?

A: Yes, we are a professional bearing manufacturer with strict quality control processes. All products meet ISO standards and are traceable through our production system.

Q: How can I confirm if the RNA4852 is suitable for my equipment?

A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision grade. Our technical team will verify compatibility and offer free guidance.

Q: What is the warranty policy for the RNA4852 bearing?

A: We offer a 12-month warranty from the date of delivery. Qualified defective products are eligible for free replacement or refund.

Q: What is the minimum order quantity for the RNA4852?

A: The minimum order quantity for standard bearings is 1 piece, supporting both small-batch and bulk orders.

Q: How long does it take to ship the RNA4852 bearing?

A: Standard orders are delivered within 3-7 working days. We offer flexible shipping options to meet your urgency.

Q: Can you provide customization for the RNA4852 bearing?

A: Yes, we support OEM/ODM customization. Contact us with your drawings or specific requirements for structure, size, or packaging adjustments.

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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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