Changzhou Zhihua Bearings Co., Ltd.
                                                                                                           
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Since 2004
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China NA48 RNA48 Heavy Duty Needle Roller Bearings - 110mm to 380mm Bore Sizes, 74.8-532kN Dynamic Load Capacity for sale

NA48 RNA48 Heavy Duty Needle Roller Bearings - 110mm to 380mm Bore Sizes, 74.8-532kN Dynamic Load Capacity

Price Negotiable
MOQ: 50-2000
Delivery Time: 5-30 Working Days
Product Description
NA Type Heavy Duty Needle Roller Bearings
NA48 RNA48 type heavy duty needle roller bearings feature a precision-machined channel-shaped outer ring with needle rollers retained and guided by a high-strength cage. These industrial bearings include an optional groove and hole in the outer ring for convenient relubrication. They can be used with or without a machined inner ring, depending on shaft suitability as a raceway surface.
Key Features
  • Heavy-duty construction for demanding industrial applications
  • High-strength cage for optimal roller retention and guidance
  • Optional relubrication groove and hole for extended service life
  • Flexible installation with or without inner ring
  • IATF16949 certified manufacturing since 2011
Technical Specifications
Bearing Designation Mass (g) Boundary Dimensions (mm) Basic Load Rating (kN) Limiting Speed (rpm)
NA4822 / RNA4822 1110 / 670 110×120×140 74.8 / 168 2640
NA4824 / RNA4824 1170 / 730 120×130×150 79.6 / 186.4 2480
NA4826 / RNA4826 1820 / 950 130×145×170 94.4 / 244 2240
NA4828 / RNA4828 1600 / 1020 140×155×175 96.8 / 252 2080
NA4830 / RNA4830 2720 / 1600 150×165×190 121.6 / 312 1920
Frequently Asked Questions
What are your payment terms?
Regular products: 100% payment before shipment. Customized products: 30% advance, 70% against copy of BOL. Long-term customers: Payment 1 month after receiving goods.
What certifications do you hold?
IATF16949 certified needle bearings manufacturer since 2011.
What is your production capacity?
Over 100 million pieces of bearings per year with different sizes and types.
What is your typical lead time?
Production period is 30-45 days for standard orders.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changzhou Zhihua Bearings Co., Ltd.
Location NO.9 Changbei Road,West Lake Street,Wujin District, Changzhou City,213145,China
Contact Person james

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