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NA4828 is metric series needle roller bearing equipped with a machined inner ring. This NA type construction consists of outer ring, needle roller & cage assembly and separable inner ring. It features ultra-compact radial section while maintaining outstanding radial load capacity. The inner ring can be separated from the needle roller unit to simplify assembly and disassembly procedures. It is mainly used to bear radial loads and fits well for equipment with narrow installation space, widely adopted in gearboxes, construction machinery and automation transmission systems.
Formal quotation will be sent within 24 hours upon your inquiry.
2. Technical Specifiions
Model
NA4828
Dimensions
d140 mm, D175 mm, B35 mm
Net weight
approx 1.72 kg
Dynamic load rating Cr
136 kN
Static load rating Cor
265 kN
Limiting speed
Grease 3800 rpm, Oil 4600 rpm
Structure
Needle roller bearing, NA type (complete with separable inner ring)
Material
GCr15 bearing chrome steel, stamped steel cage
Clearance
Standard CN clearance; C3 optional
Sealing
Open type; sealed versions available upon request
Additional Information
Complete dimension drawings and load data available on request.
3. Core Advantages
Slim compact cross-section design, greatly save radial installation space
Large number of needle rollers, excellent carrying capacity for heavy radial loads
Separable inner ring design, convenient installation, inspection and component replacement
Low friction loss, stable operation under continuous medium-speed rotating conditions
High rigidity, small deformation under heavy radial pressure
Customizable options: OEM laser marking, special clearance, surface strengthening treatment Effectively reduce space occupation and prolong service life of compact transmission assemblies.
4. Appliion Scenarios
Light and medium-duty compact industrial gearboxes
Construction machinery auxiliary transmission components
Precision superfinishing grinding for rings and needle rollers
Cage forming and deburring processing
Full dimension tolerance, static & dynamic load and rotational performance testing
7. Request Quotation
If you need NA4828 needle roller bearings:
Send inquiry to obtain below supports:
Quick formal quotation within 24 hours
Professional installation selection advice
Custom marking and special technical requirements available
Competitive factory direct price Contact our sales team for full technical datasheets and formal offer.
8. FAQ
Q1: What is the difference between NA4828 and RNA4828?
NA4828 comes with inner ring; RNA4828 is without inner ring.
Q2: Dimensions of NA4828?
140×175×35 mm needle roller bearing with inner ring.
Q3: Load feature?
Only suitable for bearing radial load, not applicable for axial load.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification：
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...
