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NA4828 Drawn Cup Needle Roller Bearing 140*175*35 mm GCr15 Steel For Hydraulic Equipment Power Tools
Product Overview
NA4828 is an open‑type machined outer‑ring needle roller bearing supplied with a separable solid inner ring. Thanks to slender needle‑shaped rollers, it possesses outstanding radial load‑bearing capacity with compact cross‑section size. The stamped‑steel cage keeps needle rollers steadily positioned. It suits limited‑installation‑space transmission shafts of gearboxes, automobile parts and hydraulic machinery.
*Send inquiry to get latest factory price and technical datasheet.
Key Specifiions
Specifiion
Value
Bearing Model
NA4828
Bearing Type
Machined‑ring Needle Roller Bearing
Number of row
Single Row
Inner diameter d
140 mm
Outer diameter D
175 mm
Width B
35 mm
Material
GCr15 Chrome Bearing Steel
Seal Type
Open
Minimum Chamfer r
1.5 mm
Basic Dynamic Load Cr
182000 N
Basic Static Load C0r
335000 N
Grease Limit Speed
2600 rpm
Oil Limit Speed
3800 rpm
Net Weight
1.85 kg
Retainer Material
Steel Stamping Cage
Suffix‑Code Explanation
NA With inner ring, separable needle roller unit
Main Features
Ultra‑thin cross‑section structure to save mounting space for narrow shaft‑seat positions
High radial load capacity brought by large‑quantity needle roller arrangement
Detachable inner‑ring structure for convenient assembly, inspection and maintenance
Tough stamped steel cage which holds rollers stable during high‑speed rotation
Open‑style layout for easy grease filling and routine maintenance work
Hardened GCr15 bearing‑steel for good wear‑resistance and long‑term service life
Hydraulic cylinder and hydraulic pump rotary parts
Hand‑held heavy‑duty electric power‑tool spindle
Construction machinery compact pivot‑shaft assemblies
Textile‑machinery and general‑purpose small‑size transmission parts
*Contact our technical team to confirm compatibility and bearing assembly suggestions.
Why Choose GQZ Bearing
30 years professional bearing industry experience
ISO certified strict quality inspection
Flexible OEM & private label customization
3-5 days fast delivery for stocked bearings
Full bearing series, universal interchangeable size
Factory direct price & reliable after-sales service
FAQ
Q1: What type of load can NA4828 mainly carry?
A1: It is primarily designed to bear heavy radial load and is not suitable for large axial force.
Q2: Does this needle roller bearing include a separate inner ring?
A2: Yes, model NA4828 comes with a detachable solid machined inner ring.
Q3: What lubriion method gains a higher limiting rotational speed?
A3: Oil lubriion reaches the top limiting speed of 3800 rpm.
Q4: Why choose needle roller bearing over other roller‑type bearings?
A4: It delivers great radial load capacity while occupying minimal radial installation space.
Q5: Is the NA4828 fitted with built‑in sealing covers?
A5: It adopts open‑type design, and external dust‑proof measures are required in dusty environments.
*Place bulk orders for MR series inch needle bearings, enjoy sufficient stock and fast delivery.
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...
