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{"title":"Factory Direct Sale F-218335 Needle Roller Bearing\/Auto Bearings","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/7b\/905c91cf72c995917a6a256d04e2-200x200-1\/factory_direct_sale_f_218335_needle_roller_bearing_2fauto_bearings.jpg","attrs":{"Model Number":"F-218335","Brand Name":"OEM\/Neutral","Place of Origin":"Jiangsu, China","Minimum Order Quantity":"2"}}
{"title":"NKIB5909-XL Combined Needle Roller Bearing 45x68x34mm NKIB5909 Needle Roller","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/31\/665228e7592a6993c7e302a61333-200x200-1\/nkib5909_xl_combined_needle_roller_bearing_45x68x34mm_nkib5909_needle_roller_2fangular_contact_ball_bearing.jpg","attrs":{"Brand Name":"As Per Request","Place of Origin":"Germany","Minimum Order Quantity":"2","Price":"$6-10"}}
{"title":"Gcr15 steel Material INA F-211810 Needle Roller Bearing without Inner Ring","imgUrl":"https:\/\/img.chinax.com\/nimg\/80\/e9\/fd5a8945549ca06af557312773a6-200x200-1\/gcr15_steel_material_ina_f_211810_needle_roller_bearing_without_inner_ring_32x42x18mm.jpg","attrs":{"Brand Name":"INA","Model Number":"F-211810","Certifiion":"ISO90001","Place of Origin":"Germany"}}
{"title":"NKIA5901 Combined Needle Roller Bearing 12x24x16mm; Needle Roller\/Angular","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/c4\/2e60a695db62ca784d8204c18601-200x200-1\/nkia5901_combined_needle_roller_bearing_12x24x16mm_3b_needle_roller_2fangular_contact_ball_bearing_nkia5901.jpg","attrs":{"Brand Name":"As Per Request","Place of Origin":"Germany","Minimum Order Quantity":"2","Price":"$45-50"}}
The WJ222820 is an inch-size open needle roller cage assembly without outer shell, standard dimension 34.925×44.45×31.75mm. It adopts dense arranged needle rollers and integrated stamped steel cage, featuring ultra-compact radial cross-section and outstanding heavy radial load capacity. It requires matched hardened housing and quenched shaft as raceways, widely used in agricultural machinery, small gearboxes and compact inch transmission equipment.
Get a quote within 24 hours for your project
2. Technical Specifications
Model
WJ222820
Inner Bore Fw
34.925mm (1-3/8 inch)
Outer Roller Ew
44.45mm (1-3/4 inch)
Assembly Width Bc
31.75mm (1-1/4 inch)
Structure
Open needle roller cage assembly, no outer cup
Cage
Precision stamped steel retainer
Material
GCr15 high carbon chromium bearing steel
Seal Type
Open without sealing rings
Limiting Speed (Grease)
12000rpm
Precision Grade
P0/P6/P5 customizable
Full technical datasheet and installation drawings available upon request
3. Key Advantages
Open cage structure saves installation space, no integrated outer shell for compact mechanism design
Dense needle roller layout provides large radial load capacity under narrow radial space
Stamped steel cage locks rollers firmly, prevents roller falling during assembly and operation
Standard inch imperial size fully interchangeable with global WJ series needle assemblies
Works with quenched shaft and hardened housing to omit separate inner/outer bearing rings
Custom width, clearance grades and surface anti-rust treatment available on demand
Space-saving high-load needle roller solution for inch standard mechanical assemblies
4. Applications
This inch needle roller cage assembly is widely matched to:
Agricultural harvesters, farm rotary transmission and inch standard machinery
Small industrial gearboxes, hydraulic components and textile equipment
General compact rotary structures adopting imperial dimension design
Equipment with limited radial installation space requiring heavy radial load support
Cost-effective open needle roller cage for inch-size farm & industrial transmission parts
5. Why Choose GQZ Bearing
25+ years experience in inch WJ series needle roller cage production
Exported to 50+ countries worldwide
Rich OEM experience for imperial needle roller assembly bulk orders
Strict roller hardness, cage forming and dimensional tolerance inspection before shipment
Fast professional technical reply within 24 hours
Stable bulk supply for long-term agricultural machinery factory cooperation
We focus on stable high-load precision quality and long‑term partnership
6. Quality Assurance
GCr15 bearing steel raw material incoming hardness inspection
Precision cutting and stamping for steel cage, superfinishing for needle rollers
Standard quenching & tempering heat treatment for uniform surface hardness
Roller retention test, load durability and full dimension recheck
Anti-rust oil treatment before tube packaging delivery
Consistent stable heavy radial load performance guaranteed for every cage assembly
7. CTA
Get a Quote Now
Looking for open inch WJ222820 needle roller cage assembly supplier?
Send your inquiry to get:
Fast factory quotation within 24h
Professional inch needle roller technical parameter support
No, it is only roller cage assembly; quenched shaft acts inner race, hardened housing acts outer race.
Q2: Can you supply sealed WJ series needle assemblies?
WJ standard type is open; sealed drawn cup needle bearings can be customized separately.
Q3: What is your standard production lead time?
Stock WJ222820:7–12 working days
Custom precision/surface treatment orders take 12–18 days
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...
