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{"title":"Grease Lubriion NSK 6304NR Deep Groove Ball Bearing with Snap Ring Open type","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/7a\/6c0eb2d81eec5364ee92ad9d2d32-200x200-1\/grease_lubriion_nsk_6304nr_deep_groove_ball_bearing_with_snap_ring_open_type_inner_diameter_20mm.jpg","attrs":{"Brand Name":"NSK NSKHPS","Model Number":"6304NR","Certifiion":"ISO","Place of Origin":"Japan"}}
6202/VK2415 is a modified special-groove deep groove ball bearing based on standard 6202 size, with a precise positioning groove machined on the outer ring for snap ring fixing. The customized outer ring groove design realizes axial limit without extra positioning sleeves, simplifying water pump shaft assembly structure. Double lip contact rubber seals are equipped on both sides to resist coolant splash, engine dust and high-temperature steam inside engine compartment. Optimized C3 internal clearance adapts to continuous high-temperature operation of automobile water pumps, effectively avoiding bearing seizure caused by thermal expansion. Widely used as replacement spare parts for car engine cooling water pump rotating shaft assemblies in auto aftermarket repair.
Get a quote within 24 hours for your auto cooling system spare parts bulk order
2. Technical Specifications
Model:6202/VK2415
Core Dimension:Inner d=15 mm, Outer D=35 mm, Width B=11 mm
Structure:Single Row Deep Groove Ball Bearing with outer ring special positioning groove
Seal Type:Double side contact rubber seals
Radial Clearance:C3 increased clearance
Material:GCr15 high carbon chrome bearing steel
Cage:Stamped two-piece riveted steel cage
Net Weight:0.042 kg
Precision Grade:Standard P0, customizable P6/P5
Surface Hardness:HRC 58–65
Working Temperature Range:-40℃ ~ 130℃
Limiting Grease Rotation Speed:14000 r/min
Cross Reference:Standard 6202 snap ring groove bearing, VK2415 water pump dedicated bearing
HS Code:8482103000
Full technical CAD drawings, groove size parameters and vehicle fitment list available upon request
3. Key Advantages
Precision machined outer ring positioning snap ring groove, complete axial positioning matching standard circlips, reduce water pump assembly parts and assembly tolerance errors
Double multi-lip contact rubber seals block engine coolant, dust and high-temperature steam, prevent grease dilution and leakage caused by cooling liquid erosion
C3 oversized internal clearance compensates thermal expansion of water pump shaft under long-term high-temperature operation, eliminate jamming risk
Mirror superfinished raceway and steel ball surface minimize rotation friction torque, suppress abnormal buzzing noise during water pump continuous operation
Through-hardened GCr15 bearing steel with stable heat treatment delivers outstanding wear resistance and anti-fatigue performance to adapt frequent engine start-stop impact loads
Support customized groove width, seal types, precision grades, high-temperature anti-coolant grease, OEM laser marking and neutral vacuum anti-rust packaging
Reduce automobile water pump overhaul frequency and save high cost of complete water pump assembly replacement
4. Application Scope
This special groove water pump bearing is widely applicable to:
Passenger car, compact sedan and small SUV engine cooling water pump rotating shaft assemblies
Auto repair shops, vehicle maintenance service stations and global auto spare parts wholesale distributors
Small machinery circulating water pumps, miniature cooling pump rotary support components
Light equipment hydraulic cooling circulation pump transmission parts
Ideal dedicated replacement bearing to solve water pump abnormal noise, shaft shaking and bearing wear faults
5. Why Choose GQZ Automotive Special Bearing
Over 25 years professional manufacturing experience of auto water pump customized groove bearings
Strictly follow original groove dimension and tolerance standards, 100% interchangeable with original 6202/VK2415 bearings
Complete production line covering forging, heat treatment, CNC outer ring groove turning, raceway grinding and finished product durability testing
Sufficient spot stock for 6202 special groove series, fast delivery for auto cooling spare parts bulk orders
Professional technical team provides water pump disassembly, press-fit installation guidance and vehicle fitment confirmation
Products exported to more than 50 countries, stable supply for global auto parts wholesalers and repair chains
We focus on high temperature resistant low-noise special bearings for automobile cooling system aftermarket repair
6. Complete Quality Assurance System
Raw steel chemical composition and hardness inspection before production
CNC outer ring groove turning, raceway precision grinding and mirror superfinishing processing
Constant temperature quenching & tempering heat treatment to stabilize internal material stress
Finished full inspection: internal clearance, rotation noise, flexibility, high-temperature coolant resistance and alternating load fatigue test
Full dimensional tolerance inspection for inner ring, outer ring and positioning groove plus visual appearance check
Anti-rust oil spraying + independent vacuum packaging to avoid rust during long-distance sea transportation
Every batch of bearings passes full inspection before shipment to guarantee stable water pump operation performance
7. Get a Quote Now
Looking for wholesale 6202/VK2415 special outer groove deep groove bearings for auto engine water pumps? Send your inquiry to obtain:
Competitive factory direct bulk unit price
Complete vehicle water pump fitment checklist
Custom groove size, seal style and OEM laser marking packaging solutions
Technical support for water pump shaft disassembly and bearing press-fit installation
Contact us for detailed catalog and real-time stock availability
8. FAQ
Q1: Can 6202/VK2415 directly replace ordinary standard 6202 bearing?
Not fully interchangeable. This model has a dedicated positioning groove on the outer ring for circlip limit, ordinary 6202 outer ring is smooth; only applicable to water pump assemblies matched with grooved bearing.
Q2: What fault symptoms need to replace 6202/VK2415 water pump bearing?
Continuous whining noise from engine front end when vehicle running, obvious water pump shaft shaking, coolant seepage around pump housing, abnormal high temperature of engine cooling system.
Q3: What is your delivery cycle for bulk orders?
Spot inventory goods: ship within 3–5 working days; customized special groove batch orders: 7–15 working 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...
