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Top Quality Heavy Duty Nnf5021ek P5 High Precision Bearing K W33
US$1.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableRolling Body
Roller BearingsThe Number of Rows
DoubleModel NO.
NNF SeriesOuter Dimension
Multiple Sizes AvailableMaterial
Chrome SteelSpherical
Non-Aligning BearingsLoad Direction
Primarily Radial LoadSeparated
SeparatedTransport Package
StardardSpecification
StardardTrademark
RockOrigin
LuoyangHS Code
8482500090Production Capacity
5000 Pieces/YearKey features
High Load Capacity: Double-row full complement design maximizes radial load capacity for heavy-duty applications.
Easy Installation: Features split inner rings for simple mounting and reduced installation time.
Contamination Protection: Integrated contact seals protect against dust and moisture in harsh environments.
Wide Size Range: Available in 20-310mm bore sizes across standard and heavy-duty series.
Low Maintenance: Pre-filled grease and sealed design reduce maintenance frequency in industrial gearboxes.
Versatile Applications: Ideal for mining, steel processing, marine equipment, and large fan systems.
OEM/ODM Support: Full customization and flexible design options available for specific needs.
Chrome Steel Material: Constructed from high-quality chrome steel for durability and precision.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.94h
AI-Powered supplier vetting
SummaryLuoyang Rock Precision Engineering Co., Ltd. is a China-based limited company established in 2022 with 19 employees. Its stated product scope includes bearings, machine tools, robots, and port machinery, and its products are reportedly used in construction machinery, mining equipment, CNC machine tools, wind power, robotics, and heavy industry. The supplier reports flexible customization and OEM service for well-known brands, but no SDK availability. Manufacturing resources include one production line and two export-trade staff, with one experienced export employee. Service-control weaknesses are documented: no written procedures or records for supplier-service assessment, corrective and preventive actions, or complaint handling. Finished products are checked by packing staff, and continuous quantity reconciliation is not performed for each batch. Overseas warehouse, showroom, agent/branch, and offline trade-show capabilities are absent. Certification holdings, verified customer cases, and sufficient...
After-Sales capabilityFinished products are checked by packing staff, but the supplier has no written procedures or records for effective service-capability assessment, corrective and preventive actions, or customer-complaint handling. It also has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows, indicating limited documented and overseas service infrastructure.
R&D capabilityThe company describes 20 years of continuous innovation and modern precision technology, and its products are used in technically demanding sectors including CNC machine tools, wind power, robotics, and heavy industry. However, it explicitly reports no available SDK, so software-development integration capability is not demonstrated.
Production capacityThe supplier reports one manufacturing production line and one year of export experience, supported by two export-trade staff and one experienced export employee. It does not perform continuous quantity reconciliation for every batch or mass-production run, which is a stated production-control weakness.
Customization capabilityThe supplier explicitly reports customization from samples, designs, full customization, minor customization, and flexible customization. It also states that it provides OEM services for well-known brands, supporting a positive assessment of customization capability.
Product Q&A
Q:What is the maximum bore size available?
A:
The product covers bore sizes ranging from 20mm to 310mm, including standard 50x and heavy-duty 3194x series.
Q:Can I customize the bearing specifications?
A:
Yes, OEM and ODM services are available, including customization from samples, designs, and flexible minor modifications.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set.
Q:How should the bearing be lubricated?
A:
Bearings are pre-filled with grease upon shipment. For oil lubrication, specify in the order. Do not mix different grease brands.
Q:What is the lead time for orders?
A:
The average lead time is one month, ranging from 1 to 3 months depending on the season.
Send Inquiry
*To:
Luoyang Rock Precision Engineering Co., Ltd.
Luoyang Rock Precision Engineering Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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