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Ncf2915ek P6 High Precision Bearing K W33
US$1.00
1 Piece
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Rolling Body

Roller Bearings

The Number of Rows

Single

Model NO.

NCF 29 Series

Outer Dimension

Multiple Sizes Available

Material

Chrome Steel

Spherical

Non-Aligning Bearings

Load Direction

Primarily Radial Load

Separated

Separated

Transport Package

Stardard

Specification

Stardard

Trademark

Rock

Origin

Luoyang

HS Code

8482500090

Production Capacity

5000 Pieces/Year

Key features

Ultra-High Precision Grades: Available in P2, UP, P4, SP, P5, and P6 grades for CNC spindles and robot joints.
Full-Complement Design: Maximizes radial load capacity and shock resistance for heavy-duty industrial scenarios.
Flexible Shaft Matching: Optional K tapered bore allows for flexible shaft matching and easy assembly.
Enhanced Lubrication: W33 configuration features circumferential groove with oil holes for improved efficiency.
Separable Structure: Enables easy installation, disassembly, and maintenance under harsh working conditions.
Premium Material: Made of high-carbon chromium steel for excellent rigidity, low noise, and wear resistance.
Wide Size Range: Multiple sizes available from 20mm to 500mm inner diameter for various applications.
Customization Options: Offers full customization, minor customization, and flexible customization from samples.

Company profile

Luoyang Rock Precision Engineering Co., Ltd.
High Repeat Buyers ChoiceIn-stock CapacityFast DeliveryCustomization from Samples
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: ≤2.04h

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 precision grades are available for the NCF29 series?
A:
We offer full coverage of premium precision grades including P2, UP, P4, SP, P5, and P6.
Q:What is the difference between K and W33 configurations?
A:
K indicates a tapered bore for flexible shaft matching, while W33 features a circumferential lubrication groove with oil holes.
Q:What are the main applications for these bearings?
A:
They are widely used in CNC machine tool spindles, industrial robot joints, metallurgical rolling mills, and wind power equipment.
Q:How should the bearings be lubricated upon shipment?
A:
Bearings are pre-filled with grease unless specific oil lubrication requirements are stated in the operating conditions form.
Q:What is the recommended replenishment cycle for grease?
A:
We recommend replenishing with the same brand of grease every six to twelve months based on application conditions.

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