Zys High Quality Na Series Na4903 Needle Roller Bearing with Needle Rollers

Name: Zys High Quality Na Series Na4903 Needle Roller Bearing with Needle Rollers
Brand: Luoyang Bearing Research Institute Co., Ltd.
SKU: 924452665

Henan, ChinaLuoyang Bearing Research Institute Co., Ltd.

US$5.00-10.00

1 Piece

Product profile

Customization

Available

Cage

With Cage

Rows Number

Multiple

Model NO.

NA4903

Load Direction

Radial Bearing

Style

Without Outer Ring

Material

Bearing Steel

Type

Open

Product Name

Needle Roller Bearing Na Series

Accuracy Class

P4/P2/P5

Rolling Body

Roller Bearings

Application

Manufacturing Plant, Machinery Repair Shops, Retai

Clearance

C0 C2 C3 C4 C5

Tolerance

ABEC1 ABEC3 ABEC5 ABEC7 ABEC9

Vibration

Z1V1 Z2V2 Z3V3 Z4V4

Spherical

Non-Aligning Bearings

Certification

SGS, ISO,IATF16949

Size

17*30*13mm

Apllication

Machine Tools, Automobile Gearboxes

Company

Bearing Manufacturer

Transport Package

Export Standard Packing

Specification

customized

Trademark

ZYS

Origin

Luoyang, Henan, China

Production Capacity

50000PCS Per Month

Company profile

Luoyang Bearing Research Institute Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1995-09-02 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.25h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryLuoyang Bearing Research Institute Co., Ltd. is a China-based manufacturer established in 1993, with 708 employees and operations in Henan. Its stated business covers precision, special, large-size, slewing, wind-turbine, and other bearing products, as well as spindles, testing instruments, manufacturing equipment, and related materials. The supplier reports export activity since 1995, with exports representing 51%–70% of total sales. It has ISO9001:2008 and other certifications, more than 10 production lines, 26 years of R&D engineer experience, 50 quality-control staff, and stated annual production of 10 million angular-contact ball-bearing sets. The evidence supports strong manufacturing breadth, R&D specialization, and international operating experience. However, the provided information does not sufficiently establish after-sales service capability, financial credibility, customization performance, or specific customer cases.

Supplier typeThe supplier is explicitly identified as a manufacturer and operates as a limited company in Henan, China. Its stated business includes research, development, production, and sales of bearing products and related equipment.

CertificationsThe supplier reports holding an ISO9001:2008 certificate and other certifications. This provides explicit evidence of management-system certification, although the details and current validity of the additional certifications are not specified.

R&D capabilityThe supplier is described as a high-tech enterprise focused on high-end, precise, advanced, unique, and non-standard bearings. It conducts R&D on precision and special bearings, spindles, testing equipment, and materials, with 26 years of R&D engineer experience and involvement in industry standards, supporting a strong innovation profile.

Production capacityThe supplier has 708 employees, more than 10 production lines, and a broad product portfolio spanning special, precision, medium/large, sliding, and bearing-related products. It also reports annual production of 10 million angular-contact ball-bearing sets, providing explicit evidence of substantial production capability.

Customization capabilityThe supplier explicitly develops high-end, non-standard bearing products and serves key units across various national economic fields. This indicates capability to address specialized product requirements, but the slices do not provide specific examples of customer-customized projects or verified customization performance.