What materials are used for the bearings?

Materials include GCr15, 9Cr18, G20CrMo, or other custom options.

What are the payment terms?

We accept LC and T/T payment terms.

What is the lead time for orders?

The average lead time is one month for both peak and off-peak seasons.

High Quality Cylindrical Roller Bearings Nnu4920K for Generator

Name: High Quality Cylindrical Roller Bearings Nnu4920K for Generator
Brand: Luoyang Bearing Research Institute Co., Ltd.
SKU: 767259325

Henan, ChinaLuoyang Bearing Research Institute Co., Ltd.

US$10.00-20.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Rolling Body

Roller Bearings

The Number of Rows

Double

Model NO.

NNU4920K

Outer Dimension

Small and Medium-Sized (60-115mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Radial Bearing

Separated

Roller Bearings

Precision Cylindrical Roller Bearings

Breadth

40mm

Inner Diameter

10mm

Accuracy Grade

P4/P2/P5

Sealing Type

Seal or Not

Outer Diameter

140mm

Load Rating

Cr:129kn Cor:255

Limiting Speed

Grease:5300r/Min Oil:6300r/Min

Weight

Abou1.86kg

Axial Clearance

0.98mm

Transport Package

Cases and Pallets

Specification

dimension for Cylindrical Roller Bearing

Trademark

ZYS

Origin

Luoyang, Henan, China

Production Capacity

10000000PCS/Year

Key features

High Capacity and Rigidity: Line contact design offers higher load capacity and rigidity than angular contact ball bearings.

Double Row Structure: Double row cylindrical roller bearings designed for medium to large scale machine tools.

Precision Accuracy Grades: Available in P4, P2, and P5 accuracy grades for high-precision applications.

Oil Lubrication Groove: Outer ring features circumferential oil groove and three symmetric lubricant holes for oil lubrication.

High-Speed Capability: Limiting speed up to 6300r/min with oil lubrication and 5300r/min with grease.

ISO 9001 Certified: Manufacturing process certified under GB/T19001-2000 and ISO9001:2000 standards.

OEM and ODM Services: Full OEM and ODM services available with 26 R&D engineers supporting customization.

Premium Bearing Steel: Constructed from high-quality materials including GCr15, 9Cr18, and G20CrMo.

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: ≤3.55h 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.