What is the limiting speed of the bearings?

The limiting speed ranges from 4300 to 6300 r/min depending on the specific model.

What are the payment terms?

Payment terms include LC (Letter of Credit) and T/T (Telegraphic Transfer).

Zys Good Performance Sealed Ceramic Angular Contact Ball Bearings B71934-71944c/AC-2rz/HQI

Name: Zys Good Performance Sealed Ceramic Angular Contact Ball Bearings B71934-71944c/AC-2rz/HQI
Brand: Luoyang Bearing Research Institute Co., Ltd.
SKU: 733868745

Henan, ChinaLuoyang Bearing Research Institute Co., Ltd.

US$10.00-1,000.00

1 Piece

Product profile

Customization

Available

Contact Angle

15 / 25

Separated

Model NO.

B71934-71944C/AC-2RZ/HQI

Load Direction

Thrust Bearing

Material

Bearing Steel

Ball Bearing

Sealed Angular Contact Ceramic Ball Bearings

Outer Diameter

230-300mm

Load Rating

P4/P2/P5

Sealing Type

Sealed or Not

Inner Diameter

170-220mm

Breadth

28-38mm

Loading Rating

Cr:57.7-79.6kn Cor:86.8-131.5kn

Limiting Speed

4300-6300r/Min

Weight

About3.07-7.47kg

Rolling Body

Ball Bearings

The Number of Rows

Single

Outer Dimension

Large (200-430mm)

Transport Package

Cases and Pallets or as Customer's Requirment

Specification

high quality

Trademark

ZYS

Origin

Luoyang, Henan, China

HS Code

8482260

Production Capacity

40000/Month

Key features

Sealed Ceramic Design: Sealed angular contact ceramic ball bearings ensuring durability and performance.

Customizable Specifications: Customizable outer diameter (230-300mm), inner diameter (170-220mm), and load rating.

High Load Capacity: Dynamic load rating Cr: 57.7-79.6kN and static load rating Cor: 86.8-131.5kN.

Premium Material Options: Available in GCr15, 9Cr18, G20CrMo, or other specialized bearing steels.

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

Certified Quality: Certified under ISO9001:2000, GJB/Z9001A-2001, and GJB9001A-2001 standards.

High Limiting Speed: Limiting speed up to 6300 r/min for high-performance spindle applications.

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: ≤5.61h 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.