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Zys Self-Aligning Roller Bearing/ Spherical Roller Bearing 21320W33 with Heavy Load
US$9.50-20.00
1 Piece
Sample price:US$9.00/piece.Request sample

Product profile

Customization

Available

Breadth

90mm

Inner Diameter

170mm

Model NO.

21320W33

Rated Load

Cr:865kn Cor:1420kn

Weight

17.2kg

Outer Diameter

260mm

Rolling Body

Roller Bearings

The Number of Rows

Double

Outer Dimension

Medium and Large(120-190mm)

Material

Bearing Steel

Spherical

Aligning Bearings

Load Direction

Radial Bearing

Separated

Separated

Transport Package

Cases and Pallets or as Customer's Requirment

Specification

customized

Trademark

ZYS

Origin

Luoyang, Henan, China

Key features

Heavy Load Capacity: Designed for continuous casting, mining, and wind turbines with high radial and axial load resistance.
Self-Aligning Feature: Compensates for coaxiality errors with two rows of rollers for superior stability.
High Precision Ratings: Available in P0, P5, P6, P4, and P2 precision grades for diverse industrial needs.
Diverse Clearance Options: Offers C0 through C5 clearance levels to match specific operating conditions.
Multiple Cage Materials: Available in Brass, Nylon, and Steel cages for different speed and temperature requirements.
ISO 9001 Certified: Manufacturing process and quality control certified under ISO 9001:2008 standards.
Customizable Packaging: Supports neutral, industrial, commercial, and custom OEM packaging designs.
OEM and Logo Services: Accepts custom LOGO, design, and package requirements for OEM orders.

Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1995-09-02 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.66h 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.

Product Q&A

Q:Are you a trading company or manufacturer?
A:
ZYS is a bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.
Q:How do you control quality of bearing?
A:
ZYS has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.
Q:What is the MOQ?
A:
It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q:How about the package?
A:
Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.
Q:How long is the delivery time?
A:
It will take about 10 to 40 days, depends on the model and quantity.

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