Are these bearings suitable for CNC machines?

Yes, they are widely used in CNC machine tools, carving machines, and high-speed spindles.

Can you produce non-standard bearings?

Yes, we can design and produce bearings with custom structures, preload, and angles.

How are the bearings transported?

Transportation is primarily by sea, as specified in the customization options.

High-Speed Electric Spindle Bearings Angular Contact Ball Bearing 7309b

Name: High-Speed Electric Spindle Bearings Angular Contact Ball Bearing 7309b
Brand: Cixishi Chengben Bearing Co., Ltd.
SKU: 2206674805

Zhejiang, ChinaCixishi Chengben Bearing Co., Ltd.

US$0.01-5.00

50 Sets

Sample price:US$0.00/set.Request sample

Product profile

Contact Angle

Aligning

Non-Aligning Bearing

Separated

Unseparated

Model NO.

7309B

Rows Number

Single

Load Direction

Radial Bearing

Material

Bearing Steel

Tolerance

P6 &P5 &P4 &P4s &P2

Seals

Open & 2RS &2rz

Transportation

by Sea

Transport Package

Industrial Packing or Single Box Packing

Specification

45*100*25mm

Trademark

CooU / OEM

Origin

China

HS Code

8482102000

Production Capacity

30000 PCS/Month

Key features

High Precision Tolerances: Available in P6, P5, P4, P4S, and P2 tolerance grades for ultra-precision applications.

Wide Contact Angle Options: Offers 15, 25, 30, and 40-degree contact angles to suit various load requirements.

Customizable Seals: Seals can be customized as Open, 2RS, or 2rz based on specific operational needs.

Versatile Cage Materials: Features Bakelite, Copper, and Polyamide Resin cages for different speed and load conditions.

High-Speed Performance: Designed for high-speed electric spindles with limiting speeds up to 130,000 rpm.

Broad Application Scope: Ideal for machine tools, CNC machines, robotics, automotive gearboxes, and compressors.

Multiple Bearing Configurations: Provides SU/DU, DB/DF/DT, and other arrangements for complex structural needs.

Extensive Size Range: Covers 70, 72, 73, 718, and 719 series with dimensions from 4mm to 200mm.

Company profile

Cixishi Chengben Bearing Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤7.00h

AI-Powered supplier vetting

SummaryCixishi Chengben Bearing Co., Ltd. is identified as a China-based manufacturer/factory in Cixi, Zhejiang, specializing in ball bearings for motor, textile machinery, automotive, and industrial applications. Its stated capabilities include high-precision, low-noise, high-speed, and long-life deep-groove bearings, supported by process controls, full-process inspection, automated vibration and noise testing, manual noise testing, and appearance inspection. The supplier lists multiple bearing series and non-standard products, indicating a broad product range. It states that it provides professional bearing solutions and after-sales service, and reports exports to numerous countries. However, the provided information does not establish formal certifications, financial strength, dedicated innovation resources, customization performance, or independently verified customer cases.

Supplier typeThe supplier is described as both a manufacturer/factory and a professional bearing manufacturer, with a stated industrial address in Cixi, Zhejiang, China. Although one slice categorizes associated companies as wholesale and retail and calls the company a trading company, the manufacturer/factory classification and detailed production descriptions provide explicit evidence of manufacturing activity.

After-Sales capabilityThe supplier explicitly states that after-sales service is part of its work and presents itself as providing professional bearing solutions. However, no details are provided on service personnel, response times, warranty terms, repair processes, or service coverage.

R&D capabilityThe supplier states that it devotes effort to developing high-precision, low-noise, high-speed, and long-life bearings and has built a bearing brand. This supports product-development intent and technical positioning, but there is no evidence of patents, R&D facilities, engineering staff, new-product output, or verified technological achievements.

Production capacityThe supplier is identified as a manufacturer/factory offering numerous bearing categories and series, including deep-groove, motor, wheel hub, stainless steel, pillow block, flange, and non-standard bearings. It describes scientific and efficient production, full-process inspection, 100% inner-diameter inspection, roundness detection, automated vibration/noise testing, manual noise testing, and appearance inspection before packing, providing explicit evidence of production and quality-control capability.

Customization capabilityThe product information includes non-standard bearings and a non-standard series, which indicates that the supplier offers at least some non-standard product scope. The slices do not explicitly confirm engineering customization, drawing-based production, tooling development, minimum-order flexibility, or customer-specific technical support.

Client casesThe supplier states that its bearings are exported to a broad list of countries, and one trade record associates the company with Meera Industries Limited and a textile-machine bearing product. These are explicit market and transaction references, but they do not provide detailed project outcomes, repeat-order evidence, customer testimonials, or independently verified case studies.