What is the reference speed of this bearing?

The reference speed is 5800 1/min.

What are the main applications for this bearing?

Applications include Autos, Textiles, Pumps, Machine tools, and Precise machinery.

What payment terms do you accept?

We accept T/T, L/C, D/P, D/A, OA, PayPal, and Western Union.

3307-2RS Metric Size Double Row Angular Contact Ball Bearing

Name: 3307-2RS Metric Size Double Row Angular Contact Ball Bearing
Brand: Changzhou Huari Steel Ball Co., Ltd.
SKU: 770336835

Jiangsu, ChinaChangzhou Huari Steel Ball Co., Ltd.

US$3.50

1-199 Pieces

US$3.25

200-999 Pieces

US$3.20

1,000-4,999 Pieces

US$3.15

5,000-9,999 Pieces

US$3.10

10,000+ Pieces

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Contact Angle

45°

Aligning

Non-Aligning Bearing

Model NO.

3307-2RS

Separated

Unseparated

Rows Number

Double

Load Direction

Thrust Bearing

Material

Bearing Steel

Bearing Type

Double Row Angular Contact Ball Bearing

Bearing No.

3307-2RS

Bearing Size

35X80X34.9 mm

Bearing Material

Chrome Steel (AISI52100, 100cr6, Gcr15...)

Bearing Structure

Inner Ring, Outer Ring, Cage, Steel Balls, Seals

Bearing Feature

Contact Angle Is 30 Degree

Bearing Quality

Abec-1, Abec-3, Abec-5

Bearing Samples

Free for Testing Before Order

Bearing H.S Code

8482103000

Bearing Application

Autos, Machine Tooling, Gear Box, Pumps...

Transport Package

Individual Box Packing or Bulk Packing

Specification

ISO, SGS, RoHS

Trademark

STWB, SUHUA

Origin

Jiangsu Province, China

HS Code

8482103000

Production Capacity

10, 000PCS/Month

Key features

Double Row Angular Contact: 3307-2RS bearing with 45-degree contact angle for thrust load applications.

High Load Capacity: Basic load rating of 55000N (Cr) and 36500N (Cor) for durability.

OEM & Customization: OEM service available with customization options from samples or designs.

Free Sample Testing: Free samples available for testing before placing a formal order.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 system with 7 QA/QC inspectors.

Chrome Steel Material: Made from AISI52100, Gcr15, or 100Cr6 chrome steel for precision.

Flexible Payment Terms: Accepts T/T, L/C, D/P, D/A, OA, PayPal, and Western Union.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedExhibition Experience

Changzhou Huari Steel Ball Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.79h

AI-Powered supplier vetting

SummaryChangzhou Huari Steel Ball Co., Ltd. is a limited company and a manufacturing-and-trading group focused on steel balls, bearings, bicycle and electrical bicycle parts, and industrial tools. The supplier reports two production plants, more than 400 production equipment sets, 60 testing equipment sets, written procedures for finished-product inspection, corrective actions, and customer complaints, and valid import/export licensing. It provides OEM, ODM, and broad customization services, with new products reported in the past year. Export experience is stated as 15 years, with 51%–70% of sales from exports. However, the evidence does not establish certifications, financial strength, or specific customer cases. It also lacks an overseas warehouse, overseas showroom, and SDK availability. Overall, the supplier demonstrates documented operational, customization, export, and service capabilities, but several requested areas remain unverified.

Supplier typeThe supplier is identified as a limited company and a trade company located in Wujin District, Changzhou, while its description states that it combines innovation, manufacturing, and trading and operates two production plants. This indicates a manufacturing-and-trading business structure rather than a purely trading entity.

After-Sales capabilityThe supplier reports clear procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. These records provide explicit evidence of a structured after-sales issue-resolution process.

R&D capabilityThe supplier reports R&D capability, new products within the past year, 3D software design services, ODM availability, and a history of innovation and manufacturing. However, it does not have an available SDK; this limits evidence for SDK-based development but does not negate the broader documented innovation capability.

Production capacityThe supplier reports valid manufacturing-capacity contracts with associated subcontractors, inventory capability, multiple specialized facilities, standardized finished-product inspection instructions, two production plants, more than 400 production equipment sets, and 60 testing equipment sets. It also holds a valid import/export license and has 15 years of export experience, supporting substantial operational capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, ODM services, and OEM services for popular brands. The range of stated services provides direct evidence of broad customization capability.