Wholesale Double Row Deep Groove Ball Bearing Suppliers & Supplier

Premium OEM/ODM Manufacturing, High-Precision EMQ Standards & Globally Integrated Industrial Supply Chain Solutions

Double Row Deep Groove Ball Bearings: Industry Guide

A comprehensive analysis of design capabilities, supply chain sourcing, and E-E-A-T criteria for global procurement managers.

1. Unparalleled Radial & Axial Load Capability

Double row deep groove ball bearings correspond in design and structure to a pair of single row deep groove ball bearings. They feature uninterrupted deep raceway grooves that are closely osculated with the rolling balls. This specific geometry allows them to carry substantial radial loads as well as axial loads in both directions. For applications where a single row bearing is insufficient, or when radial load requirements exceed space limitations, double row bearings offer a highly reliable and compact solution.

2. Enhanced Rigidity & Design Efficiency

By arranging two rows of balls within a single outer and inner ring, these bearings exhibit high rigidity, minimizing misalignment and axial play. This design optimization is critical for machinery running at moderate-to-high speeds where axial stability directly influences the product lifespan. The integration of high-grade polyamide or pressed steel cages guarantees uniform ball spacing, low operating temperature, and reduced friction torque.

Information Gain Insight: Unlike standard single-row bearings, double row configurations are engineered with a specific internal radial clearance (often optimized to C3 or C4 classifications) that balances thermal expansion with high running precision. When sourcing from direct-factory suppliers, procurement officers must verify the steel chemistry (e.g., GCr15 / AISI 52100 high carbon chromium steel) and the tempering cycles to ensure structural stability up to operating temperatures of 120°C (248°F).

China's Sourcing Advantage: The Cixi Bearing Cluster

Sourcing from Cixi City—an esteemed industrial powerhouse on Hangzhou Bay—grants buyers unmatched structural benefits. The local industrial ecosystem integrates all segments of bearing production: wire rod treatment, precision cold forging, heat treatment under controlled atmosphere, automated grinding, and assembly. This concentration of raw material processors, cage manufacturers, and specialized grease suppliers significantly reduces logistics waste and production cycle delays.

Additionally, VETOR Group’s strategic geographic location facilitates direct dispatch from either Shanghai Port or Ningbo Port. As two of the world's most active deepwater terminals, they provide frequent maritime routes, streamlined customs clearance, and reduced inland transportation costs. This proximity enables us to guarantee standard delivery cycles of 7 to 20 days, giving our global partners a decisive competitive advantage in market responsiveness.

Global Procurement Strategies & Quality Metrics

Global procurement teams must look beyond unit price to determine the Total Cost of Ownership (TCO). Key metrics to request from potential wholesale ball bearing suppliers include:

  • Vibration and Noise Levels (EMQ Rating): Electric Motor Quality (EMQ) bearings are tested using instruments like the BVT or Anderometer to measure vibration acceleration (dB/dB) and velocity (µm/s). Look for Z3V3 or Z4V4 classifications for quiet machinery.
  • Sealing Efficiency: Compare dual-lip synthetic rubber seals (2RS) for harsh environments against low-friction metal shields (ZZ) for high-speed, clean environments.
  • Fatigue Life (L10 Life): Inquire about dynamic and static load ratings (Cr and Cor) to calculate calculated lifetime under load.
2005
Year Established
ISO9001
Quality Assurance Certified
30+
Countries Exported To
6-90mm
Inner Ring Bore Range

Company Profile

VETOR GROUP: Delivering global excellence in mechanical components and precision bearings since 2005.

VETOR GROUP was founded in 2005. We are a comprehensive foreign trade group specializing in import and export operations. Our company is located in Cixi City, a vibrant economic hub in China, on the bank of the fertile and scenic Hangzhou Bay. Thanks to our strategic location, we enjoy close proximity to two of China's largest ports—Shanghai Port and Ningbo Port—as well as easy access to Hangzhou Xiaoshan International Airport and Ningbo Lishe International Airport, both only about a 90-minute drive away. This offers exceptionally convenient transportation and logistics advantages.

We specialize in supplying a wide range of products including Motorcycle Parts, Auto Parts, ATVs, Dirt Bikes, Bicycles, and Related Components. Committed to exceeding customer expectations, we provide diverse, high-quality products and services to help our clients thrive in a highly competitive global market. All our products are exported worldwide, and our operations are certified to the ISO9001 international standard.

VETOR GROUP Office and Headquarters

VETOR GROUP Manufacturing Facility

Our in-house factory is dedicated to producing high-precision, low-noise EMQ grade bearings.

We specialize in the production of deep groove ball bearings and EMQ grade bearings, with inner ring dimensions ranging from 6mm to 90mm. We place a strong emphasis on brand development, ensuring that our VETOR brand bearings deliver exceptional operational metrics.

01

Low Noise & Friction

Engineered for minimal noise, vibration, and friction, maximizing energy efficiency across systems.

02

High Precision & Sealing

Equipped with state-of-the-art contact seals to retain lubricants and reject environmental contaminants.

03

Operational Stability

Provides consistent performance under high dynamic loads, guaranteeing a long service life.

04

Quiet Operation

Absolute absence of abnormal sound, certified through advanced frequency screening tests.

Factory Tour

A visual insight into our advanced manufacturing processes, machinery lines, and quality control departments.

VETOR Factory Grinding Line
Automated Bearing Assembly Facility
Vibration and Noise Quality Testing Room
Bearing Raceway Superfinishing Line
Precision Internal Grinding Process
Automatic Ball Loading Machine
Polishing and Cleaning Line
Visual Defect Inspection System
Final Packaging and Labeling Section

Quality Certificates

Rigorous adherence to international standards ensuring safety, performance, and complete traceabilty.

VETOR ISO9001 Certificate Document
Compliance Certification Doc 2
Industrial Safety Standards Certificate
Factory Audit Certification Document
SGS Testing Compliance Certificate

Company Exhibition

Connecting with clients globally at top automotive, hardware, and engineering trade fairs.

VETOR Exhibition Booth Presentation 1
Global Trade Fair Display 2
Automotive Parts Fair Exhibition 3

Product Categories

Explore our extensive portfolio of high-grade bearings and custom mechanical parts.

Precision Deep Groove Ball Bearings

Bearings

Motorcycle Parts Supply Chain

Motorcycle Parts

Automotive Spare Parts and Components

Auto Parts

All-Terrain Vehicle ATV Components

ATV

Off-Road Dirt Bike High Performance Parts

Dirt Bike

Bicycle and Associated Frame Components

Bicycle And Parts

Our Services & Logistics Standards

We are dedicated to providing top-quality bearings, responsive service, fast delivery, and highly competitive pricing.

Quick Response

Our technical sales team is available from 8:00 to 17:00 every Monday to Saturday to offer immediate engineering support and quotation dispatch.

Support Customization

Comprehensive OEM / ODM partnerships are available. We tailor internal tolerances, clearances, grease grades, and outer/inner dimensions.

On-time Delivery

We deliver all customized and bulk wholesale batches in strict accordance with the contractual timeline, supported by Ningbo and Shanghai ports.

Our Core Product Categories In Detail

Learn more about our technical and application specifications across our core offerings.

01

Bearings: Precision Engineering for Diverse Applications

Our VETOR brand bearings include deep groove ball bearings and EMQ grade bearings (6mm-90mm) engineered for exceptional performance. Featuring low-noise operation and high-temperature resistance, they are ideal for automotive applications, industrial machinery, agricultural equipment, and medical devices. These long-life precision bearings offer superior sealing and reliability in demanding environments.

02

Motorcycle Parts: Reliable Components for Enhanced Performance

We manufacture durable motorcycle components including chain drive systems, braking components, and engine parts. Our corrosion-resistant exhaust systems and precision suspension components ensure optimal performance for both street and off-road motorcycles, meeting OEM quality standards.

03

Auto Parts: Quality Components for Vehicle Maintenance

Our automotive spare parts range includes cooling system components, steering and suspension parts, and transmission components. These OEM-quality auto parts undergo strict quality control for perfect compatibility and extended service life in passenger and commercial vehicles.

04

ATV Parts & Dirt Bike Components

We provide heavy-duty ATV parts including suspension systems, drive train components, and protective body armor. In parallel, our motocross performance parts feature lightweight frame components, high-performance exhaust systems, and professional suspension kits designed to withstand extreme riding conditions.

05

Go-Kart & Bicycle Parts

From precision go-kart chassis components, braking systems, and drive train parts designed to meet professional racing standards, to lightweight bicycle frame components, precision gear systems, and weather-resistant drivetrains for cycling enthusiasts.

Why Choose Us as Your Trusted Supplier?

A comprehensive overview of our institutional capacity, technology investments, and supply capabilities.

R&D

Technical R&D Capabilities

✓ Expert Team & Patents: Our in-house R&D team at TaiYa Bearing focuses on innovation, holding multiple patents in bearing design and manufacturing processes.
✓ Material Expertise: We work with high-grade steel, chrome, and ceramic materials to ensure product reliability and performance.
✓ Custom Solutions: We offer tailored designs, including custom dimensions, seals, and tolerances to meet specific application requirements.
QC

Stringent Quality Control

✓ ISO9001 Certification: All manufacturing processes adhere to international standards, ensuring consistency and reliability.
✓ Comprehensive Testing: We conduct rigorous checks for noise, vibration, durability, and precision using advanced equipment.
✓ Material Traceability: From raw material sourcing to final assembly, we maintain full traceability to guarantee quality.
OEM

Flexible Customization & OEM Services

✓ Low MOQ: Minimum order quantity as low as 1,000 pieces for most products to support standard purchasing cycles.
✓ OEM/ODM Support: We offer custom branding, packaging, and design modifications to align with your market needs.
✓ Rapid Prototyping: Sample development within 7–10 days for quick client validation.
LOG

Global Logistics & Fast Delivery

✓ Strategic Location: Our proximity to Shanghai Port and Ningbo Port ensures efficient shipping and reduced lead times.
✓ Short Delivery Cycles: Standard orders delivered within 7–20 days; expedited options available.
✓ Worldwide Export: Products shipped to over 30 countries, including Europe, the Middle East, South America, and Africa.
VAL

Competitive Pricing & Cost Savings

✓ Factory-Direct Pricing: By eliminating middlemen, we offer highly competitive rates without compromising quality.
✓ Bulk Discounts: Attractive pricing models built to optimize margins on large-volume orders.

Applications & Industry Solutions

Where high-performance mechanical components and double row bearings are deployed globally.

Automotive & Motorsports

Double row ball bearings provide enhanced wheel stability in cars, motorcycles, ATVs, and off-road dirt bikes. Their dual-row architecture handles critical sideload forces during vehicle cornering, mitigating bearing fatigue.

Industrial Machinery & Agriculture

Textile mills, agricultural seeders, and material handling systems demand robust bearings to minimize downtime. In these environments, our sealed double row bearings prevent dust and plant residue from entering the raceway.

Home Appliances & Smart Equipment

Electric fans, HVAC air handlers, and vacuum cleaners benefit directly from EMQ (Electric Motor Quality) bearings. Superior internal raceway polishing keeps vibration decibel levels at near-silent margins.

Medical & Sports Equipment

From hospital diagnostic machines to professional gym cardio lines, low-friction operation ensures reliable mechanical movements and patient safety. Full compliance with material traceability standards is always guaranteed.

Global Compliance & Regional Importation Logistics

Operating as an international exporter since 2005, VETOR Group understands that regulatory compliance is just as critical as mechanical tolerance. Our wholesale operations support regional imports across different zones:

  • European Union (RoHS & REACH): All bearings and automotive components are manufactured with non-hazardous materials, satisfying strict environmental directives regarding heavy metals and chemical stabilizers.
  • South America (e.g., Brazil's Siscomex regulations): We supply comprehensive commercial invoices, certificates of origin, and bill of lading documents structured to facilitate rapid customs clearance.
  • The Middle East (SABER, SASO): We collaborate with accredited testing labs to supply required certificates for hassle-free imports into Saudi Arabia, the UAE, and neighboring states.

By coordinating with leading global freight forwarders, we handle FOB, CIF, DDP, and DAP agreements, minimizing transaction risks for the purchaser.

Frequently Asked Questions (FAQ)

Expert insights on selecting, sourcing, and maintaining double row deep groove ball bearings.

Q1: What are the primary advantages of Double Row Deep Groove Ball Bearings compared to single row versions?
Double row deep groove ball bearings offer significantly higher load-carrying capacity (both radial and axial loads) due to the presence of a second row of rolling balls. They correspond in design to a pair of single row bearings but require less axial space. They are used when the load rating of a single row bearing is insufficient, or when radial load requirements are combined with complex axial thrust loads in both directions.
Q2: How does VETOR Group ensure the "EMQ Grade" quality of its bearings?
Electric Motor Quality (EMQ) requires extremely low noise, vibration, and friction. Our facility uses GCr15 high-carbon chromium steel, automated superfinishing lines, and 100% vibration inspection on Anderometer/BVT testers. This filters out noise anomalies, ensuring suitability for high-speed household appliances, fans, and electric motors.
Q3: What customized options are available for industrial OEMs?
We support complete OEM/ODM modifications, including custom internal clearances (e.g., C3, C4 for high-temperature thermal expansion), specialized sealing solutions (like 2RS, ZZ, or low-friction RZ seals), custom grease options (Kyodo Yushi, Mobil, Shell), and custom laser-etching/branded packaging.
Q4: What are the transit and logistics advantages of sourcing from Cixi?
Cixi sits in close proximity to Ningbo Port and Shanghai Port, two of China's primary shipping hubs. This strategic placement translates directly to lower inland freight fees, shorter lead times to loading docks, and rapid customs clearance. Standard orders are completed and dispatched within 7–20 days.
Q5: Do your products conform to European RoHS and REACH standards?
Yes. All materials utilized in VETOR bearings, including cages, rubber seals, and lubricants, are fully compliant with RoHS and REACH standards. We maintain full material traceability documents to guarantee trouble-free clearance in strict European and North American jurisdictions.

Contact Our Technical Sales Team

Have a technical inquiry, custom dimensions drawing, or need a bulk price quotation for our double row ball bearings? Contact our Cixi office. We welcome direct factory visits.

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