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Wuxi Guangqiang Bearing Trade Co.,Ltd

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China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°
China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°

  1. China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°
  2. China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°
  3. China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°
  4. China GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°

GQZ 3306 BD.XL.2ZC3 Double Row Angular Contact Ball Bearing 30×72×30.2mm 30°

  1. MOQ: 100.PCS
  2. Price: Negotiation
  3. Get Latest Price
Stock Large
Package Original Package
Service OEM service/ customized service
Sample Available Available
Delivery Time 5 working days
Certifiexcavatorion ISO9001:2008
Bearing ZKLF2068-2RS
Payment Terms T/T,,Paypal,
Free Sample Available
Weight 3.19 kg
Speedrating High Speed Capability
Supply Ability 1000.pcs / Month
Type Rolling Element Bearing
Loadtype Radial and Axial Loads
Noise Z1, Z2, Z3, Z4
Precison P4
Precisiongrade ABEC 1 to ABEC 9 or ISO P0 to P4
Packaging Details Standard Carton Box
Materila Gcr15 Chrome steel
Model Number 3306 BD.XL.2ZC3
Brand Name GQZ
Certification ISO9001/ISO14001/GJB9001
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Stock Large Package Original Package
Service OEM service/ customized service Sample Available Available
Delivery Time 5 working days Certifiexcavatorion ISO9001:2008
Bearing ZKLF2068-2RS Payment Terms T/T,,Paypal,
Free Sample Available Weight 3.19 kg
Speedrating High Speed Capability Supply Ability 1000.pcs / Month
Type Rolling Element Bearing Loadtype Radial and Axial Loads
Noise Z1, Z2, Z3, Z4 Precison P4
Precisiongrade ABEC 1 to ABEC 9 or ISO P0 to P4 Packaging Details Standard Carton Box
Materila Gcr15 Chrome steel Model Number 3306 BD.XL.2ZC3
Brand Name GQZ Certification ISO9001/ISO14001/GJB9001
Place of Origin CHINA
High Light Double Row Angular Contact Ball Bearing 30×72×30.2mmAngular Contact Ball Bearing Double Metal Shield30° Contact Angle Ball Bearing C3 Clearance
1. Product Overview

3306 BD.XL.2ZC3 is double row angular contact ball bearing (FAG standard designation: 3306-BD-XL-2Z-C3).

  • BD: Optimized internal geometry, 30° contact angle, no filling notch
  • XL: X-life upgraded design, higher load rating and extended service life
  • 2Z: Double-sided non-contact metal dust shields
  • C3: Increased internal radial clearance

Built-in back-to-back raceway layout, capable of supporting combined radial load and bidirectional axial load simultaneously. Compact structure replaces paired single row angular contact bearings and saves axial installation space. Double metal shields prevent dry dust ingress and retain internal grease. Widely used on industrial gearboxes, centrifugal fans, pump shafts, textile machinery, agricultural equipment and medium-high speed rotary assemblies.

Formal quotation will be sent within 24 hours upon your inquiry.

2. Technical Specifications
Parameter Value
Model 3306 BD.XL.2ZC3
Dimensions d30 mm, D72 mm, B30.2 mm
Net weight approx 0.55 kg
Structure Double row angular contact ball bearing
Contact angle 30°
Material GCr15 bearing steel; glass fiber reinforced polyamide cage (TVH standard)
Sealing 2Z double-sided non-contact stamped steel shield
Clearance class C3 (larger than normal group)
Basic dynamic load Cr 43000 N
Basic static load C0r 29500 N

Complete dimension drawings and load data available on request.

3. Core Advantages
  1. 30° large contact angle provides powerful bidirectional axial bearing capacity
  2. XL X-life optimized internal design improves fatigue resistance and service life
  3. Integral double row structure saves space vs two single row matched bearings
  4. 2Z non-contact metal shields suit medium-high speed dry & slightly dusty environments
  5. C3 enlarged clearance adapts to operating temperature rise and thermal expansion
  6. Standard ISO metric dimension for direct aftermarket interchange
  7. Customizable: OEM laser marking, high-temperature grease, P5/P6 precision grade
4. Application Scenarios
  • Medium-duty industrial gearboxes and reduction drive assemblies
  • Centrifugal fans, blowers and water pump main shafts
  • Textile machinery, printing and packaging rotary equipment
  • Agricultural machinery and light construction transmission units
  • Medium-high speed rotary equipment subjected to alternating axial forces
5. Why Choose GQZ Bearing

25 years professional bearing manufacturer, products exported globally.

Strict raw material inspection and precision superfinishing process.

Strict clearance classification control for C3 specification consistency.

24-hour technical support for suffix & model cross reference.

Ample stock for machinery distributors.

Precise dimensions and stable service performance.

6. Quality Control Process

GCr15 raw material quenching & tempering treatment

Precision superfinishing for raceways and steel balls

Internal clearance grouping & contact angle inspection

Dimension tolerance and rotational vibration testing

7. Request Quotation

If you need 3306 BD.XL.2ZC3 double row angular contact ball bearings:

Send inquiry to obtain below supports:

  • Quick quotation within 24 hours
  • Open type / 2RS rubber sealed alternative consultation
  • Competitive factory direct price
    Contact our sales team for full datasheets and formal offer.
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8. FAQ
Q1: Suffix full explanation
BD = 30° contact angle, improved internal design without filling slot;
XL = X-life long-life upgraded version;
2Z = double-sided non-contact metal dust shield;
C3 = increased internal clearance.
Q2: Main dimensions of 3306 BD.XL.2ZC3?
30×72×30.2 mm double row angular contact ball bearing.
Q3: 2Z vs 2RS difference
2Z metal shield: lower friction, suitable for high speed, only dust-proof;
2RS rubber seal: better moisture & splash protection, limited maximum speed.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    1989

  • Total Annual:

    1000000-10000000

  • Employee Number:

    10~100

  • Ecer Certification:

    Verified Supplier

  Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...   Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...

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  • Wuxi Guangqiang Bearing Trade Co.,Ltd
  • No. 650 North Xingyuan Road, Beitang District, Wuxi, China.
  • https://www.ball-rollerbearing.com/

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