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Tapered Roller Bearing
Created with Pixso. GQZ 4T-6379-6320 Single Row Inch Tapered Roller Bearing 114.3×168.275×41.275mm Separable Assembly For Heavy Vehicle Shafts

GQZ 4T-6379-6320 Single Row Inch Tapered Roller Bearing 114.3×168.275×41.275mm Separable Assembly For Heavy Vehicle Shafts

Brand Name: GQZ
Model Number: 4T-6379-6320
MOQ: 100.PCS
Price: 46$
Delivery Time: 5 working days
Payment Terms: T/T,Western Union,Paypal,MoneyGram
Detail Information
Place of Origin:
CHINA
Certification:
ISO9001/ISO14001/GJB9001
Size:
140*300*90mm
Load Direction:
Radial Bearing
Cage:
Steel, Brass, Nylon
Number:
28579
Speed Rating:
Up To 10,000 RPM Depending On Size
Feature:
High Speed Low Noise
Outside Diameter:
76.2mm
Supply Type:
OEM / Aftermarket / Replacement
Other Name:
Ball Roller Bearing
Structure:
Tapered Roller Bearing
Stock Quantity:
65.pcs
Noise Level:
Z1 Z2 Z3 Z0
Seals Type:
RS
Oem Service:
Available
Current Model:
TTSV150~TTSV640, TTSX150~TTSX800
Packaging Details:
Standard Carton Box
Supply Ability:
1000.pcs / Month
Highlight:

Single Row Tapered Roller Bearing 114.3mm

,

Inch Tapered Roller Bearing Heavy Vehicle

,

Separable Tapered Roller Bearing Shafts

Product Description
1. Product Overview

4T-6379-6320 is single row separable inch-size tapered roller bearing. It consists of inner cone assembly 6379 and outer cup 6320. Tapered contact surfaces can bear radial load and unidirectional axial load simultaneously. Separable design facilitates installation, disassembly and preload adjustment. Widely used for heavy truck, trailer and engineering machinery transmission assemblies.

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

2. Technical Specifications
Model 4T-6379-6320
Dimensions d=114.3 mm, D=168.275 mm, T=41.275 mm
Net weight approx 3.42 kg
Dynamic load rating Cr 208 kN
Static load rating Cor 286 kN
Limiting speed Grease 2200 rpm, Oil 2900 rpm
Structure Single row tapered rollers, separable cone (6379) & cup (6320), complete 4T set
Material GCr15 bearing chrome steel, stamped steel cage
Clearance Standard factory preset clearance, customized clearance available

Complete dimension drawings and load data available on request.

3. Core Advantages
  1. Standard inch series 4T combination, perfect interchangeability for overseas aftermarket vehicle parts
  2. Tapered raceway structure withstands radial force and one-way axial thrust load at the same time
  3. Separable cone and cup support independent fitting and flexible preload adjustment
  4. Precision superfinished roller surface reduces friction heat and running noise during continuous operation
  5. Mature matched set 6379 inner with 6320 outer, stable performance under heavy load
  6. Customizable options: OEM laser marking, high temperature grease, special clearance grades
    Effectively reduce roller fatigue wear and extend service life of vehicle transmission assemblies.
4. Application Scenarios
  • Heavy-duty truck, semi-trailer wheel hub and drive axle assemblies
  • Medium construction machinery rotary transmission components
  • Large agricultural machinery gearboxes and power output shafts
  • Mining transport vehicle supporting structures
  • General inch-standard equipment with mixed radial and axial load requirements
5. Why Choose GQZ Bearing
  • 25 years professional manufacturer of tapered roller bearings
  • Products exported to over 50 countries worldwide
  • Strict inspection on raw material hardness, roller surface finish, load capacity and rotational smoothness before delivery
  • 24-hour professional technical support for clearance selection and installation guidance
  • Sufficient bulk stock for automotive, engineering and machinery distributors
  • We supply stable dimensional accuracy, reliable mixed-load performance and long-term cooperative support.
6. Quality Control Process
  • GCr15 raw material chemical composition and hardness inspection
  • Complete quenching & tempering heat stabilization treatment
  • Precision superfinishing grinding for inner cone, outer cup and roller surfaces
  • Stamped cage forming and deburring processing
  • Full dimension tolerance, static & dynamic load and rotational performance testing
7. Request Quotation

If you need 4T-6379-6320 inch tapered roller bearings:

Send inquiry to obtain below supports:

  • Quick formal quotation within 24 hours
  • Professional preload adjustment suggestion for different working conditions
  • Custom lubrication and marking solutions
  • Competitive factory direct price
    Contact our sales team for full technical datasheets and formal offer.

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GQZ 4T-6379-6320 Single Row Inch Tapered Roller Bearing 114.3×168.275×41.275mm Separable Assembly For Heavy Vehicle Shafts GQZ 4T-6379-6320 Single Row Inch Tapered Roller Bearing 114.3×168.275×41.275mm Separable Assembly For Heavy Vehicle Shafts GQZ 4T-6379-6320 Single Row Inch Tapered Roller Bearing 114.3×168.275×41.275mm Separable Assembly For Heavy Vehicle Shafts
8. FAQ
Q1: What does 4T-6379-6320 mean?
4T means complete bearing set; 6379 stands for inner cone, 6320 represents outer cup.
Q2: Main dimensions of 4T-6379-6320?
114.3×168.275×41.275 mm, inch size single row tapered roller bearing.
Q3: What loads can this bearing bear?
It can withstand radial load and one-way axial thrust load simultaneously.