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Wuxi Guangqiang Bearing Trade Co.,Ltd

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China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case
China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case

  1. China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case
  2. China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case
  3. China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case
  4. China GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case

GQZ 4T-LM503349/LM503310 Inch Tapered Roller Bearing 45.987×74.976×18mm Case

  1. MOQ: 100.PCS
  2. Price: Negotiation
  3. Get Latest Price
Innerring Tapered
Source China Cheap Tapered Roller Bearings
Vibration And Noise Z0V0 / Z1V1 / Z2V2 / Z3V3
Operating Temper -25°C ~ +120°C
Free Sample Available
Color Black, Grey, White, Red, Green
Supply Ability 1000.pcs / Month
Loadtype Radial and Axial Load
Number 40KW01
Seals Type OPEN ZZ 2RS
Feature Low Noise. Long Life
Width 9mm - 150mm
Mountingtype Press Fit or Slip Fit
Number Of Row Single Row,Double Row
Series Qw Series
Stock Great Supplying Ability
Dimensions 25590/25520 25590/20
Outside stardard size
Bearing ZKLF2068-2RS
Port SHANGHAI/NINGBO
Certifiexcavatore ISO/TS16949
Oil Rotation Speed 56000
Limited Speed 3950RPM
Warranty 12 Months
Delivery 1~15days
Internal Diameter 5
The Whole Volume 0.0263 CBM
Vibration Level Code V1,V2.V3
Material Chrome Steel
Sample Available Available
Delivery Time 5 working days
Factory Type Trade+ factory
Load Direction Radial Bearing
Vibration Level Z1V1 Z2V2 Z3V3
Other Number 90368-34001
Noise Level Z1,Z2
Payment Terms T/T,,Paypal,
Hs Code 8482200000
Appliion General industrial transmission systems
Precison P4
Type Taper Roller Bearing
Grease Lubriion 750 R/min
Operatingtemperaturerange -30°C to +120°C
Product Tapered roller bearing
Payment Term T/T,paypal,
Parameters 70x125x24 mm
External Form Change K, W33
Weight 3.5 KG
Trade Terms FOB,CFR,CIF,EXW
Lubriion Grease or Oil
Sample Avaliable
Separated Separated
Package Cartons,Netural packing
Rolling Body Roller Bearings
Dimension 40*80*24.75mm
Inch 69,85x116,98x63,88
Speedrating High Speed Capability
Dynamicloadrating Varies by size (e.g., 10kN - 500kN)
Bearingtype Rolling Element Bearing
Mass 1.00KG
Certifiion ISO9001/ISO14001/GJB9001
Innerdiameter 10mm - 500mm
Seal With Seals
Packing Customer Requirement
Rows Number Single
Outside Diameter 76.2 mm
Main Material High Carbon Chromium Steel
Bore Size 34.925 mm
Lead Time Stock or 15-30days
Precisiongrade P0, P6, P5, P4, P2
Outer Diameter 80 mm
Materila Gcr15 Chrome steel
Thickness 21mm
Packaging Details Standard Carton Box
Certifiexcavatorion ISO9001:2008
Noise Z1, Z2, Z3, Z4
Other Materials Available
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Roller Bearing Type inch bearing
Specifiion Open, Z, ZZ, RZ, 2RZ, RS, 2RS
Bearing Width 64.5 mm
Service OEM service/ customized service
Precision P0, P5, P6
Model Number 4T-LM503349/LM503310
Place of Origin CHINA
Brand Name GQZ

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  1. Product Details
  2. Company Details

Product Specification

Innerring Tapered Source China Cheap Tapered Roller Bearings
Vibration And Noise Z0V0 / Z1V1 / Z2V2 / Z3V3 Operating Temper -25°C ~ +120°C
Free Sample Available Color Black, Grey, White, Red, Green
Supply Ability 1000.pcs / Month Loadtype Radial and Axial Load
Number 40KW01 Seals Type OPEN ZZ 2RS
Feature Low Noise. Long Life Width 9mm - 150mm
Mountingtype Press Fit or Slip Fit Number Of Row Single Row,Double Row
Series Qw Series Stock Great Supplying Ability
Dimensions 25590/25520 25590/20 Outside stardard size
Bearing ZKLF2068-2RS Port SHANGHAI/NINGBO
Certifiexcavatore ISO/TS16949 Oil Rotation Speed 56000
Limited Speed 3950RPM Warranty 12 Months
Delivery 1~15days Internal Diameter 5
The Whole Volume 0.0263 CBM Vibration Level Code V1,V2.V3
Material Chrome Steel Sample Available Available
Delivery Time 5 working days Factory Type Trade+ factory
Load Direction Radial Bearing Vibration Level Z1V1 Z2V2 Z3V3
Other Number 90368-34001 Noise Level Z1,Z2
Payment Terms T/T,,Paypal, Hs Code 8482200000
Appliion General industrial transmission systems Precison P4
Type Taper Roller Bearing Grease Lubriion 750 R/min
Operatingtemperaturerange -30°C to +120°C Product Tapered roller bearing
Payment Term T/T,paypal, Parameters 70x125x24 mm
External Form Change K, W33 Weight 3.5 KG
Trade Terms FOB,CFR,CIF,EXW Lubriion Grease or Oil
Sample Avaliable Separated Separated
Package Cartons,Netural packing Rolling Body Roller Bearings
Dimension 40*80*24.75mm Inch 69,85x116,98x63,88
Speedrating High Speed Capability Dynamicloadrating Varies by size (e.g., 10kN - 500kN)
Bearingtype Rolling Element Bearing Mass 1.00KG
Certifiion ISO9001/ISO14001/GJB9001 Innerdiameter 10mm - 500mm
Seal With Seals Packing Customer Requirement
Rows Number Single Outside Diameter 76.2 mm
Main Material High Carbon Chromium Steel Bore Size 34.925 mm
Lead Time Stock or 15-30days Precisiongrade P0, P6, P5, P4, P2
Outer Diameter 80 mm Materila Gcr15 Chrome steel
Thickness 21mm Packaging Details Standard Carton Box
Certifiexcavatorion ISO9001:2008 Noise Z1, Z2, Z3, Z4
Other Materials Available Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Roller Bearing Type inch bearing Specifiion Open, Z, ZZ, RZ, 2RZ, RS, 2RS
Bearing Width 64.5 mm Service OEM service/ customized service
Precision P0, P5, P6 Model Number 4T-LM503349/LM503310
Place of Origin CHINA Brand Name GQZ
High Light GQZ 4T tapered roller bearing 45.987×74.976×18mmCase hardened steel tapered roller bearingSeparable cone & cup roller bearing
1. Product Overview

4T-LM503349/LM503310 follows NTN standard designation:

  • 4T: NTN 4-Top series, case hardened steel (surface hardened, tough core, superior impact resistance)
  • LM503349 = inner cone assembly
  • LM503310 = outer cup, fully separable structure

Single row imperial tapered roller bearing, capable of carrying combined heavy radial load and unidirectional axial thrust. Normally installed in opposed paired arrangement to withstand bidirectional axial forces. Open design enables convenient disassembly, inspection and periodic re-lubriion. Widely fitted on vehicle wheel hubs, agricultural tractors, harvesting machinery, light construction equipment and medium-load reduction gear assemblies.

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

2. Technical Specifiions
Model
4T-LM503349/LM503310
Dimensions
d45.987 mm, D74.976 mm, T18 mm
Inner ring width B
18 mm
Outer ring width C
14 mm
Net weight
approx 0.41 kg
Structure
Single row tapered roller bearing
Material
Case hardened bearing steel, pressed steel cage
Cross reference
Interchangeable with Timken LM503349/LM503310

Complete dimension drawings and load data available on request.

3. Core Advantages
  1. 4T 渗碳表面硬化钢材:表层高硬度耐磨,芯部韧性强,抗冲击,抗过载能力优于全淬透轴承
  2. 可分离内锥外圈结构,拆装维护便捷,允许单独更换损坏组件
  3. 同时承受较大径向载荷与单向轴向载荷,适配交变冲击工况
  4. 标准英制尺寸,可直接对标 Timken 同型号实现全球设备互换
  5. 优化滚子轮廓,降低边缘应力,控制温升,延长持续运行寿命
  6. Customizable: OEM laser marking, heavy-duty EP grease, P6 precision grade
4. Appliion Scenarios
  • Light & medium commercial vehicle wheel hub assemblies
  • Agricultural tractor axles, harvester transmission units
  • Light construction machinery and conveyor drive positions
  • Industrial medium-duty gear reducers and pump supporting shafts
  • Rotary equipment subjected to vibration and alternating impact loads
5. Why Choose GQZ Bearing
  • 25 years professional bearing manufacturer, products exported globally.
  • Strict raw material hardness & carburizing layer inspection for 4T specifiion.
  • 24-hour technical support for inch series cross-reference confirmation.
  • Ample stock for machinery distributors.
  • Precise dimensions and stable service performance.
6. Quality Control Process
  • Carburizing heat treatment depth & hardness inspection
  • Precision superfinishing for raceways and tapered rollers
  • Contact angle and dimensional tolerance testing
  • Rotational smoothness and noise inspection
7. Request Quotation

If you need 4T-LM503349/LM503310 tapered roller bearings:

  • Quick quotation within 24 hours
  • Interchange model technical suggestion
  • Competitive factory direct price

Contact our sales team for full datasheets and formal offer.

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8. FAQ
Q1: Suffix & prefix explanation
4T = NTN 渗碳表面硬化钢系列;LM503349 = inner cone;LM503310 = outer cup.
Q2: Main dimensions of 4T-LM503349/LM503310?
45.987×74.976×18 mm single row inch tapered roller bearing.
Q3: 4T material advantage
Surface hardening: wear-resistant surface + tough core, better shock resistance for vehicle & farm machinery.

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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Get in touch with us

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

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