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Wuxi Guangqiang Bearing Trade Co.,Ltd

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China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone
China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone

  1. China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone
  2. China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone
  3. China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone
  4. China GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone

GQZ J90354/748 Tapered Roller Bearing J90354/J90748 90×190×50.8mm Separable Cone

  1. MOQ: 100.PCS
  2. Price: Negotiation
  3. Get Latest Price
Supply Ability 1000.pcs / Month
Model LM12749
Row Number Double Row
Features high speed
Speed 8700 RPM-12000RPM
Row Type single
Type Rolling Bearing
Delivery Time 5 working days
Outside Size 100 mm
Designation NJ205EM
Payment Terms T/T,,Paypal,
Quality Standard ISO9001:2008
Lubriion Grease or Oil
Appliion General industrial transmission systems
Precision P0 P6 P5 P4 P2
Certifiion ISO9001/ISO14001/GJB9001
Dimension 40x80x32mm
Material High Carbon Chrome Steel
Packaging Details Standard Carton Box
Oil Lubriion 1800R/min
Model Number J90354/48
Brand Name GQZ
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability 1000.pcs / Month Model LM12749
Row Number Double Row Features high speed
Speed 8700 RPM-12000RPM Row Type single
Type Rolling Bearing Delivery Time 5 working days
Outside Size 100 mm Designation NJ205EM
Payment Terms T/T,,Paypal, Quality Standard ISO9001:2008
Lubriion Grease or Oil Appliion General industrial transmission systems
Precision P0 P6 P5 P4 P2 Certifiion ISO9001/ISO14001/GJB9001
Dimension 40x80x32mm Material High Carbon Chrome Steel
Packaging Details Standard Carton Box Oil Lubriion 1800R/min
Model Number J90354/48 Brand Name GQZ
Place of Origin CHINA
High Light J90354 tapered roller bearing 90x190x50.8mmseparable cone cup bearing assemblytapered roller bearing J90354 J90748
1. Product Overview

J90354/748 (Full marking: J90354/J90748) is J-series single row tapered roller bearing.

This assembly consists of separable inner cone J90354 and outer cup J90748. The cone assembly with rollers and cage can be mounted separately from the outer ring, convenient for installation, inspection and maintenance.

It withstands combined radial load and one-way axial load. Optimized tapered roller contact geometry delivers strong shock resistance and heavy load capacity. Widely applied on heavy-duty vehicle drive assemblies, construction machinery, mining equipment, industrial reducers and low-speed heavy rotary machinery.

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

2. Technical Specifiions
Model
J90354/748 (J90354 / J90748)
Dimensions
d90 mm, D190 mm, T50.800 mm
Cone width B
46.038 mm
Cup width C
31.750 mm
Net weight
approx 6.0 kg
Structure
Single row tapered roller bearing, separable cone + cup
Material
GCr15 bearing steel, pressed steel cage
Basic dynamic load Cr
383000 N
Basic static load C0r
392000 N
Limiting speed (grease)
1700 rpm
Complete dimension drawings and load data available on request.
3. Core Advantages
  1. Separable cone and cup design simplifies assembly, disassembly and routine maintenance
  2. Excellent capacity to bear combined radial and single-direction axial thrust loads
  3. Optimized roller contact surface reduces stress concentration, improves shock resistance
  4. Standard J series dimension, fully interchangeable with international mainstream brands
  5. Stable performance under low-speed heavy load and intermittent impact working conditions
  6. Customizable: OEM laser marking, extreme pressure grease, different precision tolerance
4. Appliion Scenarios
  • Heavy-duty trucks, commercial vehicle axle and transmission components
  • Excavators, loaders and other construction machinery rotary units
  • Mining equipment, quarry machinery and heavy conveyor systems
  • Low-speed heavy industrial gearboxes and speed reduction assemblies
  • Large agricultural machinery and off-road heavy equipment transmission parts
5. Why Choose GQZ Bearing
  • 25 years professional bearing manufacturer, products exported globally.
  • Precision grinding for tapered raceways and rollers, strict contact pattern inspection.
  • Complete dimensional verifiion for J series metric tapered roller bearings.
  • 24-hour technical support for preload adjustment and installation guidance.
  • Ample stock for machinery distributors.
  • Precise dimensions and stable service performance.
6. Quality Control Process
  • GCr15 raw material quenching & tempering hardness inspection
  • Precision superfinishing for tapered raceways and rollers
  • Contact trace, internal clearance and rotational smoothness testing
  • Dimension tolerance and surface appearance defect inspection
7. Request Quotation

If you need J90354/748 tapered roller bearings:

Send inquiry to obtain below supports:

  • Quick quotation within 24 hours
  • Interchangeable bearing cross reference service
  • Competitive factory bulk price
    Contact our sales team for full datasheets and formal offer.
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8. FAQ
Q1: Model explanation
J90354 = inner cone assembly; J90748 = outer cup; abbreviated marking J90354/748.
Q2: Main dimensions of J90354/748?
90×190×50.8 mm single row tapered roller bearing.
Q3: Installation tip
Proper preload adjustment is required during assembly to maximize service life.

Company Details

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,

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 and 

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 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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