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Wuxi Guangqiang Bearing Trade Co.,Ltd

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China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable
China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable

  1. China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable
  2. China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable
  3. China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable
  4. China GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable

GQZ NA12581SW Single Row Inch Tapered Roller Bearing NA12581SW/K38985 Separable

  1. MOQ: 100.PCS
  2. Price: Negotiation
  3. Get Latest Price
Loadtype Radial and Axial
Packing Original Packaging
Vibration And Noise Z0V0 / Z1V1 / Z2V2 / Z3V3
Port SHANGHAI/NINGBO
Free Sample Available
Feature Low Noise. Long Life
Rolling Body Roller Bearings
Bore Size 34.925 mm
Delivery Time 5 working days
Grease Lubriion 750 R/min
Package Cartons,Netural packing
Bearing ZKLF2068-2RS
Warranty 12 Months
Outer Diameter 320mm
Noise Z1, Z2, Z3, Z4
Service OEM service/ customized service
Speedrating High Speed Capability
Other Number 90368-34001
Seals Type OPEN ZZ 2RS
Type Rolling Element Bearing
Specifiion Open, Z, ZZ, RZ, 2RZ, RS, 2RS
Materila Gcr15 Chrome steel
Precision P0 P6 P5 P4
Rows Number Single
Precison P4
Delivery 1~15days
Number Of Row Single Row,Double Row
The Whole Volume 0.0263 CBM
Payment Terms T/T,,Paypal,
Precisiongrade ABEC 1 to ABEC 9 or ISO P0 to P4
Factory Type Trade+ factory
Hs Code 8482102000
Supply Ability 1000.pcs / Month
Vibration Level Code V1,V2.V3
Load Direction Radial Bearing
Vibration Level Z1V1 Z2V2 Z3V3
Width 14 mm
Appliion General industrial transmission systems
Innerring Tapered
Certifiexcavatore ISO/TS16949
Certifiexcavatorion ISO9001:2008
Operating Temper -25°C ~ +120°C
Certifiion ISO9001/ISO14001/GJB9001
Weight 1.45kg.
Color Black, Grey, White, Red, Green
Stock 735 PCS
Lubriion Grease or Oil
Payment Term T/T,paypal,
Oil Rotation Speed 56000
Other Materials Available
Noise Level Z1,Z2
Sample Available Available
Outside stardard size
Packaging Details Standard Carton Box
Model Number NA12581SW/K38985
Place of Origin CHINA
Brand Name GQZ

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  1. Product Details
  2. Company Details

Product Specification

Loadtype Radial and Axial Packing Original Packaging
Vibration And Noise Z0V0 / Z1V1 / Z2V2 / Z3V3 Port SHANGHAI/NINGBO
Free Sample Available Feature Low Noise. Long Life
Rolling Body Roller Bearings Bore Size 34.925 mm
Delivery Time 5 working days Grease Lubriion 750 R/min
Package Cartons,Netural packing Bearing ZKLF2068-2RS
Warranty 12 Months Outer Diameter 320mm
Noise Z1, Z2, Z3, Z4 Service OEM service/ customized service
Speedrating High Speed Capability Other Number 90368-34001
Seals Type OPEN ZZ 2RS Type Rolling Element Bearing
Specifiion Open, Z, ZZ, RZ, 2RZ, RS, 2RS Materila Gcr15 Chrome steel
Precision P0 P6 P5 P4 Rows Number Single
Precison P4 Delivery 1~15days
Number Of Row Single Row,Double Row The Whole Volume 0.0263 CBM
Payment Terms T/T,,Paypal, Precisiongrade ABEC 1 to ABEC 9 or ISO P0 to P4
Factory Type Trade+ factory Hs Code 8482102000
Supply Ability 1000.pcs / Month Vibration Level Code V1,V2.V3
Load Direction Radial Bearing Vibration Level Z1V1 Z2V2 Z3V3
Width 14 mm Appliion General industrial transmission systems
Innerring Tapered Certifiexcavatore ISO/TS16949
Certifiexcavatorion ISO9001:2008 Operating Temper -25°C ~ +120°C
Certifiion ISO9001/ISO14001/GJB9001 Weight 1.45kg.
Color Black, Grey, White, Red, Green Stock 735 PCS
Lubriion Grease or Oil Payment Term T/T,paypal,
Oil Rotation Speed 56000 Other Materials Available
Noise Level Z1,Z2 Sample Available Available
Outside stardard size Packaging Details Standard Carton Box
Model Number NA12581SW/K38985 Place of Origin CHINA
Brand Name GQZ
High Light Single Row Tapered Roller Bearing NA12581SWInch Tapered Roller Bearing Heavy Impact ResistanceSeparable Cone And Cup Tapered Bearing
1. Product Overview

NA12581SW/K38985 is imperial standard single row tapered roller bearing.

  • NA12581SW: Inner cone assembly; SW suffix means chamfer design on cone front face for lubriion passage
  • K38985: Matching single outer cup

Separable cone & cup construction enables independent installation, disassembly and inspection. It can withstand combined heavy radial load and unidirectional axial thrust. Normally installed in opposed paired layout to support bidirectional axial forces. Open design supports periodic re-lubriion maintenance. Widely used on special engineering machinery, heavy transport equipment, mining auxiliary units and custom heavy-duty rotary transmission assemblies.

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

2. Technical Specifiions
Model
NA12581SW/K38985
Dimensions
d=20.638 mm (0.8125 inch), D=76.2 mm (3.000 inch), T=48.42 mm
Inner ring width B
24.211 mm
Outer ring width C
20.638 mm
Net weight
approx 1.40 kg
Structure
Single row tapered roller bearing
Material
GCr15 bearing chrome steel, pressed steel cage
Structural feature
Separable cone and cup
Reminder
Cross reference to Timken inch series; please confirm interchange dimension before replacement
Additional Data
Complete dimension drawings and load data available on request.
3. Core Advantages
  1. SW chamfered cone structure improves lubricant flow, reduces edge stress and extends service life
  2. Separable cone & cup design simplifies maintenance and component replacement
  3. Robust roller geometry provides excellent shock resistance under variable heavy loads
  4. Carries heavy radial load together with substantial single-direction axial load simultaneously
  5. Standard imperial dimension matching overseas special equipment aftermarket
  6. Customizable: OEM laser marking, heavy-duty extreme pressure grease, P6 precision grade
4. Appliion Scenarios
  • Special construction machinery and custom heavy engineering equipment
  • Mining auxiliary transport and crushing supporting assemblies
  • Heavy-duty off-road vehicle transmission and hub positions
  • Steel plant auxiliary rotary equipment and large reduction gear units
  • Low-to-medium speed machinery under alternating impact loads
5. Why Choose GQZ Bearing
  • 25 years professional bearing manufacturer, products exported globally.
  • Strict raw material inspection and precision superfinishing process.
  • Professional support for inch series model cross reference verifiion.
  • 24-hour technical consultation for interchange confirmation.
  • 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 raceways and tapered rollers
  • Cone chamfer geometry and surface roughness inspection
  • Dimension tolerance, contact angle and rotational performance testing
7. Request Quotation

If you need NA12581SW/K38985 tapered roller bearings:

Send inquiry to obtain below supports:

  • Quick quotation within 24 hours
  • Cross-model interchange technical verifiion
  • Competitive factory direct price

Contact our sales team for full datasheets and formal offer.

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8. FAQ
Q1: Model composition explanation
NA12581SW = inner cone assembly; K38985 = outer cup.
Q2: Main dimensions of NA12581SW/K38985?
20.638×76.2×48.42 mm single row inch tapered roller bearing.
Q3: SW suffix function
Chamfer on cone front face, forming lubriion channel to improve lubriion efficiency.

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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  • 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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