한국소재(주)-OILLESS BEARING-KOB
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HANKOOK Material Co., Ltd.


Tel : +82-32-817-4497


Email : kob@kob21.com

    • Company
    • History
    • Technology Status
    • Company Performance
    • Location
    • OILLESS BEARING
    • CAST PARTS
    • Copper Alloy
    • KOB1
    • KOB5
    • KOB7
    • KOB AB
    • Notice
    • News Items
    • FAQ
    • Q&A
    • E-book
  • Technic article

    HANKOOK Material Co., Ltd. prides itself on its advanced technology through decades of accumulated technology and continuous R & D and investment.

KOB7

HOME > KOB7

Technical DATA
Technical DATA Introduction

  • KOB1
  • KOB5
  • KOB7
  • KOB AB

Office


Contact us : kob@kob21.com


  • Tel+82-32-817-4497
  • Fax+82-32-816-8566

FEATURE

  • BEARS HIGHER LOADS THAN THE KOB5.
  • DEMONSTRATES SUPERIOR WEAR RESISTANCE UNDER HIGH-LOAD AND LOW-SPEED APPLICATIONS.
Service range
Lubrication condition Dry periodic lubrication
Service temperature range °C -40~+150
Allowable max. pressure P N/mm2 120(150)
Allowable max. velocity V m/s 0.10 0.25
Allowable max. PV value N/mm2․ m/s 1.65 3.25

The values in parentheses are static allowable pressures, which are the allowable bearing pressures when accompanied with no sliding or accompanied with sliding at quite low speed not more than 0.0017 m/s [0.1 m/min.].

Mechanical properties
Specific gravity – 7.8
Tensile strength N/mm2 833
Elongation % 2
Compressive strength N/mm2 490
Hardness HB 260
Modules of longitudinal elasticity N/mm2 127,000
Co-efficient of linear expansion X 10-5 ℃-1 1.8

The values shown above are typical values, not the standard values.

Technical DATA
Technical DATA Introduction

  • KOB1
  • KOB5
  • KOB7
  • KOB AB

Office


Contact us : kob@kob21.com


  • Tel+82-32-817-4497
  • Fax+82-32-816-8566

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HANKOOK MATERIAL Cp., Ltd  Namdong Complex 38B-10L, 626-9, Namchon-Dong, Namdong-Gu, Incheon, Korea TEL : 032-817-4497   FAX : 032-816-8566   E-Mail : hkm@kob21.com
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