• ްƽȴҸ λھֻѡ 2019-10-21
  • ϻ˼ Ҽ ߲ һ 2019-10-03
  • ĴԹ񾯰ʦѧ 2019-09-01
  • ɱΪǮҵ˾װ 2019-08-20
  • Ҳѵصķۡʮһƽ׵ķӡ 2019-08-19
  •  


    Ȧ

    Needle Roller Bearings without Inner Ring

    NA49...2RSϵ


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    RNA49..RS RNA49..2RS ߴ غ ת
    Shaft ܷͺ ˫ܷͺ Mass Dimensions Basic Load Ratings Limiting
    Diameter Designation Designation   d F D C B r   Cr   Cor Speed
    with Sealed with Sealed Dynamic Static
    mm on one side on both sides g min. kN kN rpm
    10 NA 4900.RS NA 4900.2RS 24.5 10 14 22 13 14 0.3 8.0 8.4 13000
    12 NA 4901.RS NA 4901.2RS 27.5 12 16 24 13 14 0.3 8.4 9.2 12000
    15 NA 4902.RS NA 4902.2RS 37.0 15 20 28 13 14 0.3 10.0 12.4 10000
    17 NA 4903.RS NA 4903.2RS 40.0 17 22 30 13 14 0.3 10.8 14.0 9000
    20 NA 4904.RS NA 4904.2RS 80.0 20 25 37 17 18 0.3 15.7 18.7 7500
    25 NA 4905.RS NA 4905.2RS 89.5 25 30 42 17 18 0.3 19.0 23.2 6500
    30 NA 4906.RS NA 4906.2RS 104.0 30 35 47 17 18 0.3 20.3 26.4 5500
    35 NA 4907.RS NA 4907.2RS 175.0 35 42 55 20 21 0.6 26.8 39.8 4800
    40 NA 4908.RS NA 4908.2RS 252.0 40 48 62 22 23 0.6 35.5 54.9 4200
    45 NA 4909.RS NA 4909.2RS 290.0 45 52 68 22 23 0.6 39.9 60.9 3900
    50 NA 4910.RS NA 4910.2RS 295.0 50 58 72 22 23 0.6 40.1 68.4 3500
    60 NA 4912.RS NA 4912.2RS 290.0 60 68 85 25 26 1.0 55.6 95.5 2800
    ˵
    1.лغתٺѡο
    2.ʱתΪֵ30%
    Note:
    1.These load, speed and mass is reference of choice only.  
    2.With an effective oil supply, the limiting speed can be increased by about 30%.

  • ްƽȴҸ λھֻѡ 2019-10-21
  • ϻ˼ Ҽ ߲ һ 2019-10-03
  • ĴԹ񾯰ʦѧ 2019-09-01
  • ɱΪǮҵ˾װ 2019-08-20
  • Ҳѵصķۡʮһƽ׵ķӡ 2019-08-19
  • 3Ф6 ְţţйɲ nba2kolʮʵԱ Ϻʱʱ鿪ѯ ȷֱ ѺСõıͶ pkʰ׬ɹʽ 㶫ʱʱ11ѡ忪ѯ 2017pk10ֱƵ