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滾針軸承

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實體套圈滾針軸承是一種斷面高度小承載能力高的軸承。由于外圉硬度高,即使是輕合金軸承座,也可以應用自如。這種軸承可提供公制及英制二個系列產品,各系列都有帶保持架、滿針型及密封型三種結構。此外,實體套圈滾針軸承可分帶內圈或不帶內圈兩種,不帶內圈者以心軸作為滾道面,使體積變得更小。   無內圈的滾針軸承 NK 、 NKS 、 RNA49 、 RNA69 、 RNAO 系列,其滾針直接在徑淬火并磨削的軸上滾動。無內圈滾針軸承結構緊湊。如果軸的加工精確將提高整個軸承的旋轉精度。無擋邊和無內圈的,滾針軸承 RNAO 其外圈和滾針組不能互換。

有內圈雙列滾針軸承

軸承型號外形尺寸
(mm)
額定載荷
KN
極限轉(轉、分)重量
kg
新標準舊標準dDB動態(tài)靜態(tài)
NA4900A452490010221380069000237000.05
NA4901A452490112241350476352200000.03
NA4902A452490215281364479053188000.07
NA4903A452490317301370101001017000O.08
NA4904A4524904203717119121659416200O.09
NA4905A45249052542171345220475138320.10
NA4906A45249063047172500035500130000.11
NA4907A45249073555201980041500111340.18
NA4908A4524908406222310366387385670.27
NA4909A452490945682237000965008052O.29
NA4910A4524910507222410007200075260.32
NA4911A4524911558025506009658071560.45
NA4912A45249126085255280011050060220.48
NA4913A4524913659025575001105006022O.52
NA4914A45249147010030790001540051110.825
NA4915A4524915751053082000158000511172
NA4916A452491680110308100017050051111.12
NA4917A4524917851203511100023700046001.39
NA4918A4524918901253511400025000044001.43
NA4919A4524919951303511600026000042001.62
NA4920A45249201001404012000027400040002.05
NA4922A45249221101504013200029000037002.08
NA4924A45249241201654518100089000034002.46
NA4926A45249261301805022300047000031002.48
NA4928A45249281401905020900050000029003.12


無內圈滾針軸承

軸承型號外形尺寸
mm
額定載荷
KN
極限轉(轉、分)重量
kg
新標準舊標準FwDC動態(tài)靜態(tài)脂潤滑
RNA4900A462490014221380609000183220.02
RNA4901A462490116241364008900155220.02
RNA4902A46249022028131080012800127160.04
RNA4903A46249032230131200016800163000.05
RNA4904A46249042537171191216594140600.06
RNA4905A46249053042171345220475120660.06
RNA4906A46249063547171700030500120000.08
RNA4907A4624907425520198004150087100.10
RNA4908A462490848622231036638738120O.12
RNA4909A4624909526822370006950076250.18
RNA4910A4624910587222410007200075000.17
RNA4911A4624911638025506009658063400.26
RNA4912A4624912688525528009105061000.28
RNA4913A46249137590255750011050061000.30
RNA4914A462491480100307900015400051300.46
RNA4915A4624915851053082001580005130.51
RNA4916A462491690110308100017050049270.51
RNA4917A462491710012030980002070004600O.68
RNA4918A4624918105125359850023900040000.75
RNA4919A46249191101303511200024500038700.72
RNA4920A46249201151404012000026400037101.15
RNA4922A46249221251504012400027000033501.24
RNA4924A462492413516545117400038600029201.80
RNA4926A4624926150180502.12
RNA4928A46249281601905020000046000029002.86


無內圈雙列滾針軸承

軸承型號外形尺寸
mm
額定載荷
KN
極限轉(轉、分)重量
kg
新標準舊標準FwDC動態(tài)靜態(tài)脂潤滑
RNA69006354900142222828111612183220.03
RNA690163549011624221400018600155220.03
RNA690263549022028231300025000127160.04
RNA690363549032230231400019900163000.04
RNA69046354904253730260004300014060O.11
RNA690563549053042302630031750120660.11
RNA69066354906354730350006700012000O.13
RNA69076354907425536260006050087100.19
RNA69086354908486240640001120008120O.26
RNA690963549095268406150012350076250.29
RNA691063549105872506800013500075000.31
RNA691163549116380458256017200063400.41
RNA691263549126885458850018600061000.49
RNA691363549137290458760019450061000.58
RNA69146354914801005412100026300051300.86
RNA69156354915851055412800027200051300.94
RNA69166354916901105413050028060049270.99
RNA691763549171001206316100033700046001.20
RNA69186354918105125631740003800040001.33
RNA691963549191101306319600040000038701.46


有內圈雙列滾針軸承

軸承型號外 形 尺 寸
(mm)
額定載荷極限轉(轉、分)重量
kg
新標準舊標準FwBC動態(tài)靜態(tài)脂潤滑
NA69006254900102222828111612237000.05
NA690162549011224221164717052200000.08
NA690262549021528231310020900188000.12
NA690362549031730231440024900170000.17
NA690462549042037302250038400144000.17
NA690562549052542301930031750138320.19
NA690662549063047304350071000130000.2
NA690762549073555362600060500111340.34
NA690862549084062406400011200085670.51
NA690962549094568406150012350080520.54
NA691062549105072406800013500075260.59
NA691162549115580458256017200071560.78
NA69126254912608545885001860006022O.83
NA691362549136590458760019450060220.88
NA69146251914701005412100026300051111.42
NA691562534915751055412800027200051111.47
NA69166254916801105413050028060050001.67
NA69176254917851206316600040000046001.98
NA69186254918901256317200042500044002.32
NA69196254919951306317400044000042002.67

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