
7007/DB/DF/DT_NTN 7007/DB/DF/DT進口軸承
NTN 7007/DB/DF/DT軸承,角接觸球軸承1,此軸承型號本公司有現貨,獲取軸承內圈,外圈更多詳細資料您可致電我司,NTN 7007/DB/DF/DT配合安裝尺寸,基本尺寸,滾子粒數,7007/DB/DF/DT價格,外形尺寸,錐度,軸承的圖紙、樣品、價格或者替換產品等!我們是NTN軸承最佳代理商,所售產品均為原裝正品,請您放心購買! 訂購電話:0512-62658883
7007/DB/DF/DT軸承 結構尺寸參數
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系列角接觸球軸承1
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型號7007/DB/DF/DT
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Boundarydimensions mm- d
- D
- B
- ·B
- rsmin2
- r1smin2
- 35
- 62
- 14
- 28
- 1
- 0.6
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Basic load ratings
- dynamic
- static
- dynamic
- static
- kN
- kgf
- Cr
- Cor
- Cr
- Cor
- 17.5
- 12.6
- 1,790
- 1,280
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Limiting speeds
- rpm
- grease
- oil
- 12,000
- 16,000
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Bearing numbers
- 7007
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Load center
- mm
- a
- 21
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Mass
- kg
- single
- .approx.
- 0.18
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Basic load ratings
- dynamic
- static
- dynamic
- static
- (duplex) kN
- (duplex) kgf
- Cr
- Cor
- Cr
- Cor
- 28.5
- 25.1
- 2,900
- 2,560
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Limiting speeds
- (duplex)
- rpm
- grease
- oil
- 9,400
- 13,000
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Bearing numbers2
- DB
- DF
- DT
- DB
- DF
- DT
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Abutment and fillet dimensions
mm
- da
- db
- Da
- Db
- ras
- r1as
- min
- min
- max
- max
- max
- max
- 40.5
- 40.5
- 56.5
- 57.5
- 1
- 0.6
- 角接觸球軸承1系列 7007/DB/DF/DT圖片

7007/DB/DF/DT軸承 屬分離型軸承,軸承內、外圈均具有錐形滾道,滾子為圓臺形。滾子與滾道為線接觸,可承受較重的徑向和軸向聯合負荷,也可承受純軸向負荷。接觸角越大,軸向承載能力越高。圓錐滾子的設計應使滾子與內外滾道的接觸線延長后交于軸承軸線上同一點,以實現純滾動。新設計的圓錐滾子軸承采用加強型結構,滾子直徑加大,滾子長度加長,滾子數目增多,采用帶凸度滾子,使軸承的承載能力和疲勞壽命顯著提高。滾子大端面與大擋邊之間采用球面與錐面接觸,改善了潤滑。