7021/DB/DF/DT_NTN 7021/DB/DF/DT進口軸承
NTN 7021/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 7021/DB/DF/DT配合安裝尺寸,基本尺寸,滾子粒數,7021/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
7021/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7021/DB/DF/DT
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Boundarydimensions mm- d
- D
- B
- ·B
- rsmin2
- r1smin2
- 105
- 160
- 26
- 52
- 2
- 1
-
Basic load ratings
- dynamic
- static
- dynamic
- static
- kN
- kgf
- Cr
- Cor
- Cr
- Cor
- 80.0
- 81.5
- 8,150
- 8,350
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Limiting speeds
- rpm
- grease
- oil
- 4,100
- 5,500
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Bearing numbers
- 7021
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Load center
- mm
- a
- 51.5
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Mass
- kg
- single
- .approx.
- 1.86
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Basic load ratings
- dynamic
- static
- dynamic
- static
- (duplex) kN
- (duplex) kgf
- Cr
- Cor
- Cr
- Cor
- 130
- 163
- 13,300
- 16,700
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Limiting speeds
- (duplex)
- rpm
- grease
- oil
- 3,300
- 4,400
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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
- 115
- 115
- 150
- 154.5
- 2
- 1
- 角接觸球軸承1系列 7021/DB/DF/DT圖片
7021/DB/DF/DT軸承 一．軸承：(一)滾動軸承總論1.滾動軸承rollingbearing在支承負荷和彼此相對運動的零件間作滾動運動的軸承，它包括有滾道的零件和帶或不帶隔離或引導件的滾動體組。可用于承受徑向、軸向或徑向與軸向的聯合負荷。2.單列軸承singlerowbearing具有一列滾動體的滾動軸承。3.雙列軸承doublerowbearing具有兩列滾動體的滾動軸承。4.&n