NTN7220/DB/DF/DT轴承
- 轴承型号：7220/DB/DF/DT
- 系列：角接触球轴承1
- 品牌：NTN
NTN 7220/DB/DF/DT轴承,角接触球轴承1，轴承内圈,外圈更多详细资料您可致电我司，此轴承型号本公司有现货，获取NTN 7220/DB/DF/DT代号,基本尺寸,安装尺寸,基本额定载荷,精度等级,装配,轴承的图纸、样品、价格或者替换产品等！我们是NTN轴承最佳代理商，所售产品均为原装正品，请您放心购买！ 订购电话：021-36539288 ,021-36539299
NTN7220/DB/DF/DT轴承参数
-
系列角接触球轴承1
-
型号7220/DB/DF/DT
-
Boundarydimensions mm- d
- D
- B
- ·B
- rsmin2
- r1smin2
- 100
- 180
- 34
- 68
- 2.1
- 1.1
-
Basic load ratings
- dynamic
- static
- dynamic
- static
- kN
- kgf
- Cr
- Cor
- Cr
- Cor
- 144
- 126
- 14,700
- 12,800
-
Limiting speeds
- rpm
- grease
- oil
- 3,900
- 5,200
-
Bearing numbers
- 7220
-
Load center
- mm
- a
- 57.5
-
Mass
- kg
- single
- .approx.
- 3.2
-
Basic load ratings
- dynamic
- static
- dynamic
- static
- (duplex) kN
- (duplex) kgf
- Cr
- Cor
- Cr
- Cor
- 233
- 251
- 23,800
- 25,600
-
Limiting speeds
- (duplex)
- rpm
- grease
- oil
- 3,100
- 4,200
-
Bearing numbers2
- DB
- DF
- DT
- DB
- DF
- DT
-
Abutment and fillet dimensions
mm
- da
- db
- Da
- Db
- ras
- r1as
- min
- min
- max
- max
- max
- max
- 112
- 107
- 168
- 173
- 2
- 1
- 角接触球轴承1系列 7220/DB/DF/DT图片