SKF轴承6303-2RSH

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品牌：SKF
系列：深沟球轴承
型号：6303-2RSH
内径：17mm
外径：47mm
厚度：14mm

6303-2RSH轴承尺寸参数 尺寸
d   17   mm   孔径
t_Δdmp   max.0,min.-0.007   mm   Deviation limits of mid-range bore diameter
D   47   mm   外径
t_ΔDmp   max.0,min.-0.009   mm   Deviation limits of mid-range outside diameter
B   14   mm   宽度
t_ΔBs   max.0,min.-0.06   mm   Deviation limits of ring width
d₂   ≈23.4   mm   凹槽直径
D₂   ≈39.58   mm   凹槽直径
r_1,2   min.1   mm   倒角尺寸
-   P6 and tighter width tolerance   -   ISO tolerance class for dimensions

挡肩尺寸
d_a   min.22.6   mm   轴挡肩直径
d_a   max.23.5   mm   轴挡肩直径
D_a   max.41.4   mm   轴承座挡肩直径
r_a   max.1   mm   轴或轴承座倒角半径

数据计算
-   SKF Explorer   -   SKF 性能等级
C   14.3   kN   基本额定动荷
C₀   6.55   kN   基本额定静负荷
P_u   0.275   kN   疲劳载荷限值
-   11000   r/min   极限转速
k_r   0.03   -   最小载荷系数
f₀   12   -   计算系数

Tolerances of run-out
t_Kia   4   µm   Range of section height at inner ring of assembled bearing
t_Sd   7   µm   Maximum run-out of inner ring side face to the bore
t_Sia   7   µm   Maximum axial run-out of inner ring of assembled bearing
t_Kea   7   µm   Range of section height at outer ring of assembled bearing
t_SD   4   µm   Perpendicularity of outer ring outside surface
t_Sea   8   µm   Maximum axial run-out of outer ring of assembled bearing
-   P5   -   ISO tolerance class for geometrical tolerances