SKF轴承6304-2Z

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品牌：SKF
系列：深沟球轴承
型号：6304-2Z
内径：20mm
外径：52mm
厚度：15mm

6304-2Z轴承尺寸参数 尺寸
d   20   mm   孔径
t_Δdmp   max.0,min.-0.008   mm   Deviation limits of mid-range bore diameter
D   52   mm   外径
t_ΔDmp   max.0,min.-0.011   mm   Deviation limits of mid-range outside diameter
B   15   mm   宽度
t_ΔBs   max.0,min.-0.06   mm   Deviation limits of ring width
d₁   ≈30.35   mm   挡边直径
D₂   ≈44.71   mm   凹槽直径
r_1,2   min.1.1   mm   倒角尺寸
-   P6 and tighter width tolerance   -   ISO tolerance class for dimensions

挡肩尺寸
d_a   min.27   mm   轴挡肩直径
d_a   max.30.3   mm   轴挡肩直径
D_a   max.45   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   16.8   kN   基本额定动荷
C₀   7.8   kN   基本额定静负荷
P_u   0.335   kN   疲劳载荷限值
-   30000   r/min   参考转速
-   15000   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   8   µm   Maximum run-out of inner ring side face to the bore
t_Sia   8   µm   Maximum axial run-out of inner ring of assembled bearing
t_Kea   8   µm   Range of section height at outer ring of assembled bearing
t_SD   4   µm   Perpendicularity of outer ring outside surface
t_Sea   10   µm   Maximum axial run-out of outer ring of assembled bearing
-   P5   -   ISO tolerance class for geometrical tolerances