SKF轴承628-2RS1

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品牌：SKF
系列：深沟球轴承
型号：628-2RS1
内径：8mm
外径：24mm
厚度：8mm

628-2RS1轴承尺寸参数 尺寸
d   8   mm   孔径
t_Δdmp   max.0,min.-0.007   mm   Deviation limits of mid-range bore diameter
D   24   mm   外径
t_ΔDmp   max.0,min.-0.008   mm   Deviation limits of mid-range outside diameter
B   8   mm   宽度
t_ΔBs   max.0,min.-0.06   mm   Deviation limits of ring width
d₁   ≈14.45   mm   挡边直径
D₂   ≈21.2   mm   凹槽直径
r_1,2   min.0.3   mm   倒角尺寸
-   P6 and tighter width tolerance   -   ISO tolerance class for dimensions

挡肩尺寸
d_a   min.10.4   mm   轴挡肩直径
d_a   max.14.4   mm   轴挡肩直径
D_a   max.21.6   mm   轴承座挡肩直径
r_a   max.0.3   mm   轴或轴承座倒角半径

数据计算
-   SKF Explorer   -   SKF 性能等级
C   3.9   kN   基本额定动荷
C₀   1.66   kN   基本额定静负荷
P_u   0.071   kN   疲劳载荷限值
-   19000   r/min   极限转速
k_r   0.03   -   最小载荷系数
f₀   13   -   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   6   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