品牌:SKF轴承
更新时间:2026.03.15
销售电话:15335271700
7222 BECBY轴承尺寸参数 尺寸
d 110 mm 孔径
tΔdmp max.0,min.-0.015 mm Deviation limits of mid-range bore diameter
D 200 mm 外径
tΔDmp max.0,min.-0.02 mm Deviation limits of mid-range outside diameter
B 38 mm 宽度
tΔBs max.0,min.-0.2 mm Deviation limits of ring width
d1 ≈144.85 mm 内圈挡边直径(大端面)
d2 ≈127.12 mm 内圈挡边直径(小端面)
D1 ≈167.35 mm 外圈挡边直径(大端面)
a 84 mm 侧面到压力点的距离
r1,2 min.2.1 mm 倒角尺寸
r3,4 min.1.1 mm 倒角尺寸
- P6 - ISO tolerance class for dimensions
挡肩尺寸
da min.122 mm 轴挡肩直径
Da max.188 mm 轴承座挡肩尺寸
Db max.193 mm 轴承座挡肩直径
ra max.2 mm 圆角半径
rb max.1 mm 圆角半径
数据计算
- SKF Explorer - SKF 性能等级
C 163 kN 基本额定动荷
C0 156 kN 基本额定静负荷
Pu 5.3 kN 疲劳载荷限值
- 4000 r/min 参考转速
- 4000 r/min 极限转速
A 0.35 - 最小轴向负荷系数
kr 0.1 - 最小径向载荷系数
e 1.1 - 极限值
Tolerances of run-out
tKia 6 µm Range of section height at inner ring of assembled bearing
tSd 9 µm Maximum run-out of inner ring side face to the bore
tKea 15 µm Range of section height at outer ring of assembled bearing
tSD 5.5 µm Perpendicularity of outer ring outside surface
- P5 - ISO tolerance class for geometrical tolerances
