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7228ACDGA/P4A bearing

product name: 7228ACDGA/P4A bearing
types:Super-precision angular contact ball bearings brand:Natebon
Inside diameter(mm):140 Outside diameter(mm):250
thickness(mm):42 Reference speed(mm):Contact SKF for the attainable speeds
Dynamic load:212 Static load:228
update time:2025.06.08 Page View:43471

Natebon Electromechanical Industrial(Jiangsu) Co.,Ltd. Consultation hotline:15335271700

Detail

Natebon 7228ACDGA/P4A bearing code description

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Natebon 7228ACDGA/P4A bearing

通用配对轴承

Natebon 7228ACDGA/P4A bearing 尺寸

孔径 d 5.512in
外径 D 9.843in
宽度 B 1.654in
内圈挡边直径(大端面) d1 6.961in
内圈挡边直径(小端面) d2 6.961in
外圈挡边直径(大端面) D1 8.394in
倒角尺寸 r1,2 0.118in
倒角尺寸 r3,4 0.059in
端面到压力点的距离 a 1.862in

Natebon 7228ACDGA/P4A bearing 挡肩尺寸

轴挡肩直径 da 6.063in
轴挡肩直径 db 6.063in
轴承座挡肩直径 Da 9.291in
轴承座挡肩直径 Db 9.488in
圆角半径 ra 0.098in
圆角半径 rb 0.059in
喷油嘴位置 dn 7.276in

Natebon 7228ACDGA/P4A bearing 数据计算

基本额定动荷 49683lbf
基本额定静负荷 53954lbf
疲劳载荷限值 1652lbf
Attainable speed for grease lubrication 5600r/min
Attainable speed for oil-air lubrication 8500r/min
接触角 15°
球径 1.187in
滚动体列数 1
钢球数量(每轴承) 18
参考润滑脂量(每轴承) 5.122in³

Natebon 7228ACDGA/P4A bearing 重量

重量 17.941lb