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7018FEGA/P4A bearing

product name: 7018FEGA/P4A bearing
types:Super-precision angular contact ball bearings brand:Natebon
Inside diameter(mm):90 Outside diameter(mm):140
thickness(mm):24 Reference speed(mm):Contact SKF for the attainable speeds
Dynamic load:35.8 Static load:31.5
update time:2025.06.22 Page View:23238

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

Detail

Natebon 7018FEGA/P4A bearing code description

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Natebon 7018FEGA/P4A bearing

通用配对轴承

Natebon 7018FEGA/P4A bearing 尺寸

孔径 d 3.543in
外径 D 4.528in
宽度 B 0.512in
内圈挡边直径(大端面) d1 3.866in
内圈挡边直径(小端面) d2 3.866in
外圈挡边直径(大端面) D1 4.217in
倒角尺寸 r1,2 0.039in
倒角尺寸 r3,4 0.012in
端面到压力点的距离 a 1.201in

Natebon 7018FEGA/P4A bearing 挡肩尺寸

轴挡肩直径 da 3.724in
轴挡肩直径 db 3.724in
轴承座挡肩直径 Da 4.346in
轴承座挡肩直径 Db 4.449in
圆角半径 ra 0.039in
圆角半径 rb 0.012in
喷油嘴位置 dn 3.902in

Natebon 7018FEGA/P4A bearing 数据计算

基本额定动荷 4564lbf
基本额定静负荷 5620lbf
疲劳载荷限值 172lbf
Attainable speed for grease lubrication 12000r/min
Attainable speed for oil-air lubrication 18000r/min
接触角 25°
球径 0.281in
滚动体列数 1
钢球数量(每轴承) 31
参考润滑脂量(每轴承) 0.177in³

Natebon 7018FEGA/P4A bearing 重量

重量 0.553lb