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71904CD/HCPA9A bearing

product name: 71904CD/HCPA9A bearing
types:Super-precision angular contact ball bearings brand:Natebon
Inside diameter(mm):20 Outside diameter(mm):37
thickness(mm):9 Reference speed(mm):53000
Dynamic load:6.05 Static load:3.2
update time:2025.06.08 Page View:46703

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

Detail

Natebon 71904CD/HCPA9A bearing code description

There is currently no data available

Natebon 71904CD/HCPA9A bearing

通用配对轴承

Natebon 71904CD/HCPA9A bearing 尺寸

孔径 d 0.787in
外径 D 1.457in
宽度 B 0.354in
内圈挡边直径(大端面) d1 1.008in
内圈挡边直径(小端面) d2 1.008in
外圈挡边直径(大端面) D1 1.236in
倒角尺寸 r1,2 0.012in
倒角尺寸 r3,4 0.008in
端面到压力点的距离 a 0.331in

Natebon 71904CD/HCPA9A bearing 挡肩尺寸

轴挡肩直径 da 0.866in
轴挡肩直径 db 0.866in
轴承座挡肩直径 Da 1.378in
轴承座挡肩直径 Db 1.402in
圆角半径 ra 0.012in
圆角半径 rb 0.008in
喷油嘴位置 dn 1.055in

Natebon 71904CD/HCPA9A bearing 数据计算

基本额定动荷 1360lbf
基本额定静负荷 719lbf
疲劳载荷限值 22lbf
Attainable speed for grease lubrication 53000r/min
Attainable speed for oil-air lubrication 80000r/min
接触角 15°
球径 0.187in
滚动体列数 1
钢球数量(每轴承) 15
参考润滑脂量(每轴承) 0.02746in³

Natebon 71904CD/HCPA9A bearing 重量

重量 0.073lb