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NK21/20 bearing

product name: NK21/20 bearing
types:Needle roller bearings brand:Natebon
Inside diameter(mm):21 Outside diameter(mm):29
thickness(mm):20 Reference speed(mm):19000
Dynamic load:17.2 Static load:27
update time:2025.06.08 Page View:39984

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

Detail

Natebon NK21/20 bearing code description

N
K
2
1
/
2
0
NK:滚针轴承,机切削套圈,带挡边
21:内径:21 mm
/:分隔符
20:内径:20 mm

Natebon NK21/20 bearing 尺寸

滚子内直径 Fw 0.827in
外径 D 1.142in
宽度 C 0.787in
外圈倒角尺寸 r1,2 0.012in

Natebon NK21/20 bearing 挡肩尺寸

轴承座挡肩尺寸(带法兰) Da 1.063in
倒角半径 ra 0.012in

Natebon NK21/20 bearing 数据计算

基本额定动荷 3867lbf
基本额定静负荷 6070lbf
疲劳载荷限值 753lbf
参考转速 19000r/min
极限转速 22000r/min

Natebon NK21/20 bearing 重量

轴承重量 0.078lb

Natebon NK21/20 bearing 相关密封

具有低截面的单唇径向轴密封

Natebon NK21/20轴承尺寸图

http://img.nadebao.com/SKF/146132023-0.jpg