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RNAO55X68X20 bearing

product name: RNAO55X68X20 bearing
types:Needle roller bearings brand:Natebon
Inside diameter(mm):55 Outside diameter(mm):68
thickness(mm):20 Reference speed(mm):7500
Dynamic load:27 Static load:67
update time:2025.06.07 Page View:16600

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

Detail

Natebon RNAO55X68X20 bearing code description

R
N
A
O
5
5
X
6
8
X
2
0
R:无内圈
NAO:机切削滚针轴承(无挡边)
55:内径:55 mm
X:分隔符
68:外径:55 mm
X:分隔符
20:厚度:55 mm

Natebon RNAO55X68X20 bearing 尺寸

滚子内直径 Fw 2.165in
外径 D 2.677in
宽度 C 0.787in
外圈滚道直径 E 2.362in
外圈倒角尺寸 r1,2 0.024in

Natebon RNAO55X68X20 bearing 挡肩尺寸

不带有法兰的最小允许挡肩轴径和滚动轴承 da 2.331in
轴承座挡肩(不带法兰) Da 2.394in
不带法兰的轴承座和轴承的最小允许挡肩直径 Db 2.197in
倒角半径 ra 0.024in

Natebon RNAO55X68X20 bearing 数据计算

基本额定动荷 6070lbf
基本额定静负荷 15062lbf
疲劳载荷限值 1832lbf
参考转速 7500r/min
极限转速 8500r/min

Natebon RNAO55X68X20 bearing 重量

轴承重量 0.366lb

Natebon RNAO55X68X20轴承尺寸图

http://img.nadebao.com/SKF/146136028-0.jpg