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Moddel： d： B：
Type： B： Weight：

6404N_Deep groove ball bearings_Linqing Xingma Bearing Co., Ltd

Source :Linqing Xingma Bearing Co., Ltd Column:Deep groove ball bearings

Domestic and foreign models
New domestic models	6404N
Domestic old models	50404

Dimensions
Inside diameter（d）	20	mm
Outside diameter（D）	72	mm
Thickness（B）	19	mm

Basic Load Rating
Dynamic load（Cr）	31	KN
Static load（Cor）	15.2	KN

Limiting Speeds
Grease	9500	rpm
Oil	13000	rpm

Weight
Weight	0.4	kg

BEARING TYPE
Type	Deep groove ball bearings

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