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WF638/4-2Z_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	WF638/4-2Z
Domestic old models	-

Dimensions
Inside diameter（d）	4	mm
Outside diameter（D）	9	mm
Thickness（B）	4	mm

Basic Load Rating
Dynamic load（Cr）	0.64	KN
Static load（Cor）	0.23	KN

Limiting Speeds
Grease	59000	rpm
Oil	70000	rpm

Weight
Weight	0.7	kg

BEARING TYPE
Type	Deep groove ball bearings

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Deep groove ball bearings -

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Needle bearing -

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Non-standard bearing -

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Oil free bearings -

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insert bearing -

Other unknown types of bearings -

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