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Moddel： d： B：
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NA4903UU_Needle bearing_Linqing Xingma Bearing Co., Ltd

Source :Linqing Xingma Bearing Co., Ltd Column:Needle bearing

Domestic and foreign models
New domestic models	NA4903UU
Domestic old models	-

Dimensions
Inside diameter（d）	17	mm
Outside diameter（D）	30	mm
Thickness（B）	13	mm

Basic Load Rating
Dynamic load（Cr）	9.4	KN
Static load（Cor）	11.8	KN

Limiting Speeds
Grease	9100	rpm
Oil	-	rpm

Weight
Weight	0.04	kg

BEARING TYPE
Type	Needle bearing

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