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Moddel： d： B：
Type： B： Weight：

NA4903A_Needle bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	NA4903A
Domestic old models	4524903

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

Basic Load Rating
Dynamic load（Cr）	-	KN
Static load（Cor）	-	KN

Limiting Speeds
Grease	-	rpm
Oil	-	rpm

Weight
Weight	0.037	kg

BEARING TYPE
Type	Needle bearing

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