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Moddel： d： B：
Type： B： Weight：

NA4903R_Needle bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	NA4903R
Domestic old models	-

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

Basic Load Rating
Dynamic load（Cr）	12.1	KN
Static load（Cor）	16.4	KN

Limiting Speeds
Grease	20000	rpm
Oil	-	rpm

Weight
Weight	0.038	kg

BEARING TYPE
Type	Needle bearing

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