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Moddel： d： B：
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30311JR_Tapered roller bearing_Linqing Xingma Bearing Co., Ltd

Source :Linqing Xingma Bearing Co., Ltd Column:Tapered roller bearing

Domestic and foreign models
New domestic models	30311JR
Domestic old models	-

Dimensions
Inside diameter（d）	55	mm
Outside diameter（D）	120	mm
Thickness（B）	29	mm

Basic Load Rating
Dynamic load（Cr）	149	KN
Static load（Cor）	170	KN

Limiting Speeds
Grease	3300	rpm
Oil	4500	rpm

Weight
Weight	1.65	kg

BEARING TYPE
Type	Tapered roller bearing

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