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Moddel： d： B：
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NNU4921_Cylindrical roller bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	NNU4921
Domestic old models	4482921

Dimensions
Inside diameter（d）	105	mm
Outside diameter（D）	145	mm
Thickness（B）	40	mm

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

Limiting Speeds
Grease	-	rpm
Oil	-	rpm

Weight
Weight	-	kg

BEARING TYPE
Type	Cylindrical roller bearing

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