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Moddel： d： B：
Type： B： Weight：

NNU4988K_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	NNU4988K
Domestic old models	4382988

Dimensions
Inside diameter（d）	440	mm
Outside diameter（D）	600	mm
Thickness（B）	160	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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