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Moddel： d： B：
Type： B： Weight：

RNA4909_Needle bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	RNA4909
Domestic old models	4644909

Dimensions
Inside diameter（d）	52	mm
Outside diameter（D）	68	mm
Thickness（B）	22	mm

Basic Load Rating
Dynamic load（Cr）	33.2	KN
Static load（Cor）	61.9	KN

Limiting Speeds
Grease	9000	rpm
Oil	-	rpm

Weight
Weight	0.205	kg

BEARING TYPE
Type	Needle bearing

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