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Moddel： d： B：
Type： B： Weight：

RNA4909R_Needle bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	RNA4909R
Domestic old models	-

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

Basic Load Rating
Dynamic load（Cr）	45.8	KN
Static load（Cor）	72.9	KN

Limiting Speeds
Grease	8800	rpm
Oil	-	rpm

Weight
Weight	0.185	kg

BEARING TYPE
Type	Needle bearing

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