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Moddel： d： B：
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RNA4912R_Needle bearing_Linqing Xingma Bearing Co., Ltd

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

Domestic and foreign models
New domestic models	RNA4912R
Domestic old models	-

Dimensions
Inside diameter（d）	68	mm
Outside diameter（D）	85	mm
Thickness（B）	25	mm

Basic Load Rating
Dynamic load（Cr）	61.2	KN
Static load（Cor）	108	KN

Limiting Speeds
Grease	6800	rpm
Oil	-	rpm

Weight
Weight	0.278	kg

BEARING TYPE
Type	Needle bearing

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