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Moddel： d： B：
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6646_Deep groove ball bearings_Linqing Xingma Bearing Co., Ltd

Source :Linqing Xingma Bearing Co., Ltd Column:Deep groove ball bearings

Domestic and foreign models
New domestic models	6646
Domestic old models	306842

Dimensions
Inside diameter（d）	230	mm
Outside diameter（D）	329.8	mm
Thickness（B）	40	mm

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

Limiting Speeds
Grease	-	rpm
Oil	-	rpm

Weight
Weight	11.37	kg

BEARING TYPE
Type	Deep groove ball bearings

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Deep groove ball bearings -

Aligning ball bearing -

Cylindrical roller bearing -

Self-aligning roller bearing -

Needle bearing -

Spiral roller bearing -

Angular contact ball bearing -

Tapered roller bearing -

Thrust ball bearing -

Thrust angular-contact ball bearing -

Insert bearing with housing -

Unidirectional bearing -

Flange bearing -

Non-standard bearing -

Split bearing -

Plastic bearings -

Thrust needle bearing -

Thrust roller bearing -

Thrust self-aligning roller bearing -

Thrust tapered roller bearing -

Oil free bearings -

Integral eccentric bearing -

insert bearing -

Other unknown types of bearings -

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