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KOYO 30311JR Bearing Details：

Bearing Name 30311JR New Model 30311JR Old Model 7311E bearing product Model 30311JR Category Tapered Roller Bearings Brand KOYO Bearing Inner Diameter d ( mm ) 55 Outer Diameter D ( mm ) 120 Thickness B ( mm ) 31.5

KOYO 30311JR Bearing   Bearing Size and Drawing：

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
KOYO 30311 D JR Bearing	55	120	31.5	KOYO	Tapered Roller Bearings
KOYO 30311JR Bearing	55	120	31.5	KOYO	Tapered Roller Bearings
CHINA 30311 Bearing	55	120	31.5	CHINA	Tapered Roller Bearings
KOYO 31311 Bearing	55	120	31.5	KOYO	Tapered Roller Bearings
KOYO 30311DJR Bearing	55	120	31.5	KOYO	Tapered Roller Bearings
NSK NSK30311J2/Q Bearing	55	120	31.5	NSK	Tapered Roller Bearings
FAG 31311 Bearing	55	120	31.5	FAG	Tapered Roller Bearings
TBS 31311J2/QCL7C Bearing	55	120	31.5	TBS	Tapered Roller Bearings
TBS 30311 J2/Q Bearing	55	120	31.5	TBS	Tapered Roller Bearings
TBS 31311 J2/QCL7C Bearing	55	120	31.5	TBS	Tapered Roller Bearings

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