KOYO B188

Automotive bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available

Bore diameterd: 28.6 mm
Outside diameterD: 34.95 mm
WidthB: 12.7 mm
Mass≈m: 0.023 kg
d: 28.6 mm
B: 12.7 mm

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Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications5 parameters

Core specifications
Parameter	Symbol	Value
Variant / construction		Wheel bearings
Bore diameter	d	28.6 mm
Outside diameter	D	34.95 mm
Width	B	12.7 mm
Mass	≈m	0.023 kg

Manufacturer Identity2 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		KOYO
Official Class Key		200-020-000

Classification2 parameters

Classification
Parameter	Symbol	Value
Official Category Path		Automotive bearings - Wheel bearings
Official Classification 1		Automotive bearings / Wheel bearings

Technical Data4 parameters

Technical Data
Parameter	Symbol	Value
d		28.6 mm
D		34.95 mm
B		12.7 mm
Mass (Reference)		0.023 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity: KOYO B188
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