KOYO DG2550B-32RR1D

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

Technical data available

Bore diameterd: 12 mm
Outside diameterD: 50 mm
WidthB: 28.5 mm
Stockno.: 70028
d: 12 mm
B: 28.5 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 specifications4 parameters

Core specifications
Parameter	Symbol	Value
Variant / construction		Tensioner bearings
Bore diameter	d	12 mm
Outside diameter	D	50 mm
Width	B	28.5 mm

Manufacturer Identity2 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		KOYO
Official Class Key		200-050-000

Classification2 parameters

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

Technical Data5 parameters

Technical Data
Parameter	Symbol	Value
Stockno.		70028
d		12 mm
D		50 mm
B		28.5 mm
Reference Part Number		トヨタ (TOYOTA) 13503-11010

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 DG2550B-32RR1D
Document matching: Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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