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KOYO / Inner rings / inch series / for heavy duty needle roller bearings(ir)

KOYO IR-445228

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

Technical data available
Bore diameterd
69.85 mm
WidthB
44.45 mm
Mass≈m
0.503 kg
d
69.850 mm
F
82.550 mm
B
44.45 mm

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

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
ParameterSymbolValue
Variant / constructionInner rings / Inch series / For heavy duty needle roller bearings(IR)
Bore diameterd69.85 mm
WidthB44.45 mm
Mass≈m0.503 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key090-060-030
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathNeedle roller bearings - Inner rings - Inch series - For heavy duty needle roller bearings(IR)
Official Classification 1Needle roller bearings / Inner rings / Inch series / For heavy duty needle roller bearings(IR)
Technical Data11 parameters
Technical Data
ParameterSymbolValue
d69.850 mm
F82.550 mm
B44.45 mm
R(Min.)2.03 mm
(Refer.)Mass0.503 kg
Shaft Dia. Loose Transition Fit(Max.)69.840
Shaft Dia. Loose Transition Fit(Min.)69.822
Shaft Dia. Interference Fit(Max.)69.873
Shaft Dia. Interference Fit(Min.)69.860
Used With Bearing No.HJ-526828
Mass(Refer.)0.503 kg

Technical documents & data sheet

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Record identity
KOYO IR-445228
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