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

KOYO IR-202420

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

Technical data available
Bore diameterd
31.75 mm
WidthB
31.75 mm
Mass≈m
0.082 kg
d
31.750 mm
F
38.100 mm
B
31.75 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 diameterd31.75 mm
WidthB31.75 mm
Mass≈m0.082 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
d31.750 mm
F38.100 mm
B31.75 mm
R(Min.)1.52 mm
(Refer.)Mass0.082 kg
Shaft Dia. Loose Transition Fit(Max.)31.740
Shaft Dia. Loose Transition Fit(Min.)31.725
Shaft Dia. Interference Fit(Max.)31.770
Shaft Dia. Interference Fit(Min.)31.760
Used With Bearing No.HJ-243320
Mass(Refer.)0.082 kg

Technical documents & data sheet

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Record identity
KOYO IR-202420
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