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

KOYO IR-273220

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

Technical data available
Bore diameterd
42.863 mm
WidthB
31.75 mm
Mass≈m
0.136 kg
d
42.863 mm
F
50.800 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 diameterd42.863 mm
WidthB31.75 mm
Mass≈m0.136 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
d42.863 mm
F50.800 mm
B31.75 mm
R(Min.)1.52 mm
(Refer.)Mass0.136 kg
Shaft Dia. Loose Transition Fit(Max.)42.852
Shaft Dia. Loose Transition Fit(Min.)42.837
Shaft Dia. Interference Fit(Max.)42.883
Shaft Dia. Interference Fit(Min.)42.873
Used With Bearing No.HJ-324120
Mass(Refer.)0.136 kg

Technical documents & data sheet

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Record identity
KOYO IR-273220
Document matching
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