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IKO / Machined type needle roller bearings

IKO TR708945

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

Technical data available
Bore diameterd
70 mm
Outside diameterD
89 mm
WidthB
45 mm
Dynamic load ratingC
114 kN
Static load ratingC0
228 kN
Limiting speednG
5500 r/min

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 specifications15 parameters
Core specifications
ParameterSymbolValue
SeriesTR
Variant / constructionMachined Type Needle Roller Bearings
Bore diameterd70 mm
Outside diameterD89 mm
WidthB45 mm
Basic dynamic load ratingC114 kN
Basic static load ratingC0228 kN
Reference speednref3300 r/min
Limiting speednG5500 r/min
Mass≈m0.605 kg
Precision classJIS, Class 0
CageSteel
Bearing materialHigh Carbon Chrome Steel
Minimum operating temperatureTmin-20 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity1 parameter
Manufacturer Identity
ParameterSymbolValue
Cad Part NumberTR708945
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Short DescriptionMachined Type Needle Roller Bearings
Long DescriptionMachined Type Needle Roller Bearings, High Carbon Steel, Oil Hole
Official Bearing FamilyNeedle Roller Bearings
Official Bearing TypeMachined Type Needle Roller Bearings
Materials2 parameters
Materials
ParameterSymbolValue
Rolling Element MaterialSUJ2
Retainer MaterialSteel
Technical Data2 parameters
Technical Data
ParameterSymbolValue
Rolling ElementRoller
RelubricatableYes

Technical documents & data sheet

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Record identity
IKO TR708945
Document matching
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