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KOYO / Single-row / metric series

KOYO T4CB120

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

Technical data available
Bore diameterd
120 mm
Outside diameterD
170 mm
WidthB
25 mm
Dynamic load ratingC
206 kN
Static load ratingC0
262 kN
Limiting speednG
2000 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Metric series
Bore diameterd120 mm
Outside diameterD170 mm
WidthB25 mm
Basic dynamic load ratingC206 kN
Basic static load ratingC0262 kN
Fatigue load limitPu37 kN
Limiting speednG2000 r/min
Mass≈m1.76 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d120 mm
D170 mm
T27 mm
B25 mm
C19.5 mm
R(Min.)3 mm
R1(Min.)3 mm
Basic Load Ratings : Cr206 kN
Basic Load Ratings : C0R262 kN
Fatigue Load Limit : Cu37.0 kN
Limiting Speeds(Grease Lub.)2000 min-1
Limiting Speeds(Oil Lub.)2700 min-1
Load Center Spread : A34.6 mm
Constant E0.47
Axial Load Factors : Y11.27
Axial Load Factors : Y00.70
Da(Min.)155 mm
Db(Max.)130 mm
Da(Max.)156 mm
Db(Min.)164 mm
Sa(Min.)4 mm
Sb(Min.)7.5 mm
Ra(Max.)2.5 mm
Rb(Max.)2.5 mm
Mass(Refer.)1.76 kg

Technical documents & data sheet

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Record identity
KOYO T4CB120
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