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KOYO / Four-row tapered roller bearings

KOYO M231649D/610/610D

Rolling mill roll neck bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
152.4 mm
Outside diameterD
222.25 mm
WidthB
174.625 mm
Dynamic load ratingC
1160 kN
Static load ratingC0
2390 kN
Mass≈m
22.8 kg

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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionFour-row tapered roller bearings
Bore diameterd152.4 mm
Outside diameterD222.25 mm
WidthB174.625 mm
Basic dynamic load ratingC1160 kN
Basic static load ratingC02390 kN
Fatigue load limitPu318 kN
Mass≈m22.8 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key140-020-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathRolling mill roll neck bearings - Four-row tapered roller bearings
Official Classification 1Rolling mill roll neck bearings / Four-row tapered roller bearings
Technical Data19 parameters
Technical Data
ParameterSymbolValue
d152.400 mm
D222.250 mm
T174.625 mm
W174.625 mm
R(Min.)1.6 mm
R1(Min.)1.6 mm
Basic Load Ratings : Cr1160 kN
Basic Load Ratings : C0R2390 kN
Fatigue Load Limit : Cu318 kN
Axial Load Factors : Y22.03 mm
Axial Load Factors : Y33.02
Axial Load Factors : Y01.98
Constant E0.33
Da(Min.)168 mm
Da(Max.)201 mm
S(Min.)6 mm
Ra(Max.)1.6 mm
Rb(Max.)1.6 mm
Mass(Refer.)22.8 kg

Technical documents & data sheet

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Record identity
KOYO M231649D/610/610D
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