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KOYO / Withdrawal sleeves

KOYO 21311RZK+AHX311

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

Technical data available
Bore diameterd
55 mm
Outside diameterD
120 mm
WidthB
29 mm
Dynamic load ratingC
180 kN
Static load ratingC0
165 kN
Limiting speednG
4100 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionWithdrawal sleeves
Bore diameterd55 mm
Outside diameterD120 mm
WidthB29 mm
Basic dynamic load ratingC180 kN
Basic static load ratingC0165 kN
Limiting speednG4100 r/min
Mass≈m1.83 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key060-030-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathSpherical roller bearings - Withdrawal sleeves
Official Classification 1Spherical roller bearings / Withdrawal sleeves
Technical Data18 parameters
Technical Data
ParameterSymbolValue
D150 mm
B137 mm
B240 mm
GM60�2 mm
G17 mm
d55 mm
D120 mm
B29 mm
R(Min.)2 mm
Basic Load Ratings : Cr180 kN
Basic Load Ratings : C0R165 kN
Limiting Speeds(Grease Lub.)4100 min-1
Limiting Speeds(Oil Lub.)5600 min-1
Constant E0.25
Axial Load Factors : Y12.71
Axial Load Factors : Y24.03
Axial Load Factors : Y02.65
Mass(Refer.)1.83 kg

Technical documents & data sheet

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Record identity
KOYO 21311RZK+AHX311
Document matching
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