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KOYO / Withdrawal sleeves

KOYO 21308RZK+AH308

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
90 mm
WidthB
23 mm
Dynamic load ratingC
105 kN
Static load ratingC0
95.5 kN
Limiting speednG
5600 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 diameterd40 mm
Outside diameterD90 mm
WidthB23 mm
Basic dynamic load ratingC105 kN
Basic static load ratingC095.5 kN
Limiting speednG5600 r/min
Mass≈m0.86 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
D135 mm
B129 mm
B232 mm
GM45�1.5 mm
G16 mm
d40 mm
D90 mm
B23 mm
R(Min.)1.5 mm
Basic Load Ratings : Cr105 kN
Basic Load Ratings : C0R95.5 kN
Limiting Speeds(Grease Lub.)5600 min-1
Limiting Speeds(Oil Lub.)7600 min-1
Constant E0.26
Axial Load Factors : Y12.55
Axial Load Factors : Y23.80
Axial Load Factors : Y02.50
Mass(Refer.)0.860 kg

Technical documents & data sheet

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Record identity
KOYO 21308RZK+AH308
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