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KOYO / Single-row / metric series

KOYO 33211JR

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

Technical data available
Bore diameterd
55 mm
Outside diameterD
100 mm
WidthB
35 mm
Dynamic load ratingC
178 kN
Static load ratingC0
189 kN
Limiting speednG
3900 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 diameterd55 mm
Outside diameterD100 mm
WidthB35 mm
Basic dynamic load ratingC178 kN
Basic static load ratingC0189 kN
Fatigue load limitPu28.9 kN
Limiting speednG3900 r/min
Mass≈m1.18 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
d55 mm
D100 mm
T35 mm
B35 mm
C27 mm
R(Min.)2 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr178 kN
Basic Load Ratings : C0R189 kN
Fatigue Load Limit : Cu28.9 kN
Limiting Speeds(Grease Lub.)3900 min-1
Limiting Speeds(Oil Lub.)5200 min-1
Load Center Spread : A25.3 mm
Constant E0.40
Axial Load Factors : Y11.50
Axial Load Factors : Y00.83
Da(Min.)85 mm
Db(Max.)62 mm
Da(Max.)90 mm
Db(Min.)96 mm
Sa(Min.)6 mm
Sb(Min.)8 mm
Ra(Max.)2 mm
Rb(Max.)1.5 mm
Mass(Refer.)1.18 kg

Technical documents & data sheet

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Record identity
KOYO 33211JR
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