99,016 bearing records · search, filter and compare

KOYO / Single-row / inch series

KOYO HM89449/11

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

Technical data available
Bore diameterd
36.512 mm
Outside diameterD
76.2 mm
WidthB
28.575 mm
Dynamic load ratingC
99.5 kN
Static load ratingC0
107 kN
Limiting speednG
5400 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 / Inch series
Bore diameterd36.512 mm
Outside diameterD76.2 mm
WidthB28.575 mm
Basic dynamic load ratingC99.5 kN
Basic static load ratingC0107 kN
Fatigue load limitPu15.2 kN
Limiting speednG5400 r/min
Mass≈m0.644 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Inch series
Official Classification 1Tapered roller bearings / Single-row / Inch series
Technical Data23 parameters
Technical Data
ParameterSymbolValue
d36.512 mm
D76.200 mm
T29.370 mm
B28.575 mm
C23.020 mm
R(Min.)3.6 mm
R1(Min.)0.8 mm
Basic Load Ratings : Cr99.5 kN
Basic Load Ratings : C0R107 kN
Fatigue Load Limit : Cu15.2 kN
Limiting Speeds(Grease Lub.)5400 min-1
Limiting Speeds(Oil Lub.)7200 min-1
Load Center Spread : A23.9 mm
Constant :E0.55
Axial Load Factors : Y11.10
Axial Load Factors : Y00.60
Da54.0 mm
Db44.5 mm
Da65.0 mm
Db73.0 mm
Ra(Max.)3.6 mm
Rb(Max.)0.8 mm
Mass(Refer.)0.644 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
KOYO HM89449/11
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search