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KOYO / Single-row / nh

KOYO NH307R

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

Technical data available
Bore diameterd
35 mm
Outside diameterD
80 mm
WidthB
21 mm
Dynamic load ratingC
83.3 kN
Static load ratingC0
65.4 kN
Limiting speednG
7700 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 / NH
Bore diameterd35 mm
Outside diameterD80 mm
WidthB21 mm
Basic dynamic load ratingC83.3 kN
Basic static load ratingC065.4 kN
Fatigue load limitPu9.35 kN
Limiting speednG7700 r/min
Mass≈m0.565 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NH
Official Classification 1Cylindrical roller bearings / Single-row / NH
Technical Data24 parameters
Technical Data
ParameterSymbolValue
d35 mm
D80 mm
B21 mm
R(Min.)1.5 mm
R1(Min.)1.1 mm
Fw46.2 mm
Ew- mm
Basic Load Ratings : Cr83.3 kN
Basic Load Ratings : C0R65.4 kN
Fatigue Load Limit : Cu9.35 kN
Limiting Speeds(Grease Lub.)7700 min-1
Limiting Speeds(Oil Lub.)10000 min-1
Sd151.1 mm
B16 mm
B29.5 mm
Da(Min.)43 mm
Db(Min.)- mm
Db(Max.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)72 mm
Ra(Max.)1.5 mm
Rb(Max.)1 mm
Mass(Refer.)0.565 kg

Technical documents & data sheet

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Record identity
KOYO NH307R
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