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KOYO / Single-row / nf

KOYO NF312

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

Technical data available
Bore diameterd
60 mm
Outside diameterD
130 mm
WidthB
31 mm
Dynamic load ratingC
155 kN
Static load ratingC0
126 kN
Limiting speednG
4700 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 / NF
Bore diameterd60 mm
Outside diameterD130 mm
WidthB31 mm
Basic dynamic load ratingC155 kN
Basic static load ratingC0126 kN
Fatigue load limitPu17.3 kN
Limiting speednG4700 r/min
Mass≈m1.86 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NF
Official Classification 1Cylindrical roller bearings / Single-row / NF
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d60 mm
D130 mm
B31 mm
R(Min.)2.1 mm
R1(Min.)2.1 mm
Fw- mm
Ew113 mm
Basic Load Ratings : Cr155 kN
Basic Load Ratings : C0R126 kN
Fatigue Load Limit : Cu17.3 kN
Limiting Speeds(Grease Lub.)4700 min-1
Limiting Speeds(Oil Lub.)6300 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)71 mm
Db(Min.)- mm
Db(Max.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)- mm
Db(Max.)119 mm
Db(Min.)116 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)1.86 kg

Technical documents & data sheet

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Record identity
KOYO NF312
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