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KOYO / Heavy-duty needle roller bearings / metric series, caged, without inner ring

KOYO RNA4918

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

Technical data available
Outside diameterD
125 mm
Dynamic load ratingC
114 kN
Static load ratingC0
245 kN
Limiting speednG
2600 r/min
Mass≈m
0.746 kg
Fw
105 mm

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 specifications7 parameters
Core specifications
ParameterSymbolValue
Variant / constructionHeavy-duty needle roller bearings / Metric series, caged, without inner ring
Outside diameterD125 mm
Basic dynamic load ratingC114 kN
Basic static load ratingC0245 kN
Fatigue load limitPu37.8 kN
Limiting speednG2600 r/min
Mass≈m0.746 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key090-030-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathNeedle roller bearings - Heavy-duty needle roller bearings - Metric series, caged, without inner ring
Official Classification 1Needle roller bearings / Heavy-duty needle roller bearings / Metric series, caged, without inner ring
Technical Data11 parameters
Technical Data
ParameterSymbolValue
Fw105 mm
D125 mm
C35 mm
R(Min.)1.1 mm
Basic Load Ratings : Cr114? kN
Basic Load Ratings : C0R245? kN
Fatigue Load Limit : Cu37.8 kN
Limiting Speeds(Grease Lub.)2600 min-1
Limiting Speeds(Oil Lub.)4000 min-1
(Refer.)Mass0.746? kg
Mass(Refer.)0.746? kg

Technical documents & data sheet

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Record identity
KOYO RNA4918
Document matching
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