99,016 bearing records · search, filter and compare

KOYO / Radial needle roller and cage assemblies / metric series / k,k.zw

KOYO K12X18X12H

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

Technical data available
Dynamic load ratingC
9.76 kN
Static load ratingC0
9.4 kN
Limiting speednG
14000 r/min
Mass≈m
0.009 kg
Fw
12 mm
Ew
18 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 specifications6 parameters
Core specifications
ParameterSymbolValue
Variant / constructionRadial needle roller and cage assemblies / Metric series / K,K.ZW
Basic dynamic load ratingC9.76 kN
Basic static load ratingC09.4 kN
Fatigue load limitPu1.4 kN
Limiting speednG14000 r/min
Mass≈m0.009 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key090-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathNeedle roller bearings - Radial needle roller and cage assemblies - Metric series - K,K.ZW
Official Classification 1Needle roller bearings / Radial needle roller and cage assemblies / Metric series / K,K.ZW
Technical Data14 parameters
Technical Data
ParameterSymbolValue
Fw12 mm
Ew18 mm
Bc12 mm
Basic Load Ratings : Cr9.76 kN
Basic Load Ratings : C0R9.40 kN
Fatigue Load Limit : Cu1.40 kN
Cage Material P/SS
Limiting Speeds(Grease Lub.)14000 min-1
Limiting Speeds(Oil Lub.)22000 min-1
Recommended Dimensions Shaft : S(Max.)12.000 mm
Recommended Dimensions Shaft : S(Min.)11.992 mm
Recommended Dimensions Housing : H(Max.)18.017 mm
Recommended Dimensions Housing : H(Min.)18.006 mm
Mass(Refer.)0.009 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 K12X18X12H
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