99,016 bearing records · search, filter and compare

KOYO / Thrust needle roller bearings / inch series, separate type / thrust needle roller and cage assembly(nta)

KOYO NTA-2840

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

Technical data available
Mass≈m
0.014 kg
Dc1
44.45 mm
Dc
63.50 mm
Dw
1.984 mm
Eb
46.74 mm
Ea
58.928 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 specifications3 parameters
Core specifications
ParameterSymbolValue
Variant / constructionThrust needle roller bearings / Inch series, separate type / Thrust needle roller and cage assembly(NTA)
Fatigue load limitPu14 kN
Mass≈m0.014 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key090-040-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathNeedle roller bearings - Thrust needle roller bearings - Inch series, separate type - Thrust needle roller and cage assembly(NTA)
Official Classification 1Needle roller bearings / Thrust needle roller bearings / Inch series, separate type / Thrust needle roller and cage assembly(NTA)
Technical Data20 parameters
Technical Data
ParameterSymbolValue
Dc144.45 mm
Dc63.50 mm
Dw1.984 mm
Eb46.74 mm
Ea58.928 mm
Basic Load Ratings Ca25.31 kN
Basic Load Ratings C0A137.45 kN
Fatigue Load Limit : Cu14.0 kN
Limiting Speeds6800 min-1
(Refer.)Mass0.014 kg
Washer DesignationTRA-2840
Washer Dimensions : D44.45 mm
Washer Dimensions : D163.50 mm
Washer Dimensions : H(Max.)0.81 mm
Washer Dimensions : H(Min.)0.76 mm
Piloting Dimensions : S(Max.)44.45 mm
Piloting Dimensions : S(Min.)44.37 mm
Dia. To Clear O.D. : H64.29 mm
(Refer.)Washer Mass0.010 kg
Mass(Refer.)0.014 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 NTA-2840
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