99,016 bearing records · search, filter and compare

INA / Precision locknut

INA ZMA90/155

Precision locknut technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Outside diameterD
155 mm
WidthB
38 mm
Mass≈m
3.36 kg
Outside Diamater (D)
155 mm
Total Height (H)
38 mm
Mounting Torque Set Screw (Ma)
15 Nm

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
Outside diameterD155 mm
WidthB38 mm
Mass≈m3.36 kg
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code409045
BrandINA
Base TypeZMA90/155
Old Designation["ZMA 90/155"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionPrecision locknuts ZMA, locking pegs, radially arranged, heavy series
Short DescriptionPrecision locknut
Technical Data11 parameters
Technical Data
ParameterSymbolValue
Outside Diamater (D)155 mm
Total Height (H)38 mm
Mounting Torque Set Screw (Ma)15 Nm
Plant Diameter Outside (D1)146 mm
Distance Bore (C)19 mm
Width Retaining Slot (B)10 mm
Breakawag (Ml)360 Nm
Hight Retaining Slot (T)4 mm
Mounting Torque Reference (Mal)200 Nm
Breaking Load, Axial (Fab)1,080,000 N
Mass Moment Of Inertia (Mm)150 kg*cm2

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
INA ZMA90/155
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