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PartsTable / COMPONENT / 42132D181
42132D181 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN, inner_ring_width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, outer_ring_width: 0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN, style_designator: CYLINDRICAL ROLLER, DOUBLE CLOSURE, RIGID, surface_treatment: CADMIUM EXPOSED SURFACES AS MOUNTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-520-3886, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
42132D181
NSN: 3110-00-520-3886
FSC: 3110
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_diameter0.2495 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
shield_quantity2
inner_ring_width0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
outer_ring_width0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN
style_designatorCYLINDRICAL ROLLER, DOUBLE CLOSURE, RIGID
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
lubrication_materialGREASE
overall_outside_diameter1.0270 INCHES MINIMUM AND 1.0370 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyBEARING,BALL,GUIDE ROLLER
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-520-3886
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 42132D181 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL COMP E52100 INNER RING
•
LUBRICATION MATERIAL: GREASE
•
INNER RING WIDTH: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
SHIELD QUANTITY: 2
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
OUTER RING WIDTH: 0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP E52100 INNER RING
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,BALL,GUIDE ROLLER
LUBRICATION MATERIALGREASE
INNER RING WIDTH0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
SHIELD QUANTITY2
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
OUTER RING WIDTH0.5580 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OUTER RING
STYLE DESIGNATORCYLINDRICAL ROLLER, DOUBLE CLOSURE, RIGID
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
G4Y17MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
G4Y17Interchangeable
interchangeable cross-reference
interchangeable
42132-181Interchangeable
Same NIIN cross-reference
interchangeable
G4Y17FS160Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42132D181?
42132D181 is a BEARING,BALL,ANNULAR.
What parts can replace 42132D181?
There are 4 known substitutes for 42132D181: G4Y17MILG3278A, G4Y17, 42132-181 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42132D181?
42132D181 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-520-3886. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026