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3TAR29-36-158 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3TAR29-36-158: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, bore_diameter: 1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN, overall_width: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, style_designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-545-6877, 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
3TAR29-36-158
NSN: 3110-00-545-6877
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
bore_diameter1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN
overall_width0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
internal_clearance0.0007 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN
bearing_preload_rating10.0 POUNDS NOMINAL LBS
overall_outside_diameter2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
material_document_and_classificationUNABLE TO DECODE
lubrication_material_document_and_classificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-545-6877
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TAR29-36-158 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
BEARING PRELOAD RATING: 10.0 POUNDS NOMINAL LBS
•
INTERNAL CLEARANCE: 0.0007 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
OVERALL OUTSIDE DIAMETER: 2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
BEARING PRELOAD RATING10.0 POUNDS NOMINAL LBS
INTERNAL CLEARANCE0.0007 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.2496 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
LOAD DIRECTIONANGULAR
BORE DIAMETER1.8121 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
114C3018Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3TAR29-36-158?
3TAR29-36-158 is a BEARING,BALL,DUPLEX.
What parts can replace 3TAR29-36-158?
There is 1 known substitute for 3TAR29-36-158: 114C3018. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TAR29-36-158?
3TAR29-36-158 is cataloged in the U.S. Government catalog under NSN 3110-00-545-6877. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.