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5HJH-305-38 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5HJH-305-38: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RACE, bore_diameter: 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN, overall_width: 1.3286 INCHES MINIMUM AND 1.3386 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, special_features: DUPLEX BEARING SET TO BE PACKAGED AS A SET;CAGE TO BE SILVER PLATED 0.0005-0.0015 THK PER AMS 2412. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-182-6680, 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
5HJH-305-38
NSN: 3110-01-182-6680
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER RACE
bore_diameter0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
overall_width1.3286 INCHES MINIMUM AND 1.3386 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresDUPLEX BEARING SET TO BE PACKAGED AS A SET;CAGE TO BE SILVER PLATED 0.0005-0.0015 THK PER AMS 2412
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
end_item_identificationACFT ENG F-101
overall_outside_diameter2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.5
NSN3110-01-182-6680
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5HJH-305-38 · 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
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0011 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: 2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH1.3286 INCHES MINIMUM AND 1.3386 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESDUPLEX BEARING SET TO BE PACKAGED AS A SET;CAGE TO BE SILVER PLATED 0.0005-0.0015 THK PER AMS 2412
END ITEM IDENTIFICATIONACFT ENG F-101
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 2
MR305B12C3K1217-1A5Reference document
Same NSN cross-reference
Reference document — Secondary reference
5903448Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5HJH-305-38?
5HJH-305-38 is a BEARING,BALL,DUPLEX.
What parts can replace 5HJH-305-38?
There are 2 known substitutes for 5HJH-305-38: MR305B12C3K1217-1A5, 5903448. Substitute compatibility should be verified for your specific system.
What is the NSN for 5HJH-305-38?
5HJH-305-38 is cataloged in the U.S. Government catalog under NSN 3110-01-182-6680. This indicates validated use in U.S. government and defense supply chains.
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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.