PartsTable
Technical Data Sheet
H-1143-HPC3 ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER RING, bore_diameter: 1.0000 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.5000 INCHES NOMINAL IN, outer_ring_width: 0.4380 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-027-8142, 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
H-1143-HPC3
NSN: 3110-00-027-8142
FSC: 3110
CAGE: 92772 — THE WHITMOR CO. INC. DIV THE WHITMOR COMAPNY INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_diameter1.0000 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.5000 INCHES NOMINAL IN
outer_ring_width0.4380 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
overall_outside_diameter2.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
material_document_and_classificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
NSN3110-00-027-8142
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: H-1143-HPC3 · 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
OVERALL OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
BEARING SEAL TYPE: CONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH: 0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
LOAD DIRECTION: RADIAL
OUTER RING WIDTH: 0.4380 INCHES NOMINAL IN
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
LOAD DIRECTIONRADIAL
OUTER RING WIDTH0.4380 INCHES NOMINAL IN
SEAL QUANTITY2
SPECIAL FEATURES80 PCT. FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004- 0.0010 IN.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG. F,RADIAL AND LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTER RING 0.0016 IN. IN
MATERIALSTEEL COMP E52100 OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AS27641Interchangeable
interchangeable cross-reference
interchangeable
MKP20AInterchangeable
interchangeable cross-reference
interchangeable
MS27641-10Interchangeable
interchangeable cross-reference
interchangeable
561-6404325-31Interchangeable
interchangeable cross-reference
interchangeable
MS27641-12Interchangeable
interchangeable cross-reference
interchangeable
AS7949Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-1143-HPC3?
H-1143-HPC3 is a BEARING,BALL,AIRFRAME.
What parts can replace H-1143-HPC3?
There are 26 known substitutes for H-1143-HPC3: AS27641, MKP20A, MS27641-10 and 23 more. Substitute compatibility should be verified for your specific system.
Is H-1143-HPC3 still available?
H-1143-HPC3 is currently cancelled.
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