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PartsTable / COMPONENT / BACB10A438
BACB10A438 ✓ 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,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL BALL, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.3125 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, overall_length: 3.0625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-529-9201, 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
BACB10A438
NSN: 3110-00-529-9201
FSC: 3110
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL BALL
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.3125 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length3.0625 INCHES NOMINAL IN
shank_diameter0.4375 INCHES NOMINAL IN
inner_ring_width0.8700 INCHES NOMINAL IN
outer_ring_width0.6560 INCHES NOMINAL IN
special_featuresPLUS 0.0000 IN. MINUS 0.0003 IN. BORE TOLERANCE,PORM 0.0100 IN. OD TOLERANCE,REDUCED RADIAL CLEARANCE,2 SNAP WASHERS IN
style_designatorDOUBLE ROW, STAGGERED, BALL
NSN3110-00-529-9201
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BACB10A438 · 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
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL ROD END BODY
•
STYLE DESIGNATOR: DOUBLE ROW, STAGGERED, BALL
•
OVERALL OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND
•
SHANK STYLE: EXTERNALLY THREADED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL ROD END BODY
STYLE DESIGNATORDOUBLE ROW, STAGGERED, BALL
MATERIALSTEEL OUTER RING
OVERALL OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD DIRECTIONRIGHT-HAND
SHANK STYLEEXTERNALLY THREADED
SELF-ALIGNMENT LOCATIONINTERNAL
SHANK THREAD LENGTH1.5625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
137158Interchangeable
interchangeable cross-reference
interchangeable
GB525L5CInterchangeable
interchangeable cross-reference
interchangeable
MS21151-11Interchangeable
interchangeable cross-reference
interchangeable
MS21151-11GInterchangeable
interchangeable cross-reference
interchangeable
AS21151Interchangeable
interchangeable cross-reference
interchangeable
BACB10AD7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACB10A438?
BACB10A438 is a BEARING,BALL,ROD END.
What parts can replace BACB10A438?
There are 10 known substitutes for BACB10A438: 137158, GB525L5C, MS21151-11 and 7 more. Substitute compatibility should be verified for your specific system.
Is BACB10A438 still available?
BACB10A438 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026