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KBE12-50 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

KBE12-50: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 ROD END BODY, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.7495 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN, overall_length: 4.3650 INCHES MINIMUM AND 4.3850 INCHES MAXIMUM IN, hardness_rating: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM ROD END BODY. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-232-6337, 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
KBE12-50
NSN: 3120-01-232-6337
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 ROD END BODY
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.7495 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
overall_length4.3650 INCHES MINIMUM AND 4.3850 INCHES MAXIMUM IN
hardness_rating55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM ROD END BODY
thread_diameter0.8750 INCHES NOMINAL IN
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCHROMIUM ROD END BODY
inner_member_width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
outer_member_width0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
NSN3120-01-232-6337
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KBE12-50 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK THREAD LENGTH: 1.8440 INCHES MINIMUM AND 1.9370 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
•
BORE CENTER TO SHANK END DISTANCE: 3.3650 INCHES MINIMUM AND 3.3850 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM RACE INSERT
•
OUTER MEMBER WIDTH: 0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH1.8440 INCHES MINIMUM AND 1.9370 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
BORE CENTER TO SHANK END DISTANCE3.3650 INCHES MINIMUM AND 3.3850 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM RACE INSERT
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM ROD END BODY
OUTER MEMBER WIDTH0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.8750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 2
ST36D42-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
SWREM-12-006Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KBE12-50?
KBE12-50 is a BEARING,PLAIN,ROD END.
What parts can replace KBE12-50?
There are 2 known substitutes for KBE12-50: ST36D42-9, SWREM-12-006. Substitute compatibility should be verified for your specific system.
What is the NSN for KBE12-50?
KBE12-50 is cataloged in the U.S. Government catalog under NSN 3120-01-232-6337. 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.