PartsTable
Technical Data Sheet
MS21233-7 ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OUTER RACE MEMBER, bore_diameter: 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER, special_features: PASSIVATION OPTIONAL, style_designator: WITH INSERT AND/OR LINER, surface_treatment: PASSIVATE INNER MEMBER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-932-3676, 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
MS21233-7
NSN: 3120-00-932-3676
FSC: 3120
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 630 OUTER RACE MEMBER
bore_diameter0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
special_featuresPASSIVATION OPTIONAL
style_designatorWITH INSERT AND/OR LINER
surface_treatmentPASSIVATE INNER MEMBER
inner_member_width0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
static_radial_load_rating13200 POUNDS LBS
outer_member_outside_diameter0.9057 INCHES MINIMUM AND 0.9062 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
NSN3120-00-932-3676
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS21233-7 · 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
BORE DIAMETER: 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
SURFACE TREATMENT: PASSIVATE OUTER RACE MEMBER
STYLE DESIGNATOR: WITH INSERT AND/OR LINER
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM INNER MEMBER
STATIC RADIAL LOAD RATING: 13200 POUNDS LBS
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OUTER RACE MEMBER
STYLE DESIGNATORWITH INSERT AND/OR LINER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIALSTEEL CORROSION RESISTING OUTER RACE MEMBER
MATERIALSTEEL COMP 440C INNER MEMBER
HARDNESS RATING55.0 ROCKWELL C MINIMUM INNER MEMBER
STATIC RADIAL LOAD RATING13200 POUNDS LBS
SURFACE TREATMENTPASSIVATE INNER MEMBER
HARDNESS RATING23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SAE-AS81820Interchangeable
interchangeable cross-reference
interchangeable
MS14104-7Interchangeable
interchangeable cross-reference
interchangeable
AS14104Interchangeable
interchangeable cross-reference
interchangeable
NRTInterchangeable
Same NIIN cross-reference
interchangeable
HSB7TL107Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21233-7?
MS21233-7 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace MS21233-7?
There are 5 known substitutes for MS21233-7: SAE-AS81820, MS14104-7, AS14104 and 2 more. Substitute compatibility should be verified for your specific system.
Is MS21233-7 still available?
MS21233-7 is currently cancelled.
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