PartsTable
Technical Data Sheet
MS21233-8 ✓ 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: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER, style_designator: WITH INSERT AND/OR LINER, inner_member_width: 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, outer_member_width: 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-825-3419, 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
MS21233-8
NSN: 3120-00-825-3419
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_diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
style_designatorWITH INSERT AND/OR LINER
inner_member_width0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
outer_member_width0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
static_radial_load_rating17900 POUNDS LBS
outer_member_outside_diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
NSN3120-00-825-3419
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS21233-8 · 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
MATERIAL: PLASTIC TETRAFLUOROETHYLENE RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM INNER MEMBER
STYLE DESIGNATOR: WITH INSERT AND/OR LINER
INNER MEMBER WIDTH: 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC TETRAFLUOROETHYLENE RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING55.0 ROCKWELL C MINIMUM INNER MEMBER
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
MATERIALSTEEL COMP 440C INNER MEMBER
STYLE DESIGNATORWITH INSERT AND/OR LINER
INNER MEMBER WIDTH0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
BORE DIAMETER0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING17900 POUNDS LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
945273-8Interchangeable
interchangeable cross-reference
interchangeable
MS14104-8Interchangeable
interchangeable cross-reference
interchangeable
AS14104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21233-8?
MS21233-8 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace MS21233-8?
There are 3 known substitutes for MS21233-8: 945273-8, MS14104-8, AS14104. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21233-8?
MS21233-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-825-3419. This indicates validated use in U.S. government and defense supply chains.
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