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Technical Data Sheet
PartsTable / COMPONENT / ASSB20V65
ASSB20V65 ✓ 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: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, hardness_rating: 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER, style_designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE, surface_treatment: CHROMIUM INNER MEMBER, inner_member_width: 1.1950 INCHES MINIMUM AND 1.2000 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 3120-00-031-1227, 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
ASSB20V65
NSN: 3120-00-031-1227
FSC: 3120
CAGE: 15862 — AEROSPACE DESIGN INC SIEBELAIR VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER RACE MEMBER
bore_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
hardness_rating57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER
style_designatorWITHOUT INSERT OR LINER WITH STAKING GROOVE
surface_treatmentCHROMIUM INNER MEMBER
inner_member_width1.1950 INCHES MINIMUM AND 1.2000 INCHES MAXIMUM IN
outer_member_width0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
static_radial_load_rating30200 POUNDS LBS
outer_member_outside_diameter2.0000 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN
NSN3120-00-031-1227
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ASSB20V65 · 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: STEEL COMP 630 OUTER RACE MEMBER
•
SURFACE TREATMENT: CHROMIUM INNER MEMBER
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER WITH STAKING GROOVE
•
STATIC RADIAL LOAD RATING: 30200 POUNDS LBS
•
OUTER MEMBER WIDTH: 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
•
HARDNESS RATING: 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
SURFACE TREATMENTCHROMIUM INNER MEMBER
STYLE DESIGNATORWITHOUT INSERT OR LINER WITH STAKING GROOVE
STATIC RADIAL LOAD RATING30200 POUNDS LBS
MATERIALSTEEL COMP 440C INNER MEMBER
OUTER MEMBER WIDTH0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
BORE DIAMETER1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER
OUTER MEMBER OUTSIDE DIAMETER2.0000 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN
INNER MEMBER WIDTH1.1950 INCHES MINIMUM AND 1.2000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
GGG-V-410 TY4Interchangeable
interchangeable cross-reference
interchangeable
87Interchangeable
interchangeable cross-reference
interchangeable
C-0Interchangeable
interchangeable cross-reference
interchangeable
55752Interchangeable
interchangeable cross-reference
interchangeable
1000-22Interchangeable
interchangeable cross-reference
interchangeable
GB520CM1250HInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASSB20V65?
ASSB20V65 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace ASSB20V65?
There are 6 known substitutes for ASSB20V65: GGG-V-410 TY4, 87, C-0 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASSB20V65?
ASSB20V65 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-1227. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026