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Technical Data Sheet
PartsTable / COMPONENT / ASBG8SP11
ASBG8SP11 ✓ 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 E52100 INNER MEMBER, bore_diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, hardness_rating: 56.0 ROCKWELL C NOMINAL INNER MEMBER, style_designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE, surface_treatment: CADMIUM OUTER RACE MEMBER, inner_member_width: 0.4950 INCHES MINIMUM AND 0.5000 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 3120-00-975-0831, 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
ASBG8SP11
NSN: 3120-00-975-0831
FSC: 3120
CAGE: 15860 — NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER MEMBER
bore_diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
hardness_rating56.0 ROCKWELL C NOMINAL INNER MEMBER
style_designatorWITHOUT INSERT OR LINER WITH STAKING GROOVE
surface_treatmentCADMIUM OUTER RACE MEMBER
inner_member_width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
outer_member_width0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
lubrication_featurePERFORATION OUTER RACE MEMBER
static_radial_load_rating9750 POUNDS LBS
outer_member_outside_diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
NSN3120-00-975-0831
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ASBG8SP11 · 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
•
HARDNESS RATING: 56.0 ROCKWELL C NOMINAL INNER MEMBER
•
MATERIAL: COPPER ALLOY OUTER RACE MEMBER
•
LUBRICATION FEATURE: GROOVE INTERNAL INNER MEMBER
•
OUTER MEMBER OUTSIDE DIAMETER: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
•
STATIC RADIAL LOAD RATING: 9750 POUNDS LBS
•
OUTER MEMBER WIDTH: 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING56.0 ROCKWELL C NOMINAL INNER MEMBER
MATERIALCOPPER ALLOY OUTER RACE MEMBER
LUBRICATION FEATUREGROOVE INTERNAL INNER MEMBER
OUTER MEMBER OUTSIDE DIAMETER0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING9750 POUNDS LBS
OUTER MEMBER WIDTH0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
LUBRICATION FEATUREGROOVE EXTERNAL OUTER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
235A2508EC06Interchangeable
interchangeable cross-reference
interchangeable
235A2508EC05Interchangeable
interchangeable cross-reference
interchangeable
235A25C8EC04Interchangeable
interchangeable cross-reference
interchangeable
55204Interchangeable
interchangeable cross-reference
interchangeable
100-042Interchangeable
interchangeable cross-reference
interchangeable
100-042-CC42Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASBG8SP11?
ASBG8SP11 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace ASBG8SP11?
There are 11 known substitutes for ASBG8SP11: 235A2508EC06, 235A2508EC05, 235A25C8EC04 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASBG8SP11?
ASBG8SP11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-975-0831. 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.
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Last verified: July 2026