PartsTable
Technical Data Sheet
PartsTable / COMPONENT / B2024-20
B2024-20 ✓ 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,SPHERICAL is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 2.4920 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2515 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN, body_outside_diameter: 1.5015 INCHES MINIMUM AND 1.5030 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 3120-01-128-8041, 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
B2024-20
NSN: 3120-01-128-8041
FSC: 3120
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length2.4920 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2515 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN
body_outside_diameter1.5015 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
material_document_and_classificationASTM B438 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-128-8041
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B2024-20 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
35204Interchangeable
interchangeable cross-reference
interchangeable
B2024-20Interchangeable
interchangeable cross-reference
interchangeable
LL-HX4-0439Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2024-20?
B2024-20 is a BEARING,PLAIN,SPHERICAL.
What parts can replace B2024-20?
There are 3 known substitutes for B2024-20: 35204, B2024-20, LL-HX4-0439. Substitute compatibility should be verified for your specific system.
What is the NSN for B2024-20?
B2024-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-128-8041. 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