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Technical Data Sheet
PartsTable / COMPONENT / B12077
B12077 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include design_type: REUSABLE, overall_width: 32.000 INCHES NOMINAL IN, body_thickness: 1.000 INCHES NOMINAL IN, style_designator: RECTANGULAR (INCL SQUARE), body_overall_length: 22.250 INCHES NOMINAL IN, end_item_identification: TEST LAB HOOD W/UV. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-622-7883, 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
B12077
NSN: 3120-00-622-7883
FSC: 3120
CAGE: 07058 — AIREX RUBBER PRODUCTS CORPORATION DBA AIREX RUBBER PRODUCTS CORP (USA)
SPECIFICATIONS
design_typeREUSABLE
overall_width32.000 INCHES NOMINAL IN
body_thickness1.000 INCHES NOMINAL IN
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length22.250 INCHES NOMINAL IN
end_item_identificationTEST LAB HOOD W/UV
part_name_assigned_by_controlling_agencyPRE-FILTER
NSN3120-00-622-7883
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B12077 · 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 8
DDD-S-251Interchangeable
interchangeable cross-reference
interchangeable
12077Interchangeable
interchangeable cross-reference
interchangeable
HA4849A7CHANGEAInterchangeable
interchangeable cross-reference
interchangeable
7907-1Interchangeable
interchangeable cross-reference
interchangeable
0839000X5F0 241KInterchangeable
interchangeable cross-reference
interchangeable
839-000X5F0-241KInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B12077?
B12077 is a BEARING,SLEEVE.
What parts can replace B12077?
There are 8 known substitutes for B12077: DDD-S-251, 12077, HA4849A7CHANGEA and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B12077?
B12077 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-622-7883. 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