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Technical Data Sheet
PartsTable / COMPONENT / 99132478
99132478 ✓ 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 body_width: 7.750 INCHES NOMINAL IN, drive_type: SQUARE, body_height: 6.500 INCHES NOMINAL IN, body_length: 8.750 INCHES NOMINAL IN, contact_type: PIN, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-148-1909, 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
99132478
NSN: 3120-01-148-1909
FSC: 3120
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
body_width7.750 INCHES NOMINAL IN
drive_typeSQUARE
body_height6.500 INCHES NOMINAL IN
body_length8.750 INCHES NOMINAL IN
contact_typePIN
inclosure_typeHERMETICALLY SEALED
overall_height7.656 INCHES NOMINAL IN
overall_length88.7 MILLIMETERS NOMINAL MM
mounting_methodCONNECTION
size_designator0.500 INCHES NOMINAL IN
contact_quantity4
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN3120-01-148-1909
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 99132478 · 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
TR1053CHANGEHInterchangeable
interchangeable cross-reference
interchangeable
32478Interchangeable
interchangeable cross-reference
interchangeable
A465Interchangeable
interchangeable cross-reference
interchangeable
D103322Interchangeable
interchangeable cross-reference
interchangeable
M5-3-8-375Interchangeable
interchangeable cross-reference
interchangeable
1385500 DESIGNATION M5 3/8 0.375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99132478?
99132478 is a BEARING,SLEEVE.
What parts can replace 99132478?
There are 8 known substitutes for 99132478: TR1053CHANGEH, 32478, A465 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99132478?
99132478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-148-1909. 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