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Technical Data Sheet
PartsTable / COMPONENT / 90957-991
90957-991 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include length: 1.516 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN, material: ALUMINUM BLADE, drive_type: DIRECT, air_flow_rate: 65.0 CUBIC FEET PER MINUTE MAXIMUM, flow_direction: OUTWARD, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-167-1944, 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
90957-991
NSN: 3120-01-167-1944
FSC: 3120
CAGE: 0BAT5 — U.S. DEFENSE SERVICES, INC. DBA USDS (USA)
SPECIFICATIONS
length1.516 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
materialALUMINUM BLADE
drive_typeDIRECT
air_flow_rate65.0 CUBIC FEET PER MINUTE MAXIMUM
flow_directionOUTWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
surface_treatmentENAMEL BLADE
electrical_connection_typeTERMINAL
ambient_temp_at_full_rated_power100.0 CELSIUS DEGC
NSN3120-01-167-1944
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 90957-991 · 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 12
YF4AInterchangeable
interchangeable cross-reference
interchangeable
010099Interchangeable
interchangeable cross-reference
interchangeable
YF11Interchangeable
interchangeable cross-reference
interchangeable
1115380Interchangeable
interchangeable cross-reference
interchangeable
1300667Interchangeable
interchangeable cross-reference
interchangeable
CD2000T102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90957-991?
90957-991 is a BUSHING,SLEEVE.
What parts can replace 90957-991?
There are 12 known substitutes for 90957-991: YF4A, 010099, YF11 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90957-991?
90957-991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-167-1944. 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