PartsTable
Technical Data Sheet
MIL-B-17901A ✓ 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,STERN TUBE is a the manufacturer industrial component. Key specifications include nondefinitive_spec/std_data: 2 CLASS AND 3 TYPE, departure_from_cited_document: AS MODIFIED BY 9.000 IN OD TAIL SHAFT IN, general_characteristics_item_description: FULLY MOLDED SOLID TYPE,UNDRILLED FLANGE,BEARING OUTSIDE DIA 11.375 INLENGTH 34.000 IN,FLANGE 14.500 IN X 0.750 IN 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 3120-01-058-1464, 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
MIL-B-17901A
NSN: 3120-01-058-1464
FSC: 3120
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
nondefinitive_spec/std_data2 CLASS AND 3 TYPE
departure_from_cited_documentAS MODIFIED BY 9.000 IN OD TAIL SHAFT IN
general_characteristics_item_descriptionFULLY MOLDED SOLID TYPE,UNDRILLED FLANGE,BEARING OUTSIDE DIA 11.375 INLENGTH 34.000 IN,FLANGE 14.500 IN X 0.750 IN IN
NSN3120-01-058-1464
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MIL-B-17901A · 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
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY 9.000 IN OD TAIL SHAFT IN
GENERAL CHARACTERISTICS ITEM DESCRIPTION: FULLY MOLDED SPLIT TYPE; FLANGED; WITHOUT PILOT SHOULDER; UNDRILLED FLANGE; BEARING OUTSIDE DIA 11.500 IN; LENGTH 22.500 IN; FLANGE 16.000 IN X 0.750 IN IN
TECHNICAL CHARACTERISTICS (FLIS)
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY 9.000 IN OD TAIL SHAFT IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONFULLY MOLDED SPLIT TYPE; FLANGED; WITHOUT PILOT SHOULDER; UNDRILLED FLANGE; BEARING OUTSIDE DIA 11.500 IN; LENGTH 22.500 IN; FLANGE 16.000 IN X 0.750 IN IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A768Interchangeable
interchangeable cross-reference
interchangeable
3400-49Interchangeable
interchangeable cross-reference
interchangeable
3400-0073Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-17901AInterchangeable
interchangeable cross-reference
interchangeable
A-767Interchangeable
interchangeable cross-reference
interchangeable
ADVFC32SH/883BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-17901A?
MIL-B-17901A is a BEARING,STERN TUBE.
What parts can replace MIL-B-17901A?
There are 7 known substitutes for MIL-B-17901A: A768, 3400-49, 3400-0073 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-17901A?
MIL-B-17901A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-058-1464. This indicates validated use in U.S. government and defense supply chains.
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