PartsTable
Technical Data Sheet
902-9 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include color: RED LENS, material: STEEL COMP 316 OVERALL, flange_shape: ROUND WITH HOLES SECOND END, thread_class: 3A FIRST END A, connection_type: FLANGE SECOND END, size_designator: 2-188. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-146-8051, 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
902-9
NSN: 3120-00-146-8051
FSC: 3120
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
colorRED LENS
materialSTEEL COMP 316 OVERALL
flange_shapeROUND WITH HOLES SECOND END
thread_class3A FIRST END A
connection_typeFLANGE SECOND END
size_designator2-188
connection_stylePLAIN (TUBE) FIRST END
special_featuresLOW PRESSURE AIR COMPRESSOR
style_designatorPLANO CONVEX
nominal_thickness0.688 INCHES SECOND END IN
surface_conditionPLAIN
bolt_hole_quantity4 SECOND END
NSN3120-00-146-8051
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 902-9 · 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 6
902-9Interchangeable
interchangeable cross-reference
interchangeable
5331PL0844930Interchangeable
interchangeable cross-reference
interchangeable
D2TZ2194-AInterchangeable
interchangeable cross-reference
interchangeable
11534Interchangeable
interchangeable cross-reference
interchangeable
13554541-2Interchangeable
interchangeable cross-reference
interchangeable
13554541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 902-9?
902-9 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 902-9?
There are 6 known substitutes for 902-9: 902-9, 5331PL0844930, D2TZ2194-A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 902-9?
902-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-146-8051. This indicates validated use in U.S. government and defense supply chains.
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