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Technical Data Sheet
PartsTable / COMPONENT / 902629-1
902629-1 ✓ 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 material: STEEL COMP 8630 OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN, overall_length: 4.7300 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, special_features: BODY DIA RELIEF TO 2.0620 IN. DIA,TWO HOLES IN LINE 1.000 IN.

DIA 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 3120-01-068-7492, 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
902629-1
NSN: 3120-01-068-7492
FSC: 3120
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
overall_length4.7300 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
special_featuresBODY DIA RELIEF TO 2.0620 IN. DIA,TWO HOLES IN LINE 1.000 IN. DIA IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.9375 INCHES MINIMUM AND 1.9385 INCHES MAXIMUM IN
body_outside_diameter2.1238 INCHES MINIMUM AND 2.1248 INCHES MAXIMUM IN
flange_outside_diameter2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6050,COND C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-068-7492
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 902629-1 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
•
CORNER SHAPE: ROUND LEFT FLANGE BODY CORNER
•
BODY OUTSIDE DIAMETER: 2.1238 INCHES MINIMUM AND 2.1248 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.9375 INCHES MINIMUM AND 1.9385 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER2.1238 INCHES MINIMUM AND 2.1248 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER2.8600 INCHES MINIMUM AND 2.8900 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.9375 INCHES MINIMUM AND 1.9385 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
FLANGE WIDTH0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
OVERALL LENGTH4.7300 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
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88-19700Interchangeable
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11226-RInterchangeable
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H40-CInterchangeable
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81203-210Interchangeable
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2587724Interchangeable
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LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 902629-1?
902629-1 is a BUSHING,SLEEVE.
What parts can replace 902629-1?
There are 14 known substitutes for 902629-1: 33446, 88-19700, 11226-R and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 902629-1?
902629-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-068-7492. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026