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1028734 ✓ 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 ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, point_type: SPLIT, point_angle: 135.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 1.000 INCHES NOMINAL IN, overall_length: 23.75 INCHES MINIMUM AND 24.25 INCHES MAXIMUM 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 3120-00-997-2753, 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
1028734
NSN: 3120-00-997-2753
FSC: 3120
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeSPLIT
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length1.000 INCHES NOMINAL IN
flute_quantity2
overall_length23.75 INCHES MINIMUM AND 24.25 INCHES MAXIMUM IN
shank_diameter0.152 INCHES NOMINAL IN
drive_end_shapeSQUARE SECOND END EXTERNAL
special_featuresSCREW MACHINE LG; WIRE SIZE 24
style_designatorRIGID
cutting_end_styleGENERAL PURPOSE
NSN3120-00-997-2753
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1028734 · 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
41324Interchangeable
interchangeable cross-reference
interchangeable
M41CO 24Interchangeable
interchangeable cross-reference
interchangeable
NAS907Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYFSZ24Interchangeable
interchangeable cross-reference
interchangeable
157812-0001Interchangeable
interchangeable cross-reference
interchangeable
X24EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1028734?
1028734 is a ROLLER.
What parts can replace 1028734?
There are 8 known substitutes for 1028734: 41324, M41CO 24, NAS907 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1028734?
1028734 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-997-2753. 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