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72779 ✓ 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 is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: STEP JOINT, overall_width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN, inside_diameter: 2.165 INCHES NOMINAL IN, surface_treatment: GRAPHITE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-147-0968, 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
72779
NSN: 3120-00-147-0968
FSC: 3120
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleSTEP JOINT
overall_width0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
inside_diameter2.165 INCHES NOMINAL IN
surface_treatmentGRAPHITE OVERALL
radial_wall_thickness0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN
metallic_hardness_rating98.0 MINIMUM ROCKWELL B AND 106.0 MAXIMUM ROCKWELL B
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN3120-00-147-0968
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 72779 · 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 5
00044Interchangeable
interchangeable cross-reference
interchangeable
5T1220Interchangeable
interchangeable cross-reference
interchangeable
61101Interchangeable
interchangeable cross-reference
interchangeable
222079Interchangeable
interchangeable cross-reference
interchangeable
2039293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 72779?
72779 is a BUSHING.
What parts can replace 72779?
There are 5 known substitutes for 72779: 00044, 5T1220, 61101 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72779?
72779 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-147-0968. 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