PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 8442122-1
8442122-1 ✓ 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 BEARING is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL OVERALL, head_style: HEXAGON, surface_treatment: OXIDE OVERALL, end_item_identification: FILTER,1 ST. STAGE REDUCER INLET, part_name_assigned_by_controlling_agency: FILTER,AIR,CHEMICAL-BIOLOGICAL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-175-9244, 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
8442122-1
NSN: 3120-00-175-9244
FSC: 3120
CAGE: 07325 — PIONEER MOTOR BEARING CO. (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
head_styleHEXAGON
special_featuresBLACK OXIDE 18-8 STAINLESS STEEL HEX DRIVE FLAT HEAD SCREW, 8-32 THREAD SIZE,5/8 LONG. USED TO ATTACH SCOPE RAIL TO RECIEVER OF MK15 MOD 1 SNIPER, RIFLE.
surface_treatmentOXIDE OVERALL
end_item_identificationFILTER,1 ST. STAGE REDUCER INLET
part_name_assigned_by_controlling_agencyFILTER,AIR,CHEMICAL-BIOLOGICAL
NSN3120-00-175-9244
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8442122-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5330PL0788791Interchangeable
interchangeable cross-reference
interchangeable
20831-7Interchangeable
interchangeable cross-reference
interchangeable
60036Interchangeable
interchangeable cross-reference
interchangeable
255-429AInterchangeable
interchangeable cross-reference
interchangeable
30636Interchangeable
interchangeable cross-reference
interchangeable
200R-562Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8442122-1?
8442122-1 is a BEARING.
What parts can replace 8442122-1?
There are 13 known substitutes for 8442122-1: 5330PL0788791, 20831-7, 60036 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8442122-1?
8442122-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-175-9244. 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