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Technical Data Sheet
PartsTable / COMPONENT / 121657
121657 ✓ 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

REBUSHING KIT,TORQUE ROD,VEHICUL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-352-6323, 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
121657
NSN: 3120-00-352-6323
FSC: 3120
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION CUCF-4;ADDITIONAL ITEM INFORMATION 12X200 CUCF-4 952;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN3120-00-352-6323
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 121657 · 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
•
FLANGE WIDTH: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 2.3337 INCHES MINIMUM AND 2.3537 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.6240 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 937 OVERALL
•
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
OVERALL LENGTH2.4275 INCHES MINIMUM AND 2.4475 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.3337 INCHES MINIMUM AND 2.3537 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.6240 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 937 OVERALL
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPEROUND INSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3-2194Interchangeable
interchangeable cross-reference
interchangeable
70130-1Interchangeable
interchangeable cross-reference
interchangeable
S1495-4Interchangeable
interchangeable cross-reference
interchangeable
H20104Interchangeable
interchangeable cross-reference
interchangeable
4LOLAInterchangeable
interchangeable cross-reference
interchangeable
121657Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121657?
121657 is a REBUSHING KIT,TORQUE ROD,VEHICUL.
What parts can replace 121657?
There are 8 known substitutes for 121657: 3-2194, 70130-1, S1495-4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121657?
121657 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-352-6323. 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