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Technical Data Sheet
PartsTable / COMPONENT / SY1-3/4-TM
SY1-3/4-TM ✓ 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 SY1-3/4-TM is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-116-9044, 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
SY1-3/4-TM
NSN: 3130-00-116-9044
FSC: 3130
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
Part NumberSY1-3/4-TM
NSN3130-00-116-9044
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SY1-3/4-TM · 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
•
MATERIAL: STEEL AND WOOL SEAL
•
HOUSING WIDTH: 7.2500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.8312 INCHES NOMINAL IN
•
ROLLING ELEMENT GROOVE QUANTITY: 1
•
BASE LENGTH: 2.0000 INCHES NOMINAL IN
•
SEAL TYPE: CONTACT
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL AND WOOL SEAL
HOUSING WIDTH7.2500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.8312 INCHES NOMINAL IN
ROLLING ELEMENT GROOVE QUANTITY1
BASE LENGTH2.0000 INCHES NOMINAL IN
SEAL TYPECONTACT
BORE DIAMETER1.7500 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE2.1250 INCHES NOMINAL IN
MATERIALIRON CAST HOUSING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
WC88008Interchangeable
interchangeable cross-reference
interchangeable
P228Interchangeable
interchangeable cross-reference
interchangeable
P312-8Interchangeable
interchangeable cross-reference
interchangeable
7512513P1Interchangeable
interchangeable cross-reference
interchangeable
2D80Interchangeable
interchangeable cross-reference
interchangeable
1004843-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SY1-3/4-TM?
SY1-3/4-TM is a SY1-3/4-TM.
What parts can replace SY1-3/4-TM?
There are 13 known substitutes for SY1-3/4-TM: WC88008, P228, P312-8 and 10 more. Substitute compatibility should be verified for your specific system.
Is SY1-3/4-TM still available?
SY1-3/4-TM is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026