PartsTable
Technical Data Sheet
1578DR ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER, corner_shape: SQUARE INSIDE RIGHT CORNER, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, surface_treatment: TIN OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-376-8643, 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
1578DR
NSN: 3120-00-376-8643
FSC: 3120
CAGE: 73160 — FEDERAL-MOGUL CORP POWERTRAIN PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER
corner_shapeSQUARE INSIDE RIGHT CORNER
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length1.0520 INCHES MINIMUM AND 1.0720 INCHES MAXIMUM IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
surface_treatmentTIN OVERALL
body_inside_diameter2.0710 INCHES MINIMUM AND 2.0735 INCHES MAXIMUM IN
body_outside_diameter2.2205 INCHES MINIMUM AND 2.2220 INCHES MAXIMUM IN
lubricant_accommodation_styleINDENTED DIAMOND
material_document_and_classificationQQ-S-643 FED SPEC ALL MATERIAL RESPONSES OUTER LAYER
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-376-8643
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1578DR · 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
BODY INSIDE DIAMETER: 2.0710 INCHES MINIMUM AND 2.0735 INCHES MAXIMUM IN
CORNER SHAPE: CHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER: 2.2205 INCHES MINIMUM AND 2.2220 INCHES MAXIMUM IN
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
SURFACE TREATMENT: TIN OVERALL
MATERIAL: TIN ALLOY INNER LAYER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
HOLE DIAMETER: 0.1875 INCHES NOMINAL FIRST IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER2.0710 INCHES MINIMUM AND 2.0735 INCHES MAXIMUM IN
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER2.2205 INCHES MINIMUM AND 2.2220 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
SURFACE TREATMENTTIN OVERALL
MATERIALTIN ALLOY INNER LAYER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-643 FED SPEC ALL MATERIAL RESPONSES OUTER LAYER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
121555Interchangeable
interchangeable cross-reference
interchangeable
120781Interchangeable
interchangeable cross-reference
interchangeable
DS-G-74893 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
DS-G-74893Interchangeable
interchangeable cross-reference
interchangeable
CS346Interchangeable
Same NIIN cross-reference
interchangeable
70261R1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1578DR?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1578DR?
1578DR is a BEARING,SLEEVE.
What parts can replace 1578DR?
There are 6 known substitutes for 1578DR: 121555, 120781, DS-G-74893 ITEM 3 and 3 more. Substitute compatibility should be verified for your specific system.
Is 1578DR still available?
1578DR is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1578DR