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42123E201 — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

42123E201: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.3750 INCHES NOMINAL FIRST IN, overall_length: 6.5000 INCHES NOMINAL IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 11.0000 INCHES MINIMUM AND 11.0010 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-032-1372, 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
42123E201
NSN: 3120-01-032-1372
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0YAS7 — TIMKEN GEARS & SERVICES INC. DBA PHILADELPHIA GEAR DIV NORTHEAST REGIONAL SERVICE CENTER (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
hole_diameter0.3750 INCHES NOMINAL FIRST IN
overall_length6.5000 INCHES NOMINAL IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter11.0000 INCHES MINIMUM AND 11.0010 INCHES MAXIMUM IN
body_outside_diameter12.9990 INCHES MINIMUM AND 13.0000 INCHES MAXIMUM IN
end_item_identificationUSED ON WESTERN REDUCTION GEAR BOX ONBOARD 378 FT COAST GUARD VESSELS FT
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-01-032-1372
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 42123E201 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 12.9990 INCHES MINIMUM AND 13.0000 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 11.0000 INCHES MINIMUM AND 11.0010 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
MATERIAL: OIL LUBRICATING LUBRICATION
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER12.9990 INCHES MINIMUM AND 13.0000 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH6.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER11.0000 INCHES MINIMUM AND 11.0010 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
END ITEM IDENTIFICATIONUSED ON WESTERN REDUCTION GEAR BOX ONBOARD 378 FT COAST GUARD VESSELS FT
MATERIALOIL LUBRICATING LUBRICATION
MATERIALSTEEL COMP 1020 EXTERNAL OUTER MEMBER
MATERIALTIN ALLOY INTERNAL INNER MEMBER
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
46123E201Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42123E201?
42123E201 is a BEARING HALF,SLEEVE.
What parts can replace 42123E201?
There is 1 known substitute for 42123E201: 46123E201. Substitute compatibility should be verified for your specific system.
What is the NSN for 42123E201?
42123E201 is cataloged in the U.S. Government catalog under NSN 3120-01-032-1372. This indicates validated use in U.S. government and defense supply chains.
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