PartsTable
Technical Data Sheet
PartsTable / COMPONENT / H12257
H12257 ✓ 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: COPPER ALLOY OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.0938 INCHES NOMINAL IN, overall_length: 1.3438 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 1.5030 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-141-9477, 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
H12257
NSN: 3120-00-141-9477
FSC: 3120
CAGE: 02032 — HOLLINGSWORTH JOHN R CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.0938 INCHES NOMINAL IN
overall_length1.3438 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.5030 INCHES NOMINAL IN
body_outside_diameter1.7520 INCHES NOMINAL IN
flange_outside_diameter2.0000 INCHES NOMINAL IN
NSN3120-00-141-9477
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H12257 · 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: 0.0938 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.5030 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.0938 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.5030 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIALCOPPER ALLOY OVERALL
BODY OUTSIDE DIAMETER1.7520 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
15418Interchangeable
interchangeable cross-reference
interchangeable
15433 REVA PC017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy H12257?
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 H12257?
H12257 is a BEARING,SLEEVE.
What parts can replace H12257?
There are 2 known substitutes for H12257: 15418, 15433 REVA PC017. Substitute compatibility should be verified for your specific system.
What is the NSN for H12257?
H12257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-141-9477. This indicates validated use in U.S. government and defense supply chains.
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 — H12257

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026