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Technical Data Sheet
PartsTable / COMPONENT / BS4-1372PC13
BS4-1372PC13 ✓ 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 LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.2500 INCHES NOMINAL IN, overall_length: 3.7500 INCHES MINIMUM AND 3.7550 INCHES MAXIMUM IN, hardness_rating: 27.0 ROCKWELL C NOMINAL OVERALL, keyway_dimension: 0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH 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 3120-00-468-0997, 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
BS4-1372PC13
NSN: 3120-00-468-0997
FSC: 3120
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.2500 INCHES NOMINAL IN
overall_length3.7500 INCHES MINIMUM AND 3.7550 INCHES MAXIMUM IN
hardness_rating27.0 ROCKWELL C NOMINAL OVERALL
keyway_dimension0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.1250 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN
body_outside_diameter1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
flange_outside_diameter1.6150 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM IN
NSN3120-00-468-0997
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BS4-1372PC13 · 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 OUTSIDE DIAMETER: 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 1.6150 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.1250 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
KEYWAY DIMENSION: 0.0938 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
•
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER1.6150 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.1250 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN
OVERALL LENGTH3.7500 INCHES MINIMUM AND 3.7550 INCHES MAXIMUM IN
FLANGE WIDTH0.2500 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
KEYWAY DIMENSION0.0938 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
CORNER SHAPESQUARE INSIDE LEFT CORNER
KEYWAY DIMENSION0.2500 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
KEYWAY DIMENSION0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AN-6290-4Interchangeable
interchangeable cross-reference
interchangeable
D6-4Interchangeable
interchangeable cross-reference
interchangeable
AS28778-4Interchangeable
interchangeable cross-reference
interchangeable
P21338-001-01Interchangeable
interchangeable cross-reference
interchangeable
910423-001Interchangeable
interchangeable cross-reference
interchangeable
CA19323-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS4-1372PC13?
BS4-1372PC13 is a BEARING,SLEEVE.
What parts can replace BS4-1372PC13?
There are 11 known substitutes for BS4-1372PC13: AN-6290-4, D6-4, AS28778-4 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS4-1372PC13?
BS4-1372PC13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-468-0997. 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