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PartsTable / COMPONENT / NH7139REVCPC881
NH7139REVCPC881 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.2500 INCHES NOMINAL IN, overall_length: 1.6250 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-238-6194, 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
NH7139REVCPC881
NSN: 3120-00-238-6194
FSC: 3120
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOBALT ALLOY OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.2500 INCHES NOMINAL IN
overall_length1.6250 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.6245 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
body_outside_diameter1.1270 INCHES MINIMUM AND 1.1275 INCHES MAXIMUM IN
flange_outside_diameter2.1250 INCHES NOMINAL IN
NSN3120-00-238-6194
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NH7139REVCPC881 · 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: 0.6245 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 2.1250 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.2500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.1270 INCHES MINIMUM AND 1.1275 INCHES MAXIMUM IN
•
SURFACE FINISH: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.6250 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.6245 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER2.1250 INCHES NOMINAL IN
FLANGE WIDTH0.2500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.1270 INCHES MINIMUM AND 1.1275 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
180085Interchangeable
interchangeable cross-reference
interchangeable
B2664REVBPC881Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NH7139REVCPC881?
NH7139REVCPC881 is a BUSHING,SLEEVE.
What parts can replace NH7139REVCPC881?
There are 2 known substitutes for NH7139REVCPC881: 180085, B2664REVBPC881. Substitute compatibility should be verified for your specific system.
Is NH7139REVCPC881 still available?
NH7139REVCPC881 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