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PartsTable / COMPONENT / SK2670 PC 28
SK2670 PC 28 ✓ 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 OVERALL, bore_shape: STRAIGHT, case_style: SQUARE, seal_width: 0.625 INCHES NOMINAL IN, bore_diameter: 20.0 MILLIMETERS NOMINAL MM, overall_width: 14.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-443-2894, 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
SK2670 PC 28
NSN: 3120-01-443-2894
FSC: 3120
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
bore_diameter20.0 MILLIMETERS NOMINAL MM
overall_width14.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
housing_bore_diameter4.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM
NSN3120-01-443-2894
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SK2670 PC 28 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
XCR-32396Interchangeable
interchangeable cross-reference
interchangeable
JM172Interchangeable
interchangeable cross-reference
interchangeable
61033Interchangeable
interchangeable cross-reference
interchangeable
T8601330P95Interchangeable
interchangeable cross-reference
interchangeable
A181-28Interchangeable
interchangeable cross-reference
interchangeable
C31-10084-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK2670 PC 28?
SK2670 PC 28 is a BEARING,SLEEVE.
What parts can replace SK2670 PC 28?
There are 8 known substitutes for SK2670 PC 28: XCR-32396, JM172, 61033 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK2670 PC 28?
SK2670 PC 28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-443-2894. 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