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Technical Data Sheet
PartsTable / COMPONENT / 10107858
10107858 ✓ 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,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include bore_diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, special_features: PASSIVATION OPTIONAL, inner_member_width: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, outer_member_width: 0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN, static_radial_load_rating: 65200 POUNDS LBS, outer_member_outside_diameter: 1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-129-6979, 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
10107858
NSN: 3120-01-129-6979
FSC: 3120
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
bore_diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
special_featuresPASSIVATION OPTIONAL
inner_member_width0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
outer_member_width0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
static_radial_load_rating65200 POUNDS LBS
outer_member_outside_diameter1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
NSN3120-01-129-6979
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 10107858 · 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
•
OUTER MEMBER OUTSIDE DIAMETER: 1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
•
STATIC RADIAL LOAD RATING: 65200 POUNDS LBS
•
BORE DIAMETER: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPASSIVATION OPTIONAL
OUTER MEMBER OUTSIDE DIAMETER1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.7500 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING65200 POUNDS LBS
BORE DIAMETER0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
KR4-CWBInterchangeable
interchangeable cross-reference
interchangeable
MS21231-4Interchangeable
interchangeable cross-reference
interchangeable
AS14102Interchangeable
interchangeable cross-reference
interchangeable
KR-7CWBInterchangeable
interchangeable cross-reference
interchangeable
MS14102-7Interchangeable
interchangeable cross-reference
interchangeable
AS81820Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10107858?
10107858 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace 10107858?
There are 23 known substitutes for 10107858: KR4-CWB, MS21231-4, AS14102 and 20 more. Substitute compatibility should be verified for your specific system.
Is 10107858 still available?
10107858 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