PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SMB187020
SMB187020 ✓ 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,WASHER,THRUST is a the manufacturer industrial component. Key specifications include special_test_features: CENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES 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 3120-00-528-5517, 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
SMB187020
NSN: 3120-00-528-5517
FSC: 3120
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
special_test_featuresCENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN
NSN3120-00-528-5517
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SMB187020 · 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
•
SPECIAL TEST FEATURES: CENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL TEST FEATURESCENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
H274Interchangeable
interchangeable cross-reference
interchangeable
A1205E135Interchangeable
interchangeable cross-reference
interchangeable
037675Interchangeable
interchangeable cross-reference
interchangeable
1B936Interchangeable
interchangeable cross-reference
interchangeable
11073AInterchangeable
interchangeable cross-reference
interchangeable
SG544-68Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB187020?
SMB187020 is a BEARING,WASHER,THRUST.
What parts can replace SMB187020?
There are 17 known substitutes for SMB187020: H274, A1205E135, 037675 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB187020?
SMB187020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-528-5517. 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