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Technical Data Sheet
PartsTable / MRO / 159821
159821 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 material: COPPER ALLOY OVERALL, seat_angle: 37.0 DEGREES, thread_class: 2B INTERNAL, connection_style: FLARE, style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-765-6687, 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
MRO→ MRO_GENERAL→ 159821
NSN: 3120-00-765-6687
FSC: 3120
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle37.0 DEGREES
thread_class2B INTERNAL
connection_styleFLARE
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
features_providedSCREW AND CHAIN ASSEMBLY
nominal_thread_size0.500 INCHES INTERNAL IN
thread_series_designatorUNF INTERNAL
material_document_and_classificationASTM B16-A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
tube_outside_diameter_for_which_designed0.312 INCHES NOMINAL IN
NSN3120-00-765-6687
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 159821 · 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 16
57806Interchangeable
interchangeable cross-reference
interchangeable
147541Interchangeable
interchangeable cross-reference
interchangeable
2810CH37-055-3Interchangeable
interchangeable cross-reference
interchangeable
73827W1ITEM2Interchangeable
interchangeable cross-reference
interchangeable
987327Interchangeable
interchangeable cross-reference
interchangeable
69-58Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 159821?
159821 is a BEARING,WASHER,THRUST. It is classified as a MRO (MRO_GENERAL).
What parts can replace 159821?
There are 16 known substitutes for 159821: 57806, 147541, 2810CH37-055-3 and 13 more. Substitute compatibility should be verified for your specific system.
Is 159821 still available?
159821 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