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Technical Data Sheet
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TCR 33-42 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

TCR 33-42: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include end_item_identification: SPECIAL ELECTRONIC AIRCRAFT (E2C), part_name_assigned_by_controlling_agency: BEARING,BALL ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-568-0522, 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
TCR 33-42
NSN: 3130-01-568-0522
FSC: 3130 — Bearings, Mounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
end_item_identificationSPECIAL ELECTRONIC AIRCRAFT (E2C)
part_name_assigned_by_controlling_agencyBEARING,BALL ASSEMBLY
NSN3130-01-568-0522
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: TCR 33-42 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,BALL ASSEMBLY
END ITEM IDENTIFICATIONSPECIAL ELECTRONIC AIRCRAFT (E2C)
SUBSTITUTES & CROSS-REFERENCES 2
C3342BE3P311LY289Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
TCF 33-428 (0) LY-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TCR 33-42?
TCR 33-42 is a BEARING UNIT,PLAIN.
What parts can replace TCR 33-42?
There are 2 known substitutes for TCR 33-42: C3342BE3P311LY289, TCF 33-428 (0) LY-12. Substitute compatibility should be verified for your specific system.
What is the NSN for TCR 33-42?
TCR 33-42 is cataloged in the U.S. Government catalog under NSN 3130-01-568-0522. This indicates validated use in U.S. government and defense supply chains.
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