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170-39030 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

170-39030: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL HOUSING, bore_diameter: 0.3120 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN, alignment_type: RIGID, housing_height: 0.7720 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN, housing_length: 0.4680 INCHES MINIMUM AND 0.4780 INCHES MAXIMUM IN, shaft_end_type: OPEN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-246-6640, 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
170-39030
NSN: 3130-00-246-6640
FSC: 3130 — Bearings, Mounted
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL HOUSING
bore_diameter0.3120 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
alignment_typeRIGID
housing_height0.7720 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN
housing_length0.4680 INCHES MINIMUM AND 0.4780 INCHES MAXIMUM IN
shaft_end_typeOPEN
NSN3130-00-246-6640
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 170-39030 · 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
•
HOUSING HEIGHT: 0.7720 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 0.3120 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
•
MATERIAL: STEEL HOUSING
•
HOUSING LENGTH: 0.4680 INCHES MINIMUM AND 0.4780 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT0.7720 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SHAFT END TYPEOPEN
BORE DIAMETER0.3120 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
MATERIALSTEEL HOUSING
HOUSING LENGTH0.4680 INCHES MINIMUM AND 0.4780 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 170-39030?
170-39030 is a BEARING UNIT,PLAIN.
What is the NSN for 170-39030?
170-39030 is cataloged in the U.S. Government catalog under NSN 3130-00-246-6640. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.