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157205-01 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

157205-01: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, bore_diameter: 0.8751 INCHES MINIMUM AND 0.8753 INCHES MAXIMUM IN, housing_length: 0.3000 INCHES NOMINAL IN, flange_thickness: 0.0600 INCHES NOMINAL IN, housing_diameter: 1.4000 INCHES NOMINAL IN, bolt_circle_diameter: 1.2000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-073-4739, 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
157205-01
NSN: 3130-01-073-4739
FSC: 3130 — Bearings, Mounted
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
bore_diameter0.8751 INCHES MINIMUM AND 0.8753 INCHES MAXIMUM IN
housing_length0.3000 INCHES NOMINAL IN
flange_thickness0.0600 INCHES NOMINAL IN
housing_diameter1.4000 INCHES NOMINAL IN
bolt_circle_diameter1.2000 INCHES NOMINAL IN
material_document_and_classificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3130-01-073-4739
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 157205-01 · 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
•
FLANGE THICKNESS: 0.0600 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BOLT CIRCLE DIAMETER: 1.2000 INCHES NOMINAL IN
•
BORE DIAMETER: 0.8751 INCHES MINIMUM AND 0.8753 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
HOUSING LENGTH: 0.3000 INCHES NOMINAL IN
•
HOUSING DIAMETER: 1.4000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.0600 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BOLT CIRCLE DIAMETER1.2000 INCHES NOMINAL IN
BORE DIAMETER0.8751 INCHES MINIMUM AND 0.8753 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OVERALL
HOUSING LENGTH0.3000 INCHES NOMINAL IN
HOUSING DIAMETER1.4000 INCHES NOMINAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157205-01?
157205-01 is a HOUSING,BEARING UNIT.
What is the NSN for 157205-01?
157205-01 is cataloged in the U.S. Government catalog under NSN 3130-01-073-4739. 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.