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7955077 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

7955077: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL UNS J03001 OVERALL, bore_diameter: 4.3307 INCHES MINIMUM AND 4.3316 INCHES MAXIMUM IN, housing_length: 2.8125 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, housing_diameter: 6.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-795-5077, 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
7955077
NSN: 3130-00-795-5077
FSC: 3130 — Bearings, Mounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL UNS J03001 OVERALL
bore_diameter4.3307 INCHES MINIMUM AND 4.3316 INCHES MAXIMUM IN
housing_length2.8125 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
housing_diameter6.7500 INCHES NOMINAL IN
special_features4 SLOTS 3/4 W X 3/8 DEEP IN SHAFTOPENING AND 63AA FINISH ON BODY PERIPHERY EXCEPT FLANGE W
style_designatorFLANGE BLOCK
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter5.8760 INCHES NOMINAL IN
mounting_hole_diameter0.4063 INCHES NOMINAL IN
material_document_and_classificationQQ-A-681 CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3130-00-795-5077
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7955077 · 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: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-681 CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.4063 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 5.8760 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-681 CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.4063 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER5.8760 INCHES NOMINAL IN
SHAFT END TYPEOPEN
SPECIAL FEATURES4 SLOTS 3/4 W X 3/8 DEEP IN SHAFTOPENING AND 63AA FINISH ON BODY PERIPHERY EXCEPT FLANGE W
BORE DIAMETER4.3307 INCHES MINIMUM AND 4.3316 INCHES MAXIMUM IN
MATERIALSTEEL UNS J03001 OVERALL
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7955077?
7955077 is a HOUSING,BEARING UNIT.
What is the NSN for 7955077?
7955077 is cataloged in the U.S. Government catalog under NSN 3130-00-795-5077. This indicates validated use in U.S. government and defense supply chains.
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