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GB528A1 — RING,BEARING,INNER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

GB528A1: RING,BEARING,INNER.

The RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, overall_width: 1.0830 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN, surface_finish: GROUND, style_designator: INNER RING, BALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-306-9620, 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
GB528A1
NSN: 3110-01-306-9620
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
overall_width1.0830 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorINNER RING, BALL
surface_treatmentCHROMIUM OUTER RING
overall_outside_diameter1.7940 INCHES MINIMUM AND 1.7950 INCHES MAXIMUM IN
material_document_and_classificationSAE53100 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
NSN3110-01-306-9620
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: GB528A1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: INNER RING, BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE53100 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.7940 INCHES MINIMUM AND 1.7950 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
SURFACE TREATMENT: CHROMIUM OUTER RING
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
SURFACE FINISHGROUND
STYLE DESIGNATORINNER RING, BALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE53100 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH1.0830 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.7940 INCHES MINIMUM AND 1.7950 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SURFACE TREATMENTCHROMIUM OUTER RING
BORE DIAMETER1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
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 GB528A1?
GB528A1 is a RING,BEARING,INNER.
What is the NSN for GB528A1?
GB528A1 is cataloged in the U.S. Government catalog under NSN 3110-01-306-9620. This indicates validated use in U.S. government and defense supply chains.
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