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538HG-2 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

538HG-2: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: COTTON AND PLASTIC PHENOLIC RETAINER, bore_shape: STRAIGHT, bore_diameter: 8.0 MILLIMETERS NOMINAL MM, contact_angle: 9.0 DEGREES MINIMUM AND 19.0 DEGREES MAXIMUM, overall_width: 7.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-245-3629, 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
538HG-2
NSN: 3110-01-245-3629
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialCOTTON AND PLASTIC PHENOLIC RETAINER
bore_shapeSTRAIGHT
bore_diameter8.0 MILLIMETERS NOMINAL MM
contact_angle9.0 DEGREES MINIMUM AND 19.0 DEGREES MAXIMUM
overall_width7.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
surface_treatmentPASSIVATE INNER RING
lubrication_materialGREASE
bearing_preload_rating8.0 POUNDS MINIMUM AND 12.0 POUNDS MAXIMUM LBS
overall_outside_diameter22.0 MILLIMETERS NOMINAL MM
NSN3110-01-245-3629
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 538HG-2 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
LUBRICATION MATERIAL: GREASE
•
BEARING PRELOAD RATING: 8.0 POUNDS MINIMUM AND 12.0 POUNDS MAXIMUM LBS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
LUBRICATION MATERIALGREASE
BEARING PRELOAD RATING8.0 POUNDS MINIMUM AND 12.0 POUNDS MAXIMUM LBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER RING
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
SUBSTITUTES & CROSS-REFERENCES 2
SR38831K-58Reference document
Same NSN cross-reference
Reference document — Secondary reference
11835178Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 538HG-2?
538HG-2 is a BEARING,BALL,ANNULAR.
What parts can replace 538HG-2?
There are 2 known substitutes for 538HG-2: SR38831K-58, 11835178. Substitute compatibility should be verified for your specific system.
What is the NSN for 538HG-2?
538HG-2 is cataloged in the U.S. Government catalog under NSN 3110-01-245-3629. This indicates validated use in U.S. government and defense supply chains.
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