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1A522 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1A522: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include furnished_items: METAL INDEXED CASE, special_features: HIGH SPEED STEEL; JOBBERS LG; 118 DEG POINT; STRAIGHT ROUND SHANK, component_quantity: 115, specification/standard_data: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD, nonsupply_items_and_quantities: CONTAINS 1 EA FRACTIONAL SIZES 1/16 TO 1/2 IN. IN 1/64 IN.

INCREMENTS; WIRE GAGE SIZES 1 TO 60; LETTER SIZES A TO Z IN. This part is cataloged in the U.S. Government catalog under NSN 3110-00-155-8992, 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
1A522
NSN: 3110-00-155-8992
NIINs: 001558992, 010773634
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
furnished_itemsMETAL INDEXED CASE
special_featuresHIGH SPEED STEEL; JOBBERS LG; 118 DEG POINT; STRAIGHT ROUND SHANK
component_quantity115
specification/standard_data05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nonsupply_items_and_quantitiesCONTAINS 1 EA FRACTIONAL SIZES 1/16 TO 1/2 IN. IN 1/64 IN. INCREMENTS; WIRE GAGE SIZES 1 TO 60; LETTER SIZES A TO Z IN
NSN3110-00-155-8992
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1A522 · 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: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 6.5000 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.8750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.5000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER4.7500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
1A552Reference document
Same NSN cross-reference
Reference document — Secondary reference
XLS4 3-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
7767652Reference document
Same NSN cross-reference
Reference document — Secondary reference
233-474Reference document
Same NSN cross-reference
Reference document — Secondary reference
2179642Reference document
Same NSN cross-reference
Reference document — Secondary reference
712044Reference document
Same NSN cross-reference
Reference document — Secondary 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 1A522?
1A522 is a BEARING,BALL,ANNULAR.
What parts can replace 1A522?
There are 8 known substitutes for 1A522: 1A552, XLS4 3-4, 7767652 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A522?
1A522 is cataloged in the U.S. Government catalog under NSN 3110-00-155-8992. This indicates validated use in U.S. government and defense supply chains.
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