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SL-12 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SL-12: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include overall_length: 8.0 INCHES NOMINAL IN, drive_end_shape: HEXAGON SINGLE END INTERNAL, furnished_items: SLOTTED, PHILLIPS AND SQUARE DRIVES, torque_capacity: 12.0 INCH-POUNDS MAXIMUM IN, drive_surface_size: 0.25 INCHES NOMINAL SINGLE END IN, torque_signal_method: DIAL INDICATOR AND VISUAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-521-8559, 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
SL-12
NSN: 3110-01-521-8559
NIINs: 015218559, 015977479, 016429795, 016806483
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 57448 — STEPHENS-ADAMSON INC A SUB OF ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
overall_length8.0 INCHES NOMINAL IN
drive_end_shapeHEXAGON SINGLE END INTERNAL
furnished_itemsSLOTTED, PHILLIPS AND SQUARE DRIVES
torque_capacity12.0 INCH-POUNDS MAXIMUM IN
drive_surface_size0.25 INCHES NOMINAL SINGLE END IN
torque_signal_methodDIAL INDICATOR AND VISUAL
supplementary_featuresBOTH LEFT AND RIGHT DIRECTIONS
torque_scale_graduation0.50 INCH-POUNDS IN
torque_indicating_mechanismDIAL
part_name_assigned_by_controlling_agencyTORQUE GAUGE SCREWDRIVER
NSN3110-01-521-8559
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SL-12 · 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 FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
•
BORE DIAMETER: 0.7500 INCHES MINIMUM AND 0.7504 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
BORE DIAMETER0.7500 INCHES MINIMUM AND 0.7504 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
2588141Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
SLS-121Reference 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 SL-12?
SL-12 is a BEARING,BALL,ANNULAR.
What parts can replace SL-12?
There are 2 known substitutes for SL-12: 2588141, SLS-121. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-12?
SL-12 is cataloged in the U.S. Government catalog under NSN 3110-01-521-8559. This indicates validated use in U.S. government and defense supply chains.
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