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SB1250-2 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SB1250-2: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN, overall_width: 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-620-2797, 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
SB1250-2
NSN: 3110-00-620-2797
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
overall_width1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_featuresBRG TO BE SUITABLE FOR OPERATION AT 250 DEG F; SELECTED,CLASSIFIED AND TESTED BY ASSY MFR AT HIS PLANT DEGF
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter4.3301 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
internal_fit-up_contact_angular_directionOUTWARD CONVERGENT
NSN3110-00-620-2797
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SB1250-2 · 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: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 4.3301 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.3301 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
SPECIAL FEATURESBRG TO BE SUITABLE FOR OPERATION AT 250 DEG F; SELECTED,CLASSIFIED AND TESTED BY ASSY MFR AT HIS PLANT DEGF
STANDARD TOLERANCE DESIGNATIONABEC NO.1
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SB1250-2?
SB1250-2 is a BEARING,BALL,ANNULAR.
What is the NSN for SB1250-2?
SB1250-2 is cataloged in the U.S. Government catalog under NSN 3110-00-620-2797. This indicates validated use in U.S. government and defense supply chains.
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