PartsTable
Technical Data Sheet
Download PDF

SB1250-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SB1250-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, load_direction: ANGULAR, surface_finish: GROUND, retainer_fabrication_method: MACHINED, standard_tolerance_designation: ABEC NO.1. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-620-2798, 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
SB1250-1
NSN: 3110-00-620-2798
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
load_directionANGULAR
surface_finishGROUND
special_featuresSPLIT OUTER RING; BRG TO BE SUITABLE FOR OPERATION AT 250 DEG F; SELECTED,CLASSIFIED AND TESTED BY ASSY MFR AT HIS PLANT DEGF
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.1
internal_fit-up_contact_angular_directionINWARD CONVERGENT
NSN3110-00-620-2798
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SB1250-1 · 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
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
MATERIAL: STEEL OUTER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
SPECIAL FEATURESSPLIT OUTER RING; BRG 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
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALCOPPER ALLOY RETAINER
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 1
5310A21E100B014C82S9173ARSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy SB1250-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SB1250-1?
SB1250-1 is a BEARING,BALL,ANNULAR.
What parts can replace SB1250-1?
There is 1 known substitute for SB1250-1: 5310A21E100B014C82S9173AR. Substitute compatibility should be verified for your specific system.
What is the NSN for SB1250-1?
SB1250-1 is cataloged in the U.S. Government catalog under NSN 3110-00-620-2798. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SB1250-1