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Technical Data Sheet

SFRA45PPK18/168 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SFRA45PPK18/168: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, flange_width: 0.0020 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN, bore_diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_width: 0.1950 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-095-7682, 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
SFRA45PPK18/168
NSN: 3110-01-095-7682
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
flange_width0.0020 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN
bore_diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_width0.1950 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresSTABILIZED FOR OPERATION AT 500 DEG F,PACKED 25 PCT FULL W/LUBRICANT DEGF
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
NSN3110-01-095-7682
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SFRA45PPK18/168 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.6890 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: S313-13,12511 MFR REF ALL MATERIAL RESPONSES BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.6890 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONS313-13,12511 MFR REF ALL MATERIAL RESPONSES BALL
MATERIAL DOCUMENT AND CLASSIFICATIONS313-13,12511 MFR REF ALL MATERIAL RESPONSES INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONS313-13,12511 MFR REF ALL MATERIAL RESPONSES OUTER RING
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 4
SSRF-4ZZA5Reference document
Same NSN cross-reference
Reference document — Secondary reference
SR4FCHH5Reference document
Same NSN cross-reference
Reference document — Secondary reference
SFR45PPK18/168Reference document
Same NSN cross-reference
Reference document — Secondary reference
S313-13Reference 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 SFRA45PPK18/168?
SFRA45PPK18/168 is a BEARING,BALL,ANNULAR.
What parts can replace SFRA45PPK18/168?
There are 4 known substitutes for SFRA45PPK18/168: SSRF-4ZZA5, SR4FCHH5, SFR45PPK18/168 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SFRA45PPK18/168?
SFRA45PPK18/168 is cataloged in the U.S. Government catalog under NSN 3110-01-095-7682. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.