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SP4FHH1P28 — SP4FHH1P28

✓ Government record, cited
MPB CORP DIV TIMKEN SUPER PRECISION · TAPERED BEARING
PRODUCT OVERVIEW

SP4FHH1P28: SP4FHH1P28.

The SP4FHH1P28 is a MPB CORP DIV TIMKEN SUPER PRECISION industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-01-457-3845, 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
SP4FHH1P28
NSN: 3110-01-457-3845
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
Part NumberSP4FHH1P28
ManufacturerMPB CORP DIV TIMKEN SUPER PRECISION
NSN3110-01-457-3845
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SP4FHH1P28 · MPB CORP DIV TIMKEN SUPER PRECISION ⚠ 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
•
LUBRICATION MATERIAL: GREASE
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1960 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESABEC NO. 3P; 1/3 TO 1/2 FULL WITH GREASE
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-83261 MIL SPEC SINGLE MATERIAL RESPONSE
SUBSTITUTES & CROSS-REFERENCES 3
SSR-4ZZFA3P25LY533Reference document
Same NSN cross-reference
Reference document — Secondary reference
SSRF-4ZZFA3P25LY533Reference document
Same NSN cross-reference
Reference document — Secondary reference
319-317-6620-62Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SP4FHH1P28?
SP4FHH1P28 is a SP4FHH1P28 manufactured by MPB CORP DIV TIMKEN SUPER PRECISION.
What parts can replace SP4FHH1P28?
There are 3 known substitutes for SP4FHH1P28: SSR-4ZZFA3P25LY533, SSRF-4ZZFA3P25LY533, 319-317-6620-62. Substitute compatibility should be verified for your specific system.
What is the NSN for SP4FHH1P28?
SP4FHH1P28 is cataloged in the U.S. Government catalog under NSN 3110-01-457-3845. 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.