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Technical Data Sheet
PartsTable / COMPONENT / SSRF-3RA5P58LY21
SSRF-3RA5P58LY21 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A OVERALL A, bore_shape: STRAIGHT, flange_width: 0.0420 INCHES NOMINAL IN, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1562 INCHES NOMINAL IN, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-045-2551, 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
SSRF-3RA5P58LY21
NSN: 3110-01-045-2551
FSC: 3110
CAGE: 50294 — NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OVERALL A
bore_shapeSTRAIGHT
flange_width0.0420 INCHES NOMINAL IN
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
flange_outside_diameter0.5650 INCHES NOMINAL IN
outer_ring_outside_diameter0.5000 INCHES NOMINAL IN
NSN3110-01-045-2551
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SSRF-3RA5P58LY21 · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO. 5P
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL: OIL
•
OUTER RING OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO. 5P
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALOIL
OUTER RING OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
FLANGE OUTSIDE DIAMETER0.5650 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
SS3FK3Interchangeable
interchangeable cross-reference
interchangeable
SS3FInterchangeable
interchangeable cross-reference
interchangeable
941131-154Interchangeable
interchangeable cross-reference
interchangeable
77NM082C4F5UInterchangeable
interchangeable cross-reference
interchangeable
9072532Interchangeable
interchangeable cross-reference
interchangeable
SS518FCHHP48L011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SSRF-3RA5P58LY21?
SSRF-3RA5P58LY21 is a BEARING,BALL,ANNULAR.
What parts can replace SSRF-3RA5P58LY21?
There are 35 known substitutes for SSRF-3RA5P58LY21: SS3FK3, SS3F, 941131-154 and 32 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SSRF-3RA5P58LY21?
SSRF-3RA5P58LY21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-045-2551. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026