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Technical Data Sheet
PartsTable / COMPONENT / R31PPK48
R31PPK48 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1969 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-591-9914, 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
R31PPK48
NSN: 3110-00-591-9914
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1969 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_features57 PCT RACE RADII
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter0.5000 INCHES NOMINAL IN
internal_fit-up_designationLOOSE
NSN3110-00-591-9914
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R31PPK48 · 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: ASUM 100,AMERICAN OIL CO MFR REF SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1969 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONASUM 100,AMERICAN OIL CO MFR REF SINGLE MATERIAL RESPONSE
SPECIAL FEATURES57 PCT RACE RADII
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONLOOSE
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
11369Interchangeable
interchangeable cross-reference
interchangeable
2705A12Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-1215 TYFInterchangeable
interchangeable cross-reference
interchangeable
C54965Interchangeable
interchangeable cross-reference
interchangeable
14594Interchangeable
interchangeable cross-reference
interchangeable
A-A-625Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R31PPK48?
R31PPK48 is a BEARING,BALL,ANNULAR.
What parts can replace R31PPK48?
There are 23 known substitutes for R31PPK48: 11369, 2705A12, MIL-P-1215 TYF and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R31PPK48?
R31PPK48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-591-9914. 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