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630103 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

630103: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include width: 3.500 INCHES NOMINAL IN, length: 6.313 INCHES NOMINAL IN, material: STEEL, slot_width: 0.266 INCHES NOMINAL IN, body_radius: 4.375 INCHES NOMINAL IN, slot_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-191-0495, 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
630103
NSN: 3110-00-191-0495
NIINs: 001910495, 004959554
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
width3.500 INCHES NOMINAL IN
length6.313 INCHES NOMINAL IN
materialSTEEL
slot_width0.266 INCHES NOMINAL IN
body_radius4.375 INCHES NOMINAL IN
slot_length0.375 INCHES NOMINAL IN
corner_radius1.000 INCHES NOMINAL IN
body_thickness0.029 INCHES NOMINAL IN
inside_corner_radius12.000 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleOVAL, TWO HOLES
mounting_opening_shape_styleCLOSED HORIZONTAL SLOT
NSN3110-00-191-0495
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 630103 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
CONE WIDTH: 0.7187 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.2500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0620 INCHES NOMINAL IN
CONE WIDTH0.7187 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS L SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
A630103Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 630103?
630103 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 630103?
There is 1 known substitute for 630103: A630103. Substitute compatibility should be verified for your specific system.
What is the NSN for 630103?
630103 is cataloged in the U.S. Government catalog under NSN 3110-00-191-0495. 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.