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1651879 — BEARING,ROLLER,TRACK ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1651879: BEARING,ROLLER,TRACK ROLLER.

The BEARING,ROLLER,TRACK ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RACE, crown_radius: 7.5600 INCHES NOMINAL IN, bore_diameter: 0.1963 INCHES MINIMUM AND 0.1968 INCHES MAXIMUM IN, inner_ring_width: 0.4670 INCHES MINIMUM AND 0.4770 INCHES MAXIMUM IN, outer_ring_width: 0.4280 INCHES MINIMUM AND 0.4330 INCHES MAXIMUM IN, style_designator: TRACK ROLLER. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-396-1752, 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
1651879
NSN: 3110-01-396-1752
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RACE
crown_radius7.5600 INCHES NOMINAL IN
bore_diameter0.1963 INCHES MINIMUM AND 0.1968 INCHES MAXIMUM IN
inner_ring_width0.4670 INCHES MINIMUM AND 0.4770 INCHES MAXIMUM IN
outer_ring_width0.4280 INCHES MINIMUM AND 0.4330 INCHES MAXIMUM IN
style_designatorTRACK ROLLER
overall_outside_diameter0.6280 INCHES MINIMUM AND 0.6310 INCHES MAXIMUM IN
NSN3110-01-396-1752
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1651879 · 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
•
OUTER RING WIDTH: 0.4280 INCHES MINIMUM AND 0.4330 INCHES MAXIMUM IN
•
CROWN RADIUS: 7.5600 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TRACK ROLLER
•
OVERALL OUTSIDE DIAMETER: 0.6280 INCHES MINIMUM AND 0.6310 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.1963 INCHES MINIMUM AND 0.1968 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 INNER RACE
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.4280 INCHES MINIMUM AND 0.4330 INCHES MAXIMUM IN
CROWN RADIUS7.5600 INCHES NOMINAL IN
STYLE DESIGNATORTRACK ROLLER
OVERALL OUTSIDE DIAMETER0.6280 INCHES MINIMUM AND 0.6310 INCHES MAXIMUM IN
BORE DIAMETER0.1963 INCHES MINIMUM AND 0.1968 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 INNER RACE
MATERIALSTEEL COMP E52100 OUTER RACE
MATERIALPLASTIC ACETAL OR PLASTIC POLYAMIDE NYLON SEAL
MATERIALSTEEL SEPARATOR
INNER RING WIDTH0.4670 INCHES MINIMUM AND 0.4770 INCHES MAXIMUM IN
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 1
1651879-1Same 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 1651879?
1651879 is a BEARING,ROLLER,TRACK ROLLER.
What parts can replace 1651879?
There is 1 known substitute for 1651879: 1651879-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1651879?
1651879 is cataloged in the U.S. Government catalog under NSN 3110-01-396-1752. 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.