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Technical Data Sheet
PartsTable / COMPONENT / 687/672
687/672 ✓ 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 687/672 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4402, 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
687/672
NSN: 3110-00-100-4402
FSC: 3110
CAGE: 60028 — AEROSPACE TECHNOLOGIES (USA)
SPECIFICATIONS
Part Number687/672
NSN3110-00-100-4402
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 687/672 · 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
•
CONE WIDTH: 1.6250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 6.6250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
CUP WIDTH: 1.1875 INCHES NOMINAL IN
•
BORE DIAMETER: 4.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH1.6250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL WIDTH1.6250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL OUTSIDE DIAMETER6.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
CUP WIDTH1.1875 INCHES NOMINAL IN
BORE DIAMETER4.0000 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
A-A-59649BInterchangeable
interchangeable cross-reference
interchangeable
13889-13830Interchangeable
interchangeable cross-reference
interchangeable
11592012Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187/1Interchangeable
interchangeable cross-reference
interchangeable
687Interchangeable
interchangeable cross-reference
interchangeable
49486Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 687/672?
687/672 is a 687/672.
What parts can replace 687/672?
There are 28 known substitutes for 687/672: A-A-59649B, 13889-13830, 11592012 and 25 more. Substitute compatibility should be verified for your specific system.
Is 687/672 still available?
687/672 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026