PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/01

FF-B-187/01 — Technical Data Sheet

✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL SEPARATOR SLUG, cup_width: 0.4688 INCHES NOMINAL IN, cone_width: 0.5938 INCHES NOMINAL IN, bore_diameter: 4.0000 INCHES NOMINAL IN, overall_width: 0.6250 INCHES NOMINAL IN, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-071-8854, 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
FF-B-187/01
NSN: 3110-00-071-8854
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL SEPARATOR SLUG
cup_width0.4688 INCHES NOMINAL IN
cone_width0.5938 INCHES NOMINAL IN
bore_diameter4.0000 INCHES NOMINAL IN
overall_width0.6250 INCHES NOMINAL IN
alignment_typeRIGID
standout_width0.1562 INCHES NOMINAL IN
outside_diameter2.5312 INCHES NOMINAL IN
special_featuresDUTY CLASS M SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0600 INCHES NOMINAL IN
backface_corner_radius0.0600 INCHES NOMINAL IN
NSN3110-00-071-8854
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/01 · 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: 0.8661 INCHES NOMINAL IN
•
BORE DIAMETER: 2.6875 INCHES NOMINAL IN
•
CUP WIDTH: 0.7411 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.2000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.3307 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1250 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 (FLIS)
CONE WIDTH0.8661 INCHES NOMINAL IN
BORE DIAMETER2.6875 INCHES NOMINAL IN
CUP WIDTH0.7411 INCHES NOMINAL IN
CONE CORNER RADIUS0.2000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.3307 INCHES NOMINAL IN
STANDOUT WIDTH0.1250 INCHES NOMINAL IN
OVERALL WIDTH0.8661 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
TEV04500Interchangeable
interchangeable cross-reference
interchangeable
C110-214Interchangeable
interchangeable cross-reference
interchangeable
1-13-14607Interchangeable
interchangeable cross-reference
interchangeable
AA59649Interchangeable
Same NIIN cross-reference
interchangeable
FF-B-187/01-512Interchangeable
Same NIIN cross-reference
interchangeable
AA59649-512Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy FF-B-187/01?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FF-B-187/01?
FF-B-187/01 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace FF-B-187/01?
There are 20 known substitutes for FF-B-187/01: TEV04500, C110-214, 1-13-14607 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-187/01?
FF-B-187/01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-071-8854. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FF-B-187/01

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026