PartsTable
Technical Data Sheet
Download PDF

1B4008 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1B4008: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include body_width: 3.460 INCHES MAXIMUM IN, shank_type: STRAIGHT, body_height: 2.980 INCHES NOMINAL IN, body_length: 4.250 INCHES MAXIMUM IN, design_type: STRAIGHT, form_cutter: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-3699, 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
1B4008
NSN: 3110-00-100-3699
NIINs: 001003699, 011825594
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
body_width3.460 INCHES MAXIMUM IN
shank_typeSTRAIGHT
body_height2.980 INCHES NOMINAL IN
body_length4.250 INCHES MAXIMUM IN
design_typeSTRAIGHT
form_cutterNOT INCLUDED
battery_typeDRY
cooling_typeFINS
power_sourceSELF-CONTAINED
shank_length1.000 INCHES NOMINAL IN
overall_width96.000 INCHES NOMINAL IN
cooling_methodSELF-COOLED
NSN3110-00-100-3699
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1B4008 · 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
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
SUBSTITUTES & CROSS-REFERENCES 10
C4235BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
026-4721Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A10468XReference document
Same NSN cross-reference
Reference document — Secondary reference
33212FReference document
Same NSN cross-reference
Reference document — Secondary reference
211593Reference document
Same NSN cross-reference
Reference document — Secondary reference
160487Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 1B4008?
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 1B4008?
1B4008 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 1B4008?
There are 10 known substitutes for 1B4008: C4235B, 026-4721, A10468X and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1B4008?
1B4008 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3699. 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 — 1B4008

✓ 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.