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6B125 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6B125: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: COPPER ALLOY SINGLE FLANGE, flange_depth: 0.438 INCHES NOMINAL SINGLE FLANGE IN, flange_style: COVER TYPE SINGLE FLANGE, adapter_height: 1.875 INCHES NOMINAL IN, adapter_length: 2.094 INCHES NOMINAL IN, special_features: ENVELOPE MATERIAL: GLASS; MFG CLASS: THYRATON. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0212, 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
6B125
NSN: 3110-00-100-0212
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY SINGLE FLANGE
flange_depth0.438 INCHES NOMINAL SINGLE FLANGE IN
flange_styleCOVER TYPE SINGLE FLANGE
adapter_height1.875 INCHES NOMINAL IN
adapter_length2.094 INCHES NOMINAL IN
flange_quantity1
special_featuresENVELOPE MATERIAL: GLASS; MFG CLASS: THYRATON
style_designatorWAVEGUIDE TO COAXIAL
flange_inside_width1.312 INCHES NOMINAL SINGLE FLANGE IN
connector_end_designFEMALE
flange_inside_height0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SINGLE FLANGE IN
flange_outside_width1.875 INCHES NOMINAL SINGLE FLANGE IN
NSN3110-00-100-0212
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6B125 · 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 3
355ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6B0125Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BT355ASame 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 6B125?
6B125 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 6B125?
There are 3 known substitutes for 6B125: 355A, 6B0125, BT355A. Substitute compatibility should be verified for your specific system.
What is the NSN for 6B125?
6B125 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0212. 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.