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BT742 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BT742: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: COPPER ALLOY 841 OVERALL, body_width: 3.000 INCHES NOMINAL IN, body_height: 3.375 INCHES NOMINAL IN, body_length: 3.625 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, body_diameter: 0.138 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0337, 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
BT742
NSN: 3110-00-100-0337
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialCOPPER ALLOY 841 OVERALL
body_width3.000 INCHES NOMINAL IN
body_height3.375 INCHES NOMINAL IN
body_length3.625 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
body_diameter0.138 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeFULLY INCLOSED
overall_length0.6250 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
terminal_length1.500 INCHES NOMINAL IN
frequency_rating20.0 HERTZ MINIMUM AND 20.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
NSN3110-00-100-0337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BT742 · 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 9
742Reference document
Same NSN cross-reference
Reference document — Secondary reference
BRTG2Reference document
Same NSN cross-reference
Reference document — Secondary reference
64AX38Reference document
Same NSN cross-reference
Reference document — Secondary reference
124Reference document
Same NSN cross-reference
Reference document — Secondary reference
149042Reference document
Same NSN cross-reference
Reference document — Secondary reference
9A742Reference 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
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FREQUENTLY ASKED QUESTIONS
What is BT742?
BT742 is a CUP,TAPERED ROLLER BEARING.
What parts can replace BT742?
There are 9 known substitutes for BT742: 742, BRTG2, 64AX38 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BT742?
BT742 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0337. 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.