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Technical Data Sheet
PartsTable / COMPONENT / BT14
BT14 ✓ 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 TELEPHONE,SECURE UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.6367 INCHES NOMINAL IN, outside_diameter: 2.1227 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, component_quantity: 10, backface_corner_radius: 0.0156 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-7578, 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
BT14
NSN: 3110-00-143-7578
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.6367 INCHES NOMINAL IN
outside_diameter2.1227 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
component_quantity10
backface_corner_radius0.0156 INCHES NOMINAL IN
nonsupply_items_and_quantitiesSEAT RINGS 4; BODY GASKETS 2; IN GASKETS 2; STEM PACKING 1; GLAND LINER 1
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-143-7578
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BT14 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0156 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.1227 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0156 INCHES NOMINAL IN
OVERALL WIDTH0.6367 INCHES NOMINAL IN
OUTSIDE DIAMETER2.1227 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2140052Interchangeable
interchangeable cross-reference
interchangeable
14038Interchangeable
interchangeable cross-reference
interchangeable
3038-9012PC4Interchangeable
interchangeable cross-reference
interchangeable
4Interchangeable
interchangeable cross-reference
interchangeable
6R4Interchangeable
interchangeable cross-reference
interchangeable
A238028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BT14?
BT14 is a TELEPHONE,SECURE UNIT.
What parts can replace BT14?
There are 20 known substitutes for BT14: 2140052, 14038, 3038-9012PC4 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BT14?
BT14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-7578. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026