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T138 — TRANSFER TRANSMISSION ASSEMBLY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

T138: TRANSFER TRANSMISSION ASSEMBLY.

The TRANSFER TRANSMISSION ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cone_width: 0.9983 INCHES NOMINAL IN, bore_diameter: 1.5625 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0312 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0328, 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
T138
NSN: 3110-00-100-0328
NIINs: 001000328, 001009551, 001170760, 006962955
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.9983 INCHES NOMINAL IN
bore_diameter1.5625 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.0312 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0328
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T138 · 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
SUBSTITUTES & CROSS-REFERENCES 10
2D150Reference document
Same NSN cross-reference
Reference document — Secondary reference
600138Reference document
Same NSN cross-reference
Reference document — Secondary reference
32145VReference document
Same NSN cross-reference
Reference document — Secondary reference
64AX72Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SA-0125-PReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
563Reference 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 T138?
T138 is a TRANSFER TRANSMISSION ASSEMBLY.
What parts can replace T138?
There are 10 known substitutes for T138: 2D150, 600138, 32145V and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T138?
T138 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0328. 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.