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Technical Data Sheet
PartsTable / COMPONENT / YD129
YD129 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL LOCKING COLLAR, bore_diameter: 1.0000 INCHES NOMINAL IN, inner_ring_width: 1.1570 INCHES NOMINAL IN, outer_ring_width: 1.1250 INCHES NOMINAL IN, style_designator: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING, bearing_seal_type: CONTACT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-028-7390, 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
YD129
NSN: 5325-00-028-7390
FSC: 5325
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL LOCKING COLLAR
bore_diameter1.0000 INCHES NOMINAL IN
seal_quantity2
inner_ring_width1.1570 INCHES NOMINAL IN
outer_ring_width1.1250 INCHES NOMINAL IN
style_designatorCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
bearing_seal_typeCONTACT
features_providedCOOLANT RESISTANT AND OIL RESISTANT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter2.5000 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
NSN5325-00-028-7390
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: YD129 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
38674Interchangeable
interchangeable cross-reference
interchangeable
YD129Interchangeable
interchangeable cross-reference
interchangeable
DAS16-40A1-501Interchangeable
interchangeable cross-reference
interchangeable
2416-10Interchangeable
interchangeable cross-reference
interchangeable
25-441Interchangeable
interchangeable cross-reference
interchangeable
25440Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YD129?
YD129 is a BEARING,ROLLER,AIRFRAME.
What parts can replace YD129?
There are 19 known substitutes for YD129: 38674, YD129, DAS16-40A1-501 and 16 more. Substitute compatibility should be verified for your specific system.
Is YD129 still available?
YD129 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026