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137-325-9004 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

137-325-9004: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include bore_diameter: 1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL IN, alignment_type: RIGIDRIGIDRIGID, load_direction: RADIALRADIALRADIAL, shield_quantity: 222, inner_ring_width: 0.2812 INCHES NOMINAL0.2812 INCHES NOMINAL0.2812 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-329-7729, 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
137-325-9004
NSN: 3110-01-329-7729
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
bore_diameter1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL IN
alignment_typeRIGIDRIGIDRIGID
load_directionRADIALRADIALRADIAL
shield_quantity222
inner_ring_width0.2812 INCHES NOMINAL0.2812 INCHES NOMINAL0.2812 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDES
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASEGREASEGREASE
overall_outside_diameter1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.5ABEC NO.5ABEC NO.5
NSN3110-01-329-7729
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 137-325-9004 · 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
•
LUBRICATION MATERIAL: GREASEGREASEGREASE
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL IN
•
SHIELD QUANTITY: 222
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIALRADIALRADIAL
•
ALIGNMENT TYPE: RIGIDRIGIDRIGID
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASEGREASEGREASE
OUTER RING WIDTH0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL0.0015 INCHES MAXIMUM RADIAL IN
SHIELD QUANTITY222
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDESSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL IN
LOAD DIRECTIONRADIALRADIALRADIAL
ALIGNMENT TYPERIGIDRIGIDRIGID
STANDARD TOLERANCE DESIGNATIONABEC NO.5ABEC NO.5ABEC NO.5
BORE DIAMETER1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL1.0625 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 2
SR541PPT8K515/274Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1724BISTE5P515LY231Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 137-325-9004?
137-325-9004 is a BEARING,BALL,AIRFRAME.
What parts can replace 137-325-9004?
There are 2 known substitutes for 137-325-9004: SR541PPT8K515/274, S1724BISTE5P515LY231. Substitute compatibility should be verified for your specific system.
What is the NSN for 137-325-9004?
137-325-9004 is cataloged in the U.S. Government catalog under NSN 3110-01-329-7729. 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.