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3TWF41-52U — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3TWF41-52U: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_diameter: 2.5622 INCHES MINIMUM AND 2.5626 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, outer_ring_width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, special_features: INTEGRAL SHIELDS,0.0005-0.0015 IN. RADIAL CLEARANCE,FRATURED OUTER RING WITH 2 HOLDING RINGS,FULL BALL COMPLIMENT IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-409-9945, 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
3TWF41-52U
NSN: 3110-00-409-9945
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_diameter2.5622 INCHES MINIMUM AND 2.5626 INCHES MAXIMUM IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
outer_ring_width0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
special_featuresINTEGRAL SHIELDS,0.0005-0.0015 IN. RADIAL CLEARANCE,FRATURED OUTER RING WITH 2 HOLDING RINGS,FULL BALL COMPLIMENT IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter3.2494 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-409-9945
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TWF41-52U · 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
•
OUTER RING WIDTH: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
OVERALL OUTSIDE DIAMETER: 3.2494 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 2.5622 INCHES MINIMUM AND 2.5626 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
OVERALL OUTSIDE DIAMETER3.2494 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESINTEGRAL SHIELDS,0.0005-0.0015 IN. RADIAL CLEARANCE,FRATURED OUTER RING WITH 2 HOLDING RINGS,FULL BALL COMPLIMENT IN
BORE DIAMETER2.5622 INCHES MINIMUM AND 2.5626 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM 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
370222-10Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
4152BIEReference 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 3TWF41-52U?
3TWF41-52U is a BEARING,BALL,AIRFRAME.
What parts can replace 3TWF41-52U?
There are 2 known substitutes for 3TWF41-52U: 370222-10, 4152BIE. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TWF41-52U?
3TWF41-52U is cataloged in the U.S. Government catalog under NSN 3110-00-409-9945. 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.