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Technical Data Sheet

XLR3 1/2E1X — BEARING,ROLLER,JOURNAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

XLR3 1/2E1X: BEARING,ROLLER,JOURNAL.

The BEARING,ROLLER,JOURNAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN, overall_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, inner_ring_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, outer_ring_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, style_designator: SOLID INNER AND OUTER RACES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-691-2169, 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
XLR3 1/2E1X
NSN: 3110-00-691-2169
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_diameter3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN
overall_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
inner_ring_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
outer_ring_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
style_designatorSOLID INNER AND OUTER RACES
overall_outside_diameter4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
standard_tolerance_designationABEC NO.3
material_document_and_classificationASTM B147-52-7A ASSN STD SINGLE MATERIAL RESPONSE RETAINER A
NSN3110-00-691-2169
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: XLR3 1/2E1X · 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: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID INNER AND OUTER RACES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B147-52-7A ASSN STD SINGLE MATERIAL RESPONSE RETAINER A
•
OVERALL OUTSIDE DIAMETER: 4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID INNER AND OUTER RACES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B147-52-7A ASSN STD SINGLE MATERIAL RESPONSE RETAINER A
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BORE DIAMETER3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 5
204-040-270-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
452 581-ORAReference document
Same NSN cross-reference
Reference document — Secondary reference
204-040-270-003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D2-35849Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
452581Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is XLR3 1/2E1X?
XLR3 1/2E1X is a BEARING,ROLLER,JOURNAL.
What parts can replace XLR3 1/2E1X?
There are 5 known substitutes for XLR3 1/2E1X: 204-040-270-3, 452 581-ORA, 204-040-270-003 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for XLR3 1/2E1X?
XLR3 1/2E1X is cataloged in the U.S. Government catalog under NSN 3110-00-691-2169. 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.