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3620538-1 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3620538-1: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 1.7714 INCHES MINIMUM AND 1.7720 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, outer_ring_width: 0.5856 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-202-9430, 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
3620538-1
NSN: 3110-01-202-9430
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_shapeSTRAIGHT
bore_diameter1.7714 INCHES MINIMUM AND 1.7720 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
outer_ring_width0.5856 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
special_featuresSILVER PLATE SEPARATOR 0.0005-0.0015 THK PER AMS 2412
style_designatorSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
end_item_identificationB-1B ACFT
overall_outside_diameter2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-01-202-9430
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3620538-1 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
OUTER RING WIDTH: 0.5856 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
OUTER RING WIDTH0.5856 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESSILVER PLATE SEPARATOR 0.0005-0.0015 THK PER AMS 2412
END ITEM IDENTIFICATIONB-1B ACFT
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3620538-1?
3620538-1 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for 3620538-1?
3620538-1 is cataloged in the U.S. Government catalog under NSN 3110-01-202-9430. 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.