L1311U105 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

L1311U105: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 55.0 MILLIMETERS NOMINAL MM, overall_width: 29.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-448-7350, 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

L1311U105

NSN: 3110-00-448-7350
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 05527 — GWILLIAM COMPANY, INC. DIV BALL & ROLLER BEARING DIVISION (USA)

SPECIFICATIONS

material	COPPER ALLOY RETAINER
bore_shape	STRAIGHT
bore_diameter	55.0 MILLIMETERS NOMINAL MM
overall_width	29.0 MILLIMETERS NOMINAL MM
surface_finish	GROUND
locating_feature	ONE DIRECTION
style_designator	SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
internal_clearance	0.0072 INCHES MINIMUM RADIAL AND 0.0082 INCHES MAXIMUM RADIAL IN
overall_outside_diameter	120.0 MILLIMETERS NOMINAL MM
retainer_fabrication_method	MACHINED
standard_tolerance_designation	RBEC NO.1
NSN	3110-00-448-7350

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

INTERNAL CLEARANCE: 0.0072 INCHES MINIMUM RADIAL AND 0.0082 INCHES MAXIMUM RADIAL IN

•

LOCATING FEATURE: ONE DIRECTION

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 120.0 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
INTERNAL CLEARANCE	0.0072 INCHES MINIMUM RADIAL AND 0.0082 INCHES MAXIMUM RADIAL IN
LOCATING FEATURE	ONE DIRECTION
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
OVERALL WIDTH	29.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	120.0 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
STANDARD TOLERANCE DESIGNATION	RBEC NO.1
BORE DIAMETER	55.0 MILLIMETERS NOMINAL MM

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

NJ311JRL2Reference document

Same NSN cross-reference

Reference document — Secondary reference

2587123Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 L1311U105?

L1311U105 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace L1311U105?

There are 2 known substitutes for L1311U105: NJ311JRL2, 2587123. Substitute compatibility should be verified for your specific system.

What is the NSN for L1311U105?

L1311U105 is cataloged in the U.S. Government catalog under NSN 3110-00-448-7350. This indicates validated use in U.S. government and defense supply chains.

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L1311U105 — BEARING,ROLLER,CYLINDRICAL

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