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1311B — DISPLAY,OPTOELECTRONIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1311B: DISPLAY,OPTOELECTRONIC.

The DISPLAY,OPTOELECTRONIC is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_shape: STRAIGHT, bore_diameter: 2.8151 INCHES NOMINAL IN, overall_width: 29.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-3657, 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
1311B
NSN: 3110-00-227-3657
NIINs: 002273657, 012526224
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51600 — REGAL BELOIT AMERICA, INC. DBA ROLLWAY BEARING (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_shapeSTRAIGHT
bore_diameter2.8151 INCHES NOMINAL IN
overall_width29.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
special_features500 NS ON-SCREEN SPEED;ENCLOSURE INCLUDES TILT STAND;SPOT RESOLUTION 0.020 INCH;ALUMINIZED SCREEN;28.5 KV ACCELERATING POTENTIAL;14.000 INCH DISPLAY IN
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter120.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN3110-00-227-3657
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1311B · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 120.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH29.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER120.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SPECIAL FEATURESOUTER RING AND ROLLER ASSEMBLY,NO INNER RING
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER2.8151 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 6
7737Reference document
Same NSN cross-reference
Reference document — Secondary reference
2885MReference document
Same NSN cross-reference
Reference document — Secondary reference
104226R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
1311TSReference document
Same NSN cross-reference
Reference document — Secondary reference
104257R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
1A0323Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1311B?
1311B is a DISPLAY,OPTOELECTRONIC.
What parts can replace 1311B?
There are 6 known substitutes for 1311B: 7737, 2885M, 104226R91 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1311B?
1311B is cataloged in the U.S. Government catalog under NSN 3110-00-227-3657. This indicates validated use in U.S. government and defense supply chains.
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