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Technical Data Sheet
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BL311NR — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BL311NR: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include inclosure_type: FULLY INCLOSED, terminal_type_and_quantity: 2 SCREW, nonpile-up_contact_arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT, maximum_voltage_rating_in_volts: 250.0 AC AND 250.0 DC, contact_load_current_rating_at_maximum_rated_voltage: 5.000 AMPERES RESISTIVE DC AND 5.000 AMPERES RESISTIVE AC. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-358-7225, 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
BL311NR
NSN: 3110-01-358-7225
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0LTL1 — NTN BEARING CORPORATION OF AMERICA (USA)
SPECIFICATIONS
inclosure_typeFULLY INCLOSED
terminal_type_and_quantity2 SCREW
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts250.0 AC AND 250.0 DC
contact_load_current_rating_at_maximum_rated_voltage5.000 AMPERES RESISTIVE DC AND 5.000 AMPERES RESISTIVE AC
NSN3110-01-358-7225
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BL311NR · 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
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 BL311NR?
BL311NR is a BEARING,BALL,ANNULAR.
What is the NSN for BL311NR?
BL311NR is cataloged in the U.S. Government catalog under NSN 3110-01-358-7225. This indicates validated use in U.S. government and defense supply chains.
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