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BB1045 — RESISTOR,FIXED,COMPOSITION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

BB1045: RESISTOR,FIXED,COMPOSITION.

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, body_length: 0.145 INCHES NOMINAL IN, body_diameter: 0.062 INCHES NOMINAL IN, bore_diameter: 90.0 MILLIMETERS NOMINAL MM, cubic_measure: 0.0004 CUBIC INCHES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8940, 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
MRO→ MRO_GENERAL→ BB1045
NSN: 3110-00-144-8940
NIINs: 001448940, 008536527, 011291540
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 91422 — FORMSPRAG LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
body_length0.145 INCHES NOMINAL IN
body_diameter0.062 INCHES NOMINAL IN
bore_diameter90.0 MILLIMETERS NOMINAL MM
cubic_measure0.0004 CUBIC INCHES
overall_width24.0 MILLIMETERS NOMINAL MM
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
load_directionRADIAL
surface_finishGROUND
terminal_length1.000 INCHES NOMINAL IN
NSN3110-00-144-8940
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB1045 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 140.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH24.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER140.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER90.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
311606Reference document
Same NSN cross-reference
Reference document — Secondary reference
279323R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
6018Reference document
Same NSN cross-reference
Reference document — Secondary reference
3L18X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
62054-1-363Reference document
Same NSN cross-reference
Reference document — Secondary reference
33213Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BB1045?
BB1045 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace BB1045?
There are 9 known substitutes for BB1045: 311606, 279323R91, 6018 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB1045?
BB1045 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8940. 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.