PartsTable
Technical Data Sheet
77045 ✓ Verified by PartsTable
Microconnect · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The MicroConnect 77045 Bit Set provides a comprehensive collection of 100 high-quality screwdriver bits, ensuring you have the right tool for any job. This versatile set is perfect for professionals and DIY enthusiasts alike, covering a wide range of screw types and sizes. Crafted from durable materials, these bits offer exceptional wear resistance and long-lasting performance.

The set is conveniently organized in a compact case, making it easy to store and transport. MicroConnect brings its 20+ years of expertise to this essential tool set, offering premium quality and reliable performance for all your building, construction, and repair needs. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4273, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
77045
NSN: 3110-00-156-4273
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width1.1420 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedHERMETICALLY SEALED AND BURN IN AND RESETTABLE AND RETRIGGERABLE AND POSITIVE OUTPUTS
NSN3110-00-156-4273
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77045 · Microconnect ⚠ 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
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
LUBRICATION MATERIAL: GREASE
RETAINER FABRICATION METHOD: PRESSED
BORE SHAPE: STRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY: 2
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY2
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B3140Interchangeable
interchangeable cross-reference
interchangeable
9-310040Interchangeable
interchangeable cross-reference
interchangeable
77045Interchangeable
interchangeable cross-reference
interchangeable
3242728Interchangeable
interchangeable cross-reference
interchangeable
4528BPCInterchangeable
interchangeable cross-reference
interchangeable
1820-1356Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77045?
77045 is a MICROCIRCUIT,DIGITAL manufactured by Microconnect.
What parts can replace 77045?
There are 6 known substitutes for 77045: B3140, 9-310040, 77045 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77045?
77045 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4273. This indicates validated use in U.S. government and defense supply chains.
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