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BACB20GT45C — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BACB20GT45C: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN, overall_width: 0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-542-0014, 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
BACB20GT45C
NSN: 3110-00-542-0014
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL RETAINER
bore_shapeSTRAIGHT
bore_diameter1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
overall_width0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
lubrication_materialLUBRICANT
overall_outside_diameter2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-542-0014
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BACB20GT45C · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: LUBRICANT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALLUBRICANT
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
OVERALL WIDTH0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.6767 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
1909&1B1&01Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1909S0106A308C82S0000Reference document
Same NSN cross-reference
Reference document — Secondary reference
BACB10BB45Reference document
Same NSN cross-reference
Reference document — Secondary reference
BACB10GT45Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
1909SReference document
Same NSN cross-reference
Reference document — Secondary reference
649679Reference document
Same NSN cross-reference
Reference document — Secondary 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 BACB20GT45C?
BACB20GT45C is a BEARING,BALL,ANNULAR.
What parts can replace BACB20GT45C?
There are 6 known substitutes for BACB20GT45C: 1909&1B1&01, 1909S0106A308C82S0000, BACB10BB45 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB20GT45C?
BACB20GT45C is cataloged in the U.S. Government catalog under NSN 3110-00-542-0014. 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.