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FT101 — RETAINER AND BALLS,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

FT101: RETAINER AND BALLS,BEARING.

The RETAINER AND BALLS,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 BALL, bore_diameter: 0.1910 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN, outside_diameter: 0.4220 INCHES MINIMUM AND 0.4320 INCHES MAXIMUM IN, special_features: LUBICANT MIL-G-23827; ABEC GRADE 25; HEAT STABILIZED FOR OPERATION AT MINUS 54 DEG C TO PLUS 85 DEG C DEGC, style_designator: RETAINER AND BALLS, THRUST, rolling_element_diameter: 0.0420 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-088-0331, 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
FT101
NSN: 3110-01-088-0331
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
bore_diameter0.1910 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN
outside_diameter0.4220 INCHES MINIMUM AND 0.4320 INCHES MAXIMUM IN
special_featuresLUBICANT MIL-G-23827; ABEC GRADE 25; HEAT STABILIZED FOR OPERATION AT MINUS 54 DEG C TO PLUS 85 DEG C DEGC
style_designatorRETAINER AND BALLS, THRUST
retainer_piece_quantity1
rolling_element_diameter0.0420 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-01-088-0331
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FT101 · 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: MACHINED
•
ROLLING ELEMENT DIAMETER: 0.0420 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: RETAINER AND BALLS, THRUST
•
OUTSIDE DIAMETER: 0.4220 INCHES MINIMUM AND 0.4320 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.1910 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
ROLLING ELEMENT DIAMETER0.0420 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN
STYLE DESIGNATORRETAINER AND BALLS, THRUST
OUTSIDE DIAMETER0.4220 INCHES MINIMUM AND 0.4320 INCHES MAXIMUM IN
SPECIAL FEATURESLUBICANT MIL-G-23827; ABEC GRADE 25; HEAT STABILIZED FOR OPERATION AT MINUS 54 DEG C TO PLUS 85 DEG C DEGC
BORE DIAMETER0.1910 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 BALL
MATERIALPLASTIC POLYAMIDE NYLON RETAINER
RETAINER PIECE QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 3
01N07Reference document
Same NSN cross-reference
Reference document — Secondary reference
01X11MKReference document
Same NSN cross-reference
Reference document — Design control — primary reference
930020Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 FT101?
FT101 is a RETAINER AND BALLS,BEARING.
What parts can replace FT101?
There are 3 known substitutes for FT101: 01N07, 01X11MK, 930020. Substitute compatibility should be verified for your specific system.
What is the NSN for FT101?
FT101 is cataloged in the U.S. Government catalog under NSN 3110-01-088-0331. 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.