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FA21040 — RETAINER AND ROLLERS,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

FA21040: RETAINER AND ROLLERS,BEARING.

The RETAINER AND ROLLERS,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.3800 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN, outside_diameter: 1.9170 INCHES MINIMUM AND 1.9270 INCHES MAXIMUM IN, style_designator: RETAINER AND ROLLERS, THRUST, rolling_element_diameter: 0.0779 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN, retainer_fabrication_method: STAMPED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-758-3473, 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
FA21040
NSN: 3110-00-758-3473
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 5XMS1 — JTEKT BEARINGS NORTH AMERICA LLC DIV KBNA - ORD 1 (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.3800 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
outside_diameter1.9170 INCHES MINIMUM AND 1.9270 INCHES MAXIMUM IN
style_designatorRETAINER AND ROLLERS, THRUST
retainer_piece_quantity2
rolling_element_diameter0.0779 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN
retainer_fabrication_methodSTAMPED
NSN3110-00-758-3473
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FA21040 · 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: STAMPED
•
ROLLING ELEMENT DIAMETER: 0.0779 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: RETAINER AND ROLLERS, THRUST
•
OUTSIDE DIAMETER: 1.9170 INCHES MINIMUM AND 1.9270 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.3800 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
RETAINER PIECE QUANTITY: 2
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODSTAMPED
ROLLING ELEMENT DIAMETER0.0779 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN
STYLE DESIGNATORRETAINER AND ROLLERS, THRUST
OUTSIDE DIAMETER1.9170 INCHES MINIMUM AND 1.9270 INCHES MAXIMUM IN
BORE DIAMETER1.3800 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
RETAINER PIECE QUANTITY2
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 3
5686837Reference document
Same NSN cross-reference
Reference document — Secondary reference
207MBY1Reference document
Same NSN cross-reference
Reference document — Secondary reference
5740487Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FA21040?
FA21040 is a RETAINER AND ROLLERS,BEARING.
What parts can replace FA21040?
There are 3 known substitutes for FA21040: 5686837, 207MBY1, 5740487. Substitute compatibility should be verified for your specific system.
What is the NSN for FA21040?
FA21040 is cataloged in the U.S. Government catalog under NSN 3110-00-758-3473. 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.