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121KLSGLO — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

121KLSGLO: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 4.1331 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN, overall_width: 1.0156 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, features_provided: MOUNTING GROOVE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-092-9458, 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
121KLSGLO
NSN: 3110-01-092-9458
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter4.1331 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
overall_width1.0156 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
features_providedMOUNTING GROOVE
overall_outside_diameter6.2982 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
NSN3110-01-092-9458
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121KLSGLO · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 6.2982 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
•
FEATURES PROVIDED: MOUNTING GROOVE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 4.1331 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH1.0156 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER6.2982 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
FEATURES PROVIDEDMOUNTING GROOVE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
BORE DIAMETER4.1331 INCHES MINIMUM AND 4.1339 INCHES MAXIMUM IN
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 4
6021 NR/C4Reference document
Same NSN cross-reference
Reference document — Secondary reference
43L21-NR1214AReference document
Same NSN cross-reference
Reference document — Secondary reference
43L21NR2214AReference document
Same NSN cross-reference
Reference document — Secondary reference
11669510Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 121KLSGLO?
121KLSGLO is a BEARING,BALL,ANNULAR.
What parts can replace 121KLSGLO?
There are 4 known substitutes for 121KLSGLO: 6021 NR/C4, 43L21-NR1214A, 43L21NR2214A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121KLSGLO?
121KLSGLO is cataloged in the U.S. Government catalog under NSN 3110-01-092-9458. 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.