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91086-20C020 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

91086-20C020: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OUTER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2505 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-321-9243, 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
91086-20C020
NSN: 3120-00-321-9243
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2505 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM IN
body_outside_diameter1.4393 INCHES MINIMUM AND 1.4398 INCHES MAXIMUM IN
NSN3120-00-321-9243
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 91086-20C020 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.4393 INCHES MINIMUM AND 1.4398 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.4393 INCHES MINIMUM AND 1.4398 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.2505 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
SUBSTITUTES & CROSS-REFERENCES 8
06-282-20C020Reference document
Same NSN cross-reference
Reference document — Secondary reference
BJ40TH20C020Reference document
Same NSN cross-reference
Reference document — Secondary reference
KRJ20SB-20C020MReference document
Same NSN cross-reference
Reference document — Secondary reference
M81934/1-20C020Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST4M128-20C020Reference document
Same NSN cross-reference
Reference document — Secondary reference
KDJ20C020-16Reference 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 91086-20C020?
91086-20C020 is a BEARING,SLEEVE.
What parts can replace 91086-20C020?
There are 8 known substitutes for 91086-20C020: 06-282-20C020, BJ40TH20C020, KRJ20SB-20C020M and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91086-20C020?
91086-20C020 is cataloged in the U.S. Government catalog under NSN 3120-00-321-9243. 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.