PartsTable
Technical Data Sheet
PartsTable / MRO / 4108-4
4108-4 ✓ Verified by PartsTable
Bestway · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

- Safety valves<br>- Sturdy pre-tested vinyl<br>- Heavy-duty handles<br>- Repair patch included<br>- Contents: One rider, repair patch. Key specifications include diameter: 2.3120 INCHES MINIMUM AND 2.3320 INCHES MAXIMUM IN, material: STEEL CASE, seal_width: 0.256 INCHES NOMINAL IN, construction: ONE-PIECE, corner_shape: SQUARE ALL CORNERS, outside_diameter: 3.3550 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-142-9459, 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
MRO→ MRO_GENERAL→ 4108-4
NSN: 3120-01-142-9459
FSC: 3120
CAGE: 59500 — TENNANT COMPANY (USA)
SPECIFICATIONS
diameter2.3120 INCHES MINIMUM AND 2.3320 INCHES MAXIMUM IN
materialSTEEL CASE
seal_width0.256 INCHES NOMINAL IN
constructionONE-PIECE
corner_shapeSQUARE ALL CORNERS
outside_diameter3.3550 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN
special_featuresTEMP RATING 200 TO 390 DEGREES FAHRENHEIT
style_designatorROUND
overall_thickness0.0920 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
surface_conditionGROUND
fsc_application_data4920-01-279-5988
housing_bore_diameter1.503 INCHES NOMINAL IN
NSN3120-01-142-9459
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4108-4 · Bestway ⚠ 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
•
MATERIAL: PLASTIC PHENOLIC INNER LAYER
•
SURFACE CONDITION: GROUND
•
STYLE DESIGNATOR: ROUND
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OUTSIDE DIAMETER: 3.3550 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.0920 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC PHENOLIC INNER LAYER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OUTER LAYER
SURFACE CONDITIONGROUND
STYLE DESIGNATORROUND
CORNER SHAPESQUARE ALL CORNERS
OUTSIDE DIAMETER3.3550 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN
MATERIALLUBRICANT LUBRICATION
OVERALL THICKNESS0.0920 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
DIAMETER2.3120 INCHES MINIMUM AND 2.3320 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
41084Interchangeable
interchangeable cross-reference
interchangeable
9858Interchangeable
interchangeable cross-reference
interchangeable
40220 ITEM 112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4108-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4108-4?
4108-4 is a BEARING,WASHER,THRUST manufactured by Bestway. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4108-4?
There are 3 known substitutes for 4108-4: 41084, 9858, 40220 ITEM 112. Substitute compatibility should be verified for your specific system.
What is the NSN for 4108-4?
4108-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-142-9459. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4108-4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026