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3WB186 ✓ Verified by PartsTable
— · BALL BEARING
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

The ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL ALLOY, face_width: 0.730 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: PLAIN, bore_inside_diameter: 0.380 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-113-3825, 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
3WB186
NSN: 3120-01-113-3825
FSC: 3120
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL ALLOY
face_width0.730 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorPLAIN
bore_inside_diameter0.380 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
chamfer/radius_of_outside_corner0.060 IN. BY 45 DEG CHAMFER IN
NSN3120-01-113-3825
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3WB186 · 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
•
FACE WIDTH: 0.730 INCHES NOMINAL IN
•
CHAMFER/RADIUS OF OUTSIDE CORNER: 0.060 IN. BY 45 DEG CHAMFER IN
•
BORE INSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
MATERIAL: STEEL ALLOY
•
STYLE DESIGNATOR: PLAIN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FACE WIDTH0.730 INCHES NOMINAL IN
CHAMFER/RADIUS OF OUTSIDE CORNER0.060 IN. BY 45 DEG CHAMFER IN
BORE INSIDE DIAMETER0.380 INCHES NOMINAL IN
MATERIALSTEEL ALLOY
STYLE DESIGNATORPLAIN
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B1031-13Interchangeable
interchangeable cross-reference
interchangeable
1031-13Interchangeable
interchangeable cross-reference
interchangeable
SU2A1Interchangeable
interchangeable cross-reference
interchangeable
370930-1Interchangeable
interchangeable cross-reference
interchangeable
03000050Interchangeable
interchangeable cross-reference
interchangeable
1713929Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3WB186?
3WB186 is a ROLLER,LINEAR-ROTARY MOTION.
What parts can replace 3WB186?
There are 6 known substitutes for 3WB186: B1031-13, 1031-13, SU2A1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3WB186?
3WB186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-113-3825. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026