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3020B — BEARING,ROLLER,SELF-ALIGNING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3020B: BEARING,ROLLER,SELF-ALIGNING.

The BEARING,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, swage_depth: 0.090 INCHES IN, bore_diameter: 70.0 MILLIMETERS NOMINAL MM, overall_width: 51.00 MILLIMETERS NOMINAL MM, overall_height: 0.371 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-185-7189, 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
3020B
NSN: 3110-00-185-7189
NIINs: 001857189, 005728127, 016163459
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
swage_depth0.090 INCHES IN
bore_diameter70.0 MILLIMETERS NOMINAL MM
overall_width51.00 MILLIMETERS NOMINAL MM
overall_height0.371 INCHES IN
overall_length5.125 INCHES NOMINAL IN
surface_finishGROUND
terminal_length0.235 INCHES IN
largest_diameter0.094 INCHES SINGLE END IN
overall_diameter0.188 INCHES IN
style_designatorDOUBLE HEAD
NSN3110-00-185-7189
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3020B · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 150.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 00 GRADE AND 6 CLASS AND 264 TYPE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
OVERALL WIDTH51.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER150.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA00 GRADE AND 6 CLASS AND 264 TYPE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER70.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
FFB185Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3020B?
3020B is a BEARING,ROLLER,SELF-ALIGNING.
What parts can replace 3020B?
There is 1 known substitute for 3020B: FFB185. Substitute compatibility should be verified for your specific system.
What is the NSN for 3020B?
3020B is cataloged in the U.S. Government catalog under NSN 3110-00-185-7189. 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.