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Technical Data Sheet

3TWF33=42SU — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3TWF33=42SU: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include bore_diameter: 2.0626 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2800 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_ring_width: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, special_features: FACES OF BOTH RINGS TO BE PARALLEL WITHIN .0002 IN. IN, overall_outside_diameter: 2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-01-007-8829, 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
3TWF33=42SU
NSN: 3110-01-007-8829
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
bore_diameter2.0626 INCHES MAXIMUM IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.2800 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_ring_width0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
special_featuresFACES OF BOTH RINGS TO BE PARALLEL WITHIN .0002 IN. IN
overall_outside_diameter2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
NSN3110-01-007-8829
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TWF33=42SU · 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
•
OUTER RING WIDTH: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
SHIELD QUANTITY: 2
•
OVERALL OUTSIDE DIAMETER: 2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 2.0626 INCHES MAXIMUM IN
•
INNER RING WIDTH: 0.2800 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
SHIELD QUANTITY2
OVERALL OUTSIDE DIAMETER2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESFACES OF BOTH RINGS TO BE PARALLEL WITHIN .0002 IN. IN
BORE DIAMETER2.0626 INCHES MAXIMUM IN
INNER RING WIDTH0.2800 INCHES MINIMUM AND 0.2810 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 1
13218E3678Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3TWF33=42SU?
3TWF33=42SU is a BEARING,BALL,AIRFRAME.
What parts can replace 3TWF33=42SU?
There is 1 known substitute for 3TWF33=42SU: 13218E3678. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TWF33=42SU?
3TWF33=42SU is cataloged in the U.S. Government catalog under NSN 3110-01-007-8829. 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.