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Technical Data Sheet
PartsTable / COMPONENT / TCL37-46-21
TCL37-46-21 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEPARATOR SLUG, bore_diameter: 2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-8560, 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
TCL37-46-21
NSN: 3110-00-042-8560
FSC: 3110
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEPARATOR SLUG
bore_diameter2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
load_directionRADIAL
inner_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
special_featuresSPLIT OUTER RING WITH TWO STAINLESS STEEL RETAINING RINGS,WITH POLYTETRAFLUOROETHYLENE SPACER SLUGS OR MACHINED NONMETALLIC RETAINER
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter2.8745 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
NSN3110-00-042-8560
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TCL37-46-21 · 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
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
•
INNER RING WIDTH: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 2.8745 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OUTER RING
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
SPECIAL FEATURESSPLIT OUTER RING WITH TWO STAINLESS STEEL RETAINING RINGS,WITH POLYTETRAFLUOROETHYLENE SPACER SLUGS OR MACHINED NONMETALLIC RETAINER
LOAD DIRECTIONRADIAL
BORE DIAMETER2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
INNER RING WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8745 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
17390NPC9Interchangeable
interchangeable cross-reference
interchangeable
N09442Interchangeable
interchangeable cross-reference
interchangeable
9442Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D5118 TYCFVASWGRV3CSTRSCCLWInterchangeable
interchangeable cross-reference
interchangeable
PPP-B-636 TYCFVASWGRV3CSTRSCCLWRInterchangeable
interchangeable cross-reference
interchangeable
1074020A591-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TCL37-46-21?
TCL37-46-21 is a BEARING,BALL,AIRFRAME.
What parts can replace TCL37-46-21?
There are 15 known substitutes for TCL37-46-21: 17390NPC9, N09442, 9442 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TCL37-46-21?
TCL37-46-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-8560. 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