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Technical Data Sheet
PartsTable / COMPONENT / C-31-21739
C-31-21739 ✓ 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,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include special_features: CDC ANEROBIC 5% SHEEPS BLOOD AGAR WITH PHENYLETHYL ALCOHOL, 20'S; REQUIRES REFRIG BTWN 2-8 DEG C DEGC, part_name_assigned_by_controlling_agency: CULTURE MED CDC ANEROBIC5%SHEEP BLD AGAR W/PHENYLETHYL ALCOHOL20. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-211-7315, 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
C-31-21739
NSN: 3110-01-211-7315
FSC: 3110
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
special_featuresCDC ANEROBIC 5% SHEEPS BLOOD AGAR WITH PHENYLETHYL ALCOHOL, 20'S; REQUIRES REFRIG BTWN 2-8 DEG C DEGC
part_name_assigned_by_controlling_agencyCULTURE MED CDC ANEROBIC5%SHEEP BLD AGAR W/PHENYLETHYL ALCOHOL20
NSN3110-01-211-7315
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: C-31-21739 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
21739Interchangeable
interchangeable cross-reference
interchangeable
99121739Interchangeable
interchangeable cross-reference
interchangeable
1205-0226Interchangeable
interchangeable cross-reference
interchangeable
425226-1Interchangeable
interchangeable cross-reference
interchangeable
74R126Interchangeable
interchangeable cross-reference
interchangeable
317-010255-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-31-21739?
C-31-21739 is a BEARING,ROLLER,NEEDLE.
What parts can replace C-31-21739?
There are 9 known substitutes for C-31-21739: 21739, 99121739, 1205-0226 and 6 more. Substitute compatibility should be verified for your specific system.
Is C-31-21739 still available?
C-31-21739 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026