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B268 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B268: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.6250 INCHES NOMINAL IN, overall_width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-230-0844, 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
B268
NSN: 3110-01-230-0844
NIINs: 012300844, 016563154
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.6250 INCHES NOMINAL IN
overall_width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
end_item_identificationWINCH, DRUM, HA
overall_outside_diameter2.0000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyLEVER, BRAKE
NSN3110-01-230-0844
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B268 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 1.6250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
OVERALL WIDTH0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
END ITEM IDENTIFICATIONB-1B ACFT
BORE DIAMETER1.6250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
137-004-9677Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B268?
B268 is a BEARING,ROLLER,NEEDLE.
What parts can replace B268?
There is 1 known substitute for B268: 137-004-9677. Substitute compatibility should be verified for your specific system.
What is the NSN for B268?
B268 is cataloged in the U.S. Government catalog under NSN 3110-01-230-0844. 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.