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B41M1 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B41M1: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.3750 INCHES NOMINAL IN, alignment_type: RIGID, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL, lubrication_material: OIL LUBRICATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-108-7390, 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
B41M1
NSN: 3110-00-108-7390
NIINs: 001087390, 001125873
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 00724 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.3750 INCHES NOMINAL IN
alignment_typeRIGID
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
lubrication_materialOIL LUBRICATING
overall_outside_diameter0.3438 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-108-7390
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B41M1 · 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
•
LUBRICATION MATERIAL: GREASE
•
OVERALL OUTSIDE DIAMETER: 0.3440 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 0.1880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
OVERALL OUTSIDE DIAMETER0.3440 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER0.1880 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
K7896660P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B41M1?
B41M1 is a BEARING,ROLLER,NEEDLE.
What parts can replace B41M1?
There is 1 known substitute for B41M1: K7896660P1. Substitute compatibility should be verified for your specific system.
What is the NSN for B41M1?
B41M1 is cataloged in the U.S. Government catalog under NSN 3110-00-108-7390. 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.