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FFB171TYPE115GRADE50 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

FFB171TYPE115GRADE50: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, flange_width: 0.0310 INCHES NOMINAL IN, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.2187 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-540-8088, 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
FFB171TYPE115GRADE50
NSN: 3110-00-540-8088
NIINs: 005408088, 005887358, 006206783, 006901862, 007202336, 007254099, 007311721, 007328361, 007637685, 007891738, 008575746, 008972944
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
flange_width0.0310 INCHES NOMINAL IN
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.2187 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresINNER RING RUNOUT 0.0001 IN. ALSO OUTER RING RUNOUT 0.0002 IN. IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
NSN3110-00-540-8088
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB171TYPE115GRADE50 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FLANGE OUTSIDE DIAMETER: 0.4220 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
FLANGE OUTSIDE DIAMETER0.4220 INCHES NOMINAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1250 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 7
MRS77SRNM1224ZDEReference document
Same NSN cross-reference
Reference document — Secondary reference
ABF12K24DDFS160Reference document
Same NSN cross-reference
Reference document — Secondary reference
10033208-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
350793-13-111Reference document
Same NSN cross-reference
Reference document — Secondary reference
77NM1224ZC5E9Reference document
Same NSN cross-reference
Reference document — Secondary reference
45-000-86Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFB171TYPE115GRADE50?
FFB171TYPE115GRADE50 is a BEARING,BALL,ANNULAR.
What parts can replace FFB171TYPE115GRADE50?
There are 7 known substitutes for FFB171TYPE115GRADE50: MRS77SRNM1224ZDE, ABF12K24DDFS160, 10033208-2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB171TYPE115GRADE50?
FFB171TYPE115GRADE50 is cataloged in the U.S. Government catalog under NSN 3110-00-540-8088. 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.