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FF-B-171/05-J01C2B — Technical Data Sheet

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— · 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, overall_width: 12.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-144-8892, 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
FF-B-171/05-J01C2B
NSN: 3110-00-144-8892
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width12.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter37.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data111 TYPE AND 3 CLASS AND 00 GRADE
NSN3110-00-144-8892
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/05-J01C2B · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 111 TYPE AND 3 CLASS AND 00 GRADE
•
SHIELD QUANTITY: 2
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OVERALL OUTSIDE DIAMETER: 37.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 3 CLASS AND 00 GRADE
SHIELD QUANTITY2
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER37.00 MILLIMETERS NOMINAL MM
BORE DIAMETER12.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
11-110-000147InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS53004-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A52485InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
77601InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-C-587400InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
50464InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/05-J01C2B?
FF-B-171/05-J01C2B is a BEARING,BALL,ANNULAR.
What parts can replace FF-B-171/05-J01C2B?
There are 25 known substitutes for FF-B-171/05-J01C2B: 11-110-000147, MS53004-1, A52485 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/05-J01C2B?
FF-B-171/05-J01C2B is cataloged in the Federal Logistics Information System under NSN 3110-00-144-8892. 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: September 2026