PartsTable
Technical Data Sheet
BB56 ✓ 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,BALL,THRUST is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC RETAINER, alignment_type: RIGID, surface_finish: GROUND, special_features: BANDED OD WITH 4 HOLES, retainer_fabrication_method: MACHINED, thrust_directional_capability_designation: SINGLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2789, 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
BB56
NSN: 3110-00-198-2789
FSC: 3110
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC RETAINER
alignment_typeRIGID
surface_finishGROUND
special_featuresBANDED OD WITH 4 HOLES
retainer_fabrication_methodMACHINED
thrust_directional_capability_designationSINGLE
NSN3110-00-198-2789
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB56 · 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
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
MATERIAL: PLASTIC PHENOLIC RETAINER
ALIGNMENT TYPE: RIGID
RETAINER FABRICATION METHOD: MACHINED
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
MATERIALPLASTIC PHENOLIC RETAINER
SPECIAL FEATURESBANDED OD WITH 4 HOLES
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
MATERIALSTEEL WASHER
ALIGNMENT TYPERIGID
MATERIALSTEEL SEATING RING
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
LA-519-9Interchangeable
interchangeable cross-reference
interchangeable
2-2 130139BInterchangeable
interchangeable cross-reference
interchangeable
120-AAInterchangeable
interchangeable cross-reference
interchangeable
KR-IS 1/8Interchangeable
interchangeable cross-reference
interchangeable
120BInterchangeable
interchangeable cross-reference
interchangeable
400K1-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy BB56?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BB56?
BB56 is a BEARING,BALL,THRUST.
What parts can replace BB56?
There are 12 known substitutes for BB56: LA-519-9, 2-2 130139B, 120-AA and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB56?
BB56 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2789. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BB56