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Technical Data Sheet
PartsTable / COMPONENT / 11BLT55A
11BLT55A ✓ 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 PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include width: 4.062 INCHES NOMINAL IN, length: 2.250 INCHES NOMINAL IN, material: STEEL OVERALL, minor_thickness: 0.065 INCHES NOMINAL IN, aperture_diameter: 1.625 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-515-9566, 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
11BLT55A
NSN: 3110-00-515-9566
FSC: 3110
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
width4.062 INCHES NOMINAL IN
length2.250 INCHES NOMINAL IN
materialSTEEL OVERALL
minor_thickness0.065 INCHES NOMINAL IN
aperture_diameter1.625 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.266 INCHES NOMINAL IN
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT W/APERTURE
mounting_bolt_circle_diameter3.312 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-00-515-9566
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11BLT55A · 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
•
MOUNTING HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
LENGTH: 2.250 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/APERTURE
•
MINOR THICKNESS: 0.065 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.266 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
LENGTH2.250 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
CROSS-SECTIONAL SHAPE STYLEFLAT W/APERTURE
MINOR THICKNESS0.065 INCHES NOMINAL IN
APERTURE DIAMETER1.625 INCHES NOMINAL IN
WIDTH4.062 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER3.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1-4GR100STN440Interchangeable
interchangeable cross-reference
interchangeable
1-4STAINLESSSTEELBALLGRADE1Interchangeable
interchangeable cross-reference
interchangeable
650864Interchangeable
interchangeable cross-reference
interchangeable
90-364Interchangeable
interchangeable cross-reference
interchangeable
85692W1ITEM16Interchangeable
interchangeable cross-reference
interchangeable
KJN4-54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11BLT55A?
11BLT55A is a PLATE,RETAINING,BEARING.
What parts can replace 11BLT55A?
There are 14 known substitutes for 11BLT55A: 1-4GR100STN440, 1-4STAINLESSSTEELBALLGRADE1, 650864 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11BLT55A?
11BLT55A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-515-9566. 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: July 2026