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Technical Data Sheet
PartsTable / COMPONENT / BB1088
BB1088 ✓ 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 HEATER,THERMAL RELEASE is a the manufacturer industrial component. Key specifications include material: SELENIUM, load_type: RESISTIVE, temp_rating: 45.0 CELSIUS DEGC, overall_width: 1.375 INCHES NOMINAL IN, terminal_type: SOLDER LUG, alignment_type: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1703, 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
BB1088
NSN: 3110-00-156-1703
FSC: 3110
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialSELENIUM
load_typeRESISTIVE
temp_rating45.0 CELSIUS DEGC
overall_width1.375 INCHES NOMINAL IN
terminal_typeSOLDER LUG
alignment_typeRIGID
overall_height1.938 INCHES NOMINAL IN
overall_length4.906 INCHES NOMINAL IN
stack_quantity2
surface_finishGROUND
mounting_methodSTUD(S)
special_featuresOIL FILLED AND HERMETICALLY SEALED
NSN3110-00-156-1703
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB1088 · 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
•
BORE SMALLEST DIAMETER: 0.3750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
OVERALL OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
ALIGNMENT TYPE: RIGID
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER0.3750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
OVERALL OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
ALIGNMENT TYPERIGID
SPECIAL FEATURES0.4063 LARGE BORE
OVERALL HEIGHT0.5312 INCHES NOMINAL IN
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
BB1088Interchangeable
interchangeable cross-reference
interchangeable
607857Interchangeable
interchangeable cross-reference
interchangeable
1693002REVCPC22SH2Interchangeable
interchangeable cross-reference
interchangeable
306SInterchangeable
interchangeable cross-reference
interchangeable
7606X1Interchangeable
interchangeable cross-reference
interchangeable
306KDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB1088?
BB1088 is a HEATER,THERMAL RELEASE.
What parts can replace BB1088?
There are 14 known substitutes for BB1088: BB1088, 607857, 1693002REVCPC22SH2 and 11 more. Substitute compatibility should be verified for your specific system.
Is BB1088 still available?
BB1088 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026