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Technical Data Sheet

4303SM — Technical Data Sheet

✓ 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: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 0.5312 INCHES NOMINAL IN, surface_finish: GROUND, special_features: 0.4063 LARGE BORE, style_designator: GROOVED RACE SURFACE. This part is cataloged in the Federal Logistics Information System 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
4303SM
NSN: 3110-00-156-1703
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
alignment_typeRIGID
overall_height0.5312 INCHES NOMINAL IN
surface_finishGROUND
special_features0.4063 LARGE BORE
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter0.3750 INCHES NOMINAL IN
overall_outside_diameter1.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1703
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4303SM · 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
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 13
BB1088InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
607857InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1693002REVCPC22SH2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
306SInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7606X1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
306KDInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4303SM?
4303SM is a HEATER,THERMAL RELEASE.
What parts can replace 4303SM?
There are 13 known substitutes for 4303SM: BB1088, 607857, 1693002REVCPC22SH2 and 10 more. Substitute compatibility should be verified for your specific system.
Is 4303SM still available?
4303SM is currently cancelled.
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