T642-800 — BEARING,BALL,DUPLEX

✓ Government record, cited

Epson · TAPERED BEARING

PRODUCT OVERVIEW

T642-800: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a Epson industrial component. Key specifications include material: PLASTIC PHENOLIC RETAINER, bore_diameter: 1.3125 INCHES NOMINAL IN, overall_width: 1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN, overall_outside_diameter: 1.7500 INCHES NOMINAL IN, standard_tolerance_designation: ABEC NO. 5T.

This part is cataloged in the U.S. Government catalog under NSN 3110-01-286-9937, 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

T642-800

NSN: 3110-01-286-9937
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)

SPECIFICATIONS

material	PLASTIC PHENOLIC RETAINER
bore_diameter	1.3125 INCHES NOMINAL IN
overall_width	1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
overall_outside_diameter	1.7500 INCHES NOMINAL IN
standard_tolerance_designation	ABEC NO. 5T
NSN	3110-01-286-9937

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN

•

STANDARD TOLERANCE DESIGNATION: ABEC NO. 5T

•

BORE DIAMETER: 1.3125 INCHES NOMINAL IN

•

MATERIAL: STEEL COMP 440C INNER RING

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER	1.7500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	ABEC NO. 5T
BORE DIAMETER	1.3125 INCHES NOMINAL IN
MATERIAL	STEEL COMP 440C INNER RING
MATERIAL	GREASE LUBRICATION
MATERIAL	PLASTIC PHENOLIC RETAINER
MATERIAL	STEEL COMP 440C BALL
MATERIAL	STEEL COMP 440C ALIGNMENT RING

OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722

SUBSTITUTES & CROSS-REFERENCES 2

A3059382Reference document

Same NSN cross-reference

Reference document — Secondary reference

SSMDRI-542ZZSD600DB7KVA5PC18Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is T642-800?

T642-800 is a BEARING,BALL,DUPLEX manufactured by Epson.

What parts can replace T642-800?

There are 2 known substitutes for T642-800: A3059382, SSMDRI-542ZZSD600DB7KVA5PC18. Substitute compatibility should be verified for your specific system.

What is the NSN for T642-800?

T642-800 is cataloged in the U.S. Government catalog under NSN 3110-01-286-9937. This indicates validated use in U.S. government and defense supply chains.

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T642-800 — BEARING,BALL,DUPLEX

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