R345 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

R345: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-7351, 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

R345

NSN: 3110-00-155-7351
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)

SPECIFICATIONS

material	STEEL OUTER RING
bore_shape	STRAIGHT
bore_diameter	45.0 MILLIMETERS NOMINAL MM
overall_width	25.0 MILLIMETERS NOMINAL MM
surface_finish	GROUND
locating_feature	NONLOCATING
style_designator	SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter	100.0 MILLIMETERS NOMINAL MM
internal_fit-up_designation	STANDARD
standard_tolerance_designation	RBEC NO.1
NSN	3110-00-155-7351

COMPONENT DIAGRAM

KEY FEATURES

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

LOCATING FEATURE: NONLOCATING

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 100.0 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

STANDARD TOLERANCE DESIGNATION: RBEC NO.1

TECHNICAL CHARACTERISTICS

INTERNAL FIT-UP DESIGNATION	STANDARD
LOCATING FEATURE	NONLOCATING
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH	25.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	100.0 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
STANDARD TOLERANCE DESIGNATION	RBEC NO.1
BORE DIAMETER	45.0 MILLIMETERS NOMINAL MM
MATERIAL	STEEL OUTER RING

SUBSTITUTES & CROSS-REFERENCES 8

78916Reference document

Same NSN cross-reference

Reference document — Secondary reference

5EX81Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

NM45Reference document

Same NSN cross-reference

Reference document — Secondary reference

A21916-7Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

MS309Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

BU1309ZReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is R345?

R345 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace R345?

There are 8 known substitutes for R345: 78916, 5EX81, NM45 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for R345?

R345 is cataloged in the U.S. Government catalog under NSN 3110-00-155-7351. This indicates validated use in U.S. government and defense supply chains.

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R345 — BEARING,ROLLER,CYLINDRICAL

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