R309D — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

R309D: BEARING,ROLLER,CYLINDRICAL.

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

Government catalog under NSN 3110-00-155-6562, 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

R309D

NSN: 3110-00-155-6562
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)

SPECIFICATIONS

material	STEEL INNER RING
bore_shape	STRAIGHT
bore_diameter	45.0 MILLIMETERS NOMINAL MM
overall_width	25.0 MILLIMETERS NOMINAL MM
surface_finish	GROUND
locating_feature	ONE DIRECTION
style_designator	SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
overall_outside_diameter	100.0 MILLIMETERS NOMINAL MM
internal_fit-up_designation	STANDARD
standard_tolerance_designation	RBEC NO.1
NSN	3110-00-155-6562

COMPONENT DIAGRAM

KEY FEATURES

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

LOCATING FEATURE: ONE DIRECTION

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP 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	ONE DIRECTION
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP 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

R345LReference document

Same NSN cross-reference

Reference document — Secondary reference

707702Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

NF309Reference document

Same NSN cross-reference

Reference document — Secondary reference

7416620Reference document

Same NSN cross-reference

Reference document — Secondary reference

BU1309LReference document

Same NSN cross-reference

Reference document — Design control — primary reference

NFM45Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is R309D?

R309D is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace R309D?

There are 8 known substitutes for R309D: R345L, 707702, NF309 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for R309D?

R309D is cataloged in the U.S. Government catalog under NSN 3110-00-155-6562. This indicates validated use in U.S. government and defense supply chains.

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R309D — BEARING,ROLLER,CYLINDRICAL

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