D7R48-3 — BEARING,BALL,TRACK ROLLER

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

D7R48-3: BEARING,BALL,TRACK ROLLER.

The BEARING,BALL,TRACK ROLLER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, crown_radius: 3.0300 INCHES NOMINAL IN, bore_diameter: 0.4375 INCHES NOMINAL IN, inner_ring_width: 0.6300 INCHES NOMINAL IN, outer_ring_width: 0.5700 INCHES NOMINAL IN, special_features: AFBMA STD TOLERANCES FOR BEARINGS; INWARDLY CONVERGENT CONTACT ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-159-9518, 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

D7R48-3

NSN: 3110-00-159-9518
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)

SPECIFICATIONS

material	RUBBER SYNTHETIC SEAL
crown_radius	3.0300 INCHES NOMINAL IN
bore_diameter	0.4375 INCHES NOMINAL IN
seal_quantity	2
inner_ring_width	0.6300 INCHES NOMINAL IN
outer_ring_width	0.5700 INCHES NOMINAL IN
special_features	AFBMA STD TOLERANCES FOR BEARINGS; INWARDLY CONVERGENT CONTACT ANGLE
style_designator	DOUBLE ROW RIGID, CROWNED OD INNER RING ENTENDED BOTH SIDES
bearing_seal_type	CONTACT
surface_treatment	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_material	GREASE
overall_outside_diameter	1.2500 INCHES NOMINAL IN
NSN	3110-00-159-9518

COMPONENT DIAGRAM

KEY FEATURES

•

BEARING SEAL TYPE: CONTACT

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 0.5700 INCHES NOMINAL IN

•

CROWN RADIUS: 3.0300 INCHES NOMINAL IN

•

STYLE DESIGNATOR: DOUBLE ROW RIGID, CROWNED OD INNER RING ENTENDED BOTH SIDES

•

OVERALL OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES

TECHNICAL CHARACTERISTICS

BEARING SEAL TYPE	CONTACT
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.5700 INCHES NOMINAL IN
CROWN RADIUS	3.0300 INCHES NOMINAL IN
STYLE DESIGNATOR	DOUBLE ROW RIGID, CROWNED OD INNER RING ENTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER	1.2500 INCHES NOMINAL IN
SPECIAL FEATURES	AFBMA STD TOLERANCES FOR BEARINGS; INWARDLY CONVERGENT CONTACT ANGLE
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SEAL QUANTITY	2
BORE DIAMETER	0.4375 INCHES NOMINAL IN

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

D7R48-3FS160Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D7R48-3ANG25Reference 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 D7R48-3?

D7R48-3 is a BEARING,BALL,TRACK ROLLER.

What parts can replace D7R48-3?

There are 2 known substitutes for D7R48-3: D7R48-3FS160, D7R48-3ANG25. Substitute compatibility should be verified for your specific system.

What is the NSN for D7R48-3?

D7R48-3 is cataloged in the U.S. Government catalog under NSN 3110-00-159-9518. This indicates validated use in U.S. government and defense supply chains.

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D7R48-3 — BEARING,BALL,TRACK ROLLER

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