S1721M5P38LG31 — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

S1721M5P38LG31: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER RING, bore_shape: STRAIGHT, bore_diameter: 1.0621 INCHES MINIMUM AND 1.0629 INCHES MAXIMUM IN, overall_width: 0.1560 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-439-6676, 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

S1721M5P38LG31

NSN: 3110-01-439-6676
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)

SPECIFICATIONS

material	STEEL COMP 440C INNER RING
bore_shape	STRAIGHT
bore_diameter	1.0621 INCHES MINIMUM AND 1.0629 INCHES MAXIMUM IN
overall_width	0.1560 INCHES NOMINAL IN
load_direction	RADIAL
surface_finish	GROUND
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
internal_clearance	0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_material	GREASE
overall_outside_diameter	1.3121 INCHES MINIMUM AND 1.3129 INCHES MAXIMUM IN
retainer_fabrication_method	MACHINED
standard_tolerance_designation	ABEC NO. 5P
NSN	3110-01-439-6676

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

LUBRICATION MATERIAL: GREASE

•

INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BALL

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
LUBRICATION MATERIAL	GREASE
INTERNAL CLEARANCE	0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH	0.1560 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	1.3121 INCHES MINIMUM AND 1.3129 INCHES MAXIMUM 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 1

239372-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is S1721M5P38LG31?

S1721M5P38LG31 is a BEARING,BALL,ANNULAR.

What parts can replace S1721M5P38LG31?

There is 1 known substitute for S1721M5P38LG31: 239372-1. Substitute compatibility should be verified for your specific system.

What is the NSN for S1721M5P38LG31?

S1721M5P38LG31 is cataloged in the U.S. Government catalog under NSN 3110-01-439-6676. This indicates validated use in U.S. government and defense supply chains.

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S1721M5P38LG31 — BEARING,BALL,ANNULAR

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