ST4M157-5 — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

ST4M157-5: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 ROLLER, bore_diameter: 0.3121 INCHES MINIMUM AND 0.3127 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.6875 INCHES NOMINAL IN, outer_ring_width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-024-7599, 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

ST4M157-5

NSN: 3110-01-024-7599
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)

SPECIFICATIONS

material	STEEL COMP E52100 ROLLER
bore_diameter	0.3121 INCHES MINIMUM AND 0.3127 INCHES MAXIMUM IN
seal_quantity	2
alignment_type	RIGID
surface_finish	GROUND
inner_ring_width	0.6875 INCHES NOMINAL IN
outer_ring_width	0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
style_designator	CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
bearing_seal_type	CONTACT
surface_treatment	CADMIUM ROLLER
lubrication_material	GREASE
overall_outside_diameter	0.9990 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
NSN	3110-01-024-7599

COMPONENT DIAGRAM

KEY FEATURES

•

BEARING SEAL TYPE: CONTACT

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER RING

•

SURFACE FINISH: GROUND

TECHNICAL CHARACTERISTICS

BEARING SEAL TYPE	CONTACT
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROLLER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER
SURFACE FINISH	GROUND
STYLE DESIGNATOR	CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER 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

YR-1-X-CCP-155Reference document

Same NSN cross-reference

Reference document — Secondary reference

YCRS16CPReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST4M157-5?

ST4M157-5 is a BEARING,ROLLER,NEEDLE.

What parts can replace ST4M157-5?

There are 2 known substitutes for ST4M157-5: YR-1-X-CCP-155, YCRS16CP. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M157-5?

ST4M157-5 is cataloged in the U.S. Government catalog under NSN 3110-01-024-7599. This indicates validated use in U.S. government and defense supply chains.

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ST4M157-5 — BEARING,ROLLER,NEEDLE

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