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5394-157 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5394-157: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OR STEEL COMP 8620 OR STEEL OR STEEL COMP E50100 OR STEEL COMP E51100 OVERALL, bore_diameter: 1.3750 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 1.2500 INCHES NOMINAL IN, outer_ring_width: 1.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-2797, 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
5394-157
NSN: 3110-00-227-2797
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43952 — ENERGY SERVICES GROUP DIV OF COOPER INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OR STEEL COMP 8620 OR STEEL OR STEEL COMP E50100 OR STEEL COMP E51100 OVERALL
bore_diameter1.3750 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width1.2500 INCHES NOMINAL IN
outer_ring_width1.2500 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROVE INNER RING
style_designatorNON-SEPARABLE, WITH RETAINER PLATES, DRAWN SHELL
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.8750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-227-2797
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5394-157 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 1.2500 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH RETAINER PLATES, DRAWN SHELL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OR 66 FED STD 1ST MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7493 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.8750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
OUTER RING WIDTH1.2500 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, WITH RETAINER PLATES, DRAWN SHELL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OR 66 FED STD 1ST MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7493 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER1.8750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESOIL HOLE AND GROVE INNER RING
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SUBSTITUTES & CROSS-REFERENCES 5
506-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
20NCC2230YP2CReference document
Same NSN cross-reference
Reference document — Secondary reference
20NCC2230YPReference document
Same NSN cross-reference
Reference document — Secondary reference
20NCC2230YPANG25Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS24462-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5394-157?
5394-157 is a BEARING,ROLLER,NEEDLE.
What parts can replace 5394-157?
There are 5 known substitutes for 5394-157: 506-20, 20NCC2230YP2C, 20NCC2230YP and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5394-157?
5394-157 is cataloged in the U.S. Government catalog under NSN 3110-00-227-2797. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.