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Technical Data Sheet
PartsTable / MRO / 30257
30257 ✓ Verified by PartsTable
Lindy · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a Lindy industrial component. Key specifications include material: COPPER ALLOY OUTER LAYER, body_width: 1.500 INCHES NOMINAL IN, cone_width: 1.8125 INCHES NOMINAL IN, body_height: 3.500 INCHES NOMINAL IN, body_length: 2.250 INCHES NOMINAL IN, bulb_length: 11.620 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-1010, 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
MRO→ MRO_GENERAL→ 30257
NSN: 3110-00-101-1010
FSC: 3110
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OUTER LAYER
body_width1.500 INCHES NOMINAL IN
cone_width1.8125 INCHES NOMINAL IN
body_height3.500 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
bulb_length11.620 INCHES NOMINAL IN
corner_shapeROUND OUTSIDE LEFT CORNER
flange_width0.6250 INCHES NOMINAL IN
bore_diameter5.2500 INCHES NOMINAL IN
bulb_diameter0.190 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length24.0000 INCHES NOMINAL IN
NSN3110-00-101-1010
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30257 · Lindy ⚠ 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
•
CONE WIDTH: 1.8125 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
BORE DIAMETER: 5.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH1.8125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
BORE DIAMETER5.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
END ITEM IDENTIFICATION2330-01-303-8832 M1000 CHETTL TRAILER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
E396PC1Interchangeable
interchangeable cross-reference
interchangeable
E369PC1Interchangeable
interchangeable cross-reference
interchangeable
30257Interchangeable
interchangeable cross-reference
interchangeable
71844Interchangeable
interchangeable cross-reference
interchangeable
50257Interchangeable
interchangeable cross-reference
interchangeable
1676628Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30257?
30257 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 30257?
There are 22 known substitutes for 30257: E396PC1, E369PC1, 30257 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30257?
30257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-1010. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026