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Technical Data Sheet
PartsTable / COMPONENT / 537250
537250 ✓ Verified by PartsTable
— · TAPERED BEARING
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 BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 ROLLER, bore_diameter: 0.1872 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN, overall_width: 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-468-2285, 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
537250
NSN: 3110-00-468-2285
FSC: 3110
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 ROLLER
bore_diameter0.1872 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
overall_width0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
lubrication_materialOIL LUBRICATING
overall_outside_diameter0.3432 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633,FS1020 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
lubrication_material_document_and_classificationMIL-L-7808 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-468-2285
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 537250 · 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
•
ALIGNMENT TYPE: RIGID
•
LUBRICATION MATERIAL: OIL LUBRICATING
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL COMP 1095 ROLLER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS1020 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
LUBRICATION MATERIALOIL LUBRICATING
SURFACE FINISHGROUND
MATERIALSTEEL COMP 1095 ROLLER
MATERIALSTEEL COMP 1020 OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS1020 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE ROLLER
OVERALL OUTSIDE DIAMETER0.3432 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ERG220Interchangeable
interchangeable cross-reference
interchangeable
812388Interchangeable
interchangeable cross-reference
interchangeable
B34Interchangeable
interchangeable cross-reference
interchangeable
B34GInterchangeable
interchangeable cross-reference
interchangeable
10015524Interchangeable
interchangeable cross-reference
interchangeable
10015524-013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 537250?
537250 is a BEARING,ROLLER,NEEDLE.
What parts can replace 537250?
There are 15 known substitutes for 537250: ERG220, 812388, B34 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 537250?
537250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-468-2285. 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