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Technical Data Sheet
PartsTable / COMPONENT / 812120H
812120H ✓ 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 1090 OR STEEL COMP 1095 ROLLER, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-183-6730, 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
812120H
NSN: 3110-00-183-6730
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL COMP 1090 OR STEEL COMP 1095 ROLLER
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.7500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE IN OUTER RING
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
overall_outside_diameter1.0000 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES ROLLER
NSN3110-00-183-6730
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 812120H · 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
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OUTER RING
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OUTER RING
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.7500 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OUTER RING
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
SPECIAL FEATURESOIL HOLE IN OUTER RING
ALIGNMENT TYPERIGID
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OUTER RING
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
OVERALL OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
B1212Interchangeable
interchangeable cross-reference
interchangeable
8130869Interchangeable
interchangeable cross-reference
interchangeable
MS17131Interchangeable
interchangeable cross-reference
interchangeable
A28229Interchangeable
interchangeable cross-reference
interchangeable
180101Interchangeable
interchangeable cross-reference
interchangeable
295-12XAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 812120H?
812120H is a BEARING,ROLLER,NEEDLE.
What parts can replace 812120H?
There are 31 known substitutes for 812120H: B1212, 8130869, MS17131 and 28 more. Substitute compatibility should be verified for your specific system.
Is 812120H still available?
812120H is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026