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Technical Data Sheet
PartsTable / COMPONENT / M197
M197 ✓ 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 DOLLY,TRAILER CONVERTER is a the manufacturer industrial component. Key specifications include wheel_type: SINGLE, drawbar_type: RIGID A-FRAME, support_type: ADJUSTABLE LEG, overall_width: 92.625 INCHES NOMINAL IN, overall_length: 112.000 INCHES NOMINAL IN, capacity_rating: 6.00 TONS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6435, 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
M197
NSN: 3110-00-155-6435
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
wheel_typeSINGLE
drawbar_typeRIGID A-FRAME
support_typeADJUSTABLE LEG
overall_width92.625 INCHES NOMINAL IN
overall_length112.000 INCHES NOMINAL IN
capacity_rating6.00 TONS
fifth_wheel_typeOPEN THROAT
coupler_plate_typeROCKING
service_brake_typeAIR
drawbar_coupler_typeLUNETTE
drawbar_characteristicFIXED
wheel_arrangement_characteristicDUAL
NSN3110-00-155-6435
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M197 · 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
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER80.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OUTER RING
OVERALL OUTSIDE DIAMETER170.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MIL-PRF-370Interchangeable
interchangeable cross-reference
interchangeable
543-427Interchangeable
interchangeable cross-reference
interchangeable
553008412Interchangeable
interchangeable cross-reference
interchangeable
316AInterchangeable
interchangeable cross-reference
interchangeable
M197Interchangeable
interchangeable cross-reference
interchangeable
510614Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M197?
M197 is a DOLLY,TRAILER CONVERTER.
What parts can replace M197?
There are 25 known substitutes for M197: MIL-PRF-370, 543-427, 553008412 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M197?
M197 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6435. 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