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Technical Data Sheet
PartsTable / COMPONENT / M169
M169 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include width: 1.015 INCHES MINIMUM AND 1.045 INCHES MAXIMUM IN, height: 0.320 INCHES NOMINAL IN, length: 1.245 INCHES NOMINAL IN, material: STEEL OVERALL, body_style: MASK TYPE, body_width: 0.750 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4699, 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
M169
NSN: 3110-00-156-4699
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
width1.015 INCHES MINIMUM AND 1.045 INCHES MAXIMUM IN
height0.320 INCHES NOMINAL IN
length1.245 INCHES NOMINAL IN
materialSTEEL OVERALL
body_styleMASK TYPE
body_width0.750 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.365 INCHES MAXIMUM IN
body_length1.500 INCHES MAXIMUM IN
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width1.1875 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
NSN3110-00-156-4699
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M169 · 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
•
LOAD DIRECTION: ANGULAR
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 143 TYPE AND 00 GRADE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONANGULAR
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA143 TYPE AND 00 GRADE
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA143 TYPE AND 00 GRADE
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH1.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4.50-6Interchangeable
interchangeable cross-reference
interchangeable
5.30/4.50-6Interchangeable
interchangeable cross-reference
interchangeable
GP5/5.30/4.50-6/TR87/OFF CENTERInterchangeable
interchangeable cross-reference
interchangeable
5307Interchangeable
interchangeable cross-reference
interchangeable
SKF5307Interchangeable
interchangeable cross-reference
interchangeable
HR5069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M169?
M169 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace M169?
There are 26 known substitutes for M169: 4.50-6, 5.30/4.50-6, GP5/5.30/4.50-6/TR87/OFF CENTER and 23 more. Substitute compatibility should be verified for your specific system.
Is M169 still available?
M169 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