PartsTable
Technical Data Sheet
178819 ✓ Verified by PartsTable
Hama · 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

- High-tech film which protects the display from fingerprints, dust and scratches<br>- Highly transparent crystal clear film for HD quality<br>- Easy to apply without air bubbles, can be removed without leaving any residue<br>- Made in Germany This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7415, 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
178819
NSN: 3110-00-155-7415
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
thread_class3A A
fastener_length0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.094 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN3110-00-155-7415
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 178819 · Hama ⚠ 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
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
MATERIAL: STEEL ROLLER
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
LOCATING FEATURE: NONLOCATING
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL ROLLER
MATERIALSTEEL INNER RING
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
LOCATING FEATURENONLOCATING
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE SHAPESTRAIGHT
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
MATERIALSTEEL INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
L-75Interchangeable
interchangeable cross-reference
interchangeable
70-79Interchangeable
interchangeable cross-reference
interchangeable
LRL75MInterchangeable
interchangeable cross-reference
interchangeable
G250075-1Interchangeable
interchangeable cross-reference
interchangeable
230-304Interchangeable
interchangeable cross-reference
interchangeable
FIL-0-304Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178819?
178819 is a BEARING,ROLLER,CYLINDRICAL manufactured by Hama.
What parts can replace 178819?
There are 33 known substitutes for 178819: L-75, 70-79, LRL75M and 30 more. Substitute compatibility should be verified for your specific system.
Is 178819 still available?
178819 is currently cancelled.
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