PartsTable
Technical Data Sheet
RS77R4X1C ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.1960 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4521, 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
RS77R4X1C
NSN: 3110-00-227-4521
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1960 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.6250 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
NSN3110-00-227-4521
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RS77R4X1C · 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
SHIELD QUANTITY: 2
BORE SHAPE: STRAIGHT
INTERNAL FIT-UP DESIGNATION: STANDARD
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
SURFACE FINISH: GROUND
RETAINER FABRICATION METHOD: PRESSED
LOAD DIRECTION: RADIAL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONRADIAL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL WIDTH0.1960 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
53202001Interchangeable
interchangeable cross-reference
interchangeable
55926001Interchangeable
interchangeable cross-reference
interchangeable
KC040CP0Interchangeable
interchangeable cross-reference
interchangeable
70-1101Interchangeable
interchangeable cross-reference
interchangeable
70-1101-1Interchangeable
interchangeable cross-reference
interchangeable
0683-1015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RS77R4X1C?
RS77R4X1C is a BEARING,BALL,ANNULAR.
What parts can replace RS77R4X1C?
There are 33 known substitutes for RS77R4X1C: 53202001, 55926001, KC040CP0 and 30 more. Substitute compatibility should be verified for your specific system.
Is RS77R4X1C still available?
RS77R4X1C is currently cancelled.
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