PartsTable
Technical Data Sheet
R8-1B1-02 ✓ 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 COMP E52100 INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.2500 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-040-4833, 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
R8-1B1-02
NSN: 3110-01-040-4833
FSC: 3110
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_shapeSTRAIGHT
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.2500 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
lubrication_materialLUBRICANT
overall_outside_diameter1.1250 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-01-040-4833
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R8-1B1-02 · 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
LOAD DIRECTION: RADIAL
INTERNAL CLEARANCE: 0.0001 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
BORE SHAPE: STRAIGHT
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
RETAINER FABRICATION METHOD: PRESSED
LUBRICATION MATERIAL: LUBRICANT
MATERIAL: STEEL COMP 1012 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0001 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALLUBRICANT
MATERIALSTEEL COMP 1012 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
MATERIALSTEEL COMP E52100 INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
130292A8Interchangeable
interchangeable cross-reference
interchangeable
7400-1Interchangeable
interchangeable cross-reference
interchangeable
ER8Interchangeable
interchangeable cross-reference
interchangeable
R8Interchangeable
interchangeable cross-reference
interchangeable
R8ZJ5EInterchangeable
interchangeable cross-reference
interchangeable
R8XR5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R8-1B1-02?
R8-1B1-02 is a BEARING,BALL,ANNULAR.
What parts can replace R8-1B1-02?
There are 27 known substitutes for R8-1B1-02: 130292A8, 7400-1, ER8 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R8-1B1-02?
R8-1B1-02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-040-4833. This indicates validated use in U.S. government and defense supply chains.
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