PartsTable
Technical Data Sheet
RA103RRB2 ✓ 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: PLASTIC POLYAMIDE NYLON RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.2500 INCHES NOMINAL IN, overall_width: 1.4062 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-118-7455, 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
RA103RRB2
NSN: 3110-01-118-7455
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON RETAINER
bore_shapeSTRAIGHT
bore_diameter1.2500 INCHES NOMINAL IN
overall_width1.4062 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
surface_finishGROUND
outer_ring_width18.00 MILLIMETERS NOMINAL MM
special_featuresSPHERICAL OD
style_designatorSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDS ONE SIDE, WITH ECCENTRIC LOCKING COLLAR
bearing_seal_typeCONTACT
NSN3110-01-118-7455
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RA103RRB2 · 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
BORE SHAPE: STRAIGHT
SURFACE FINISH: GROUND
SEAL QUANTITY: 2
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
RETAINER FABRICATION METHOD: MOLDED
ALIGNMENT TYPE: SELF-ALIGNING
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
SEAL QUANTITY2
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODMOLDED
ALIGNMENT TYPESELF-ALIGNING
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSPHERICAL OD
LUBRICATION MATERIALGREASE
SELF-ALIGNMENT LOCATIONEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
PL1448Interchangeable
interchangeable cross-reference
interchangeable
EE938-1Interchangeable
interchangeable cross-reference
interchangeable
1448Interchangeable
interchangeable cross-reference
interchangeable
514-48Interchangeable
interchangeable cross-reference
interchangeable
P164381Interchangeable
interchangeable cross-reference
interchangeable
118-6322Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA103RRB2?
RA103RRB2 is a BEARING,BALL,ANNULAR.
What parts can replace RA103RRB2?
There are 10 known substitutes for RA103RRB2: PL1448, EE938-1, 1448 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RA103RRB2?
RA103RRB2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-118-7455. This indicates validated use in U.S. government and defense supply chains.
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