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Technical Data Sheet
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124-R — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

124-R: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC LENS, lens_color: RED, overall_width: 2.250 INCHES NOMINAL IN, overall_height: 1.375 INCHES NOMINAL IN, overall_length: 4.875 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-5278, 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
124-R
NSN: 3110-00-156-5278
NIINs: 001565278, 011788249
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialPLASTIC LENS
lens_colorRED
overall_width2.250 INCHES NOMINAL IN
overall_height1.375 INCHES NOMINAL IN
overall_length4.875 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
lens_transparencyTRANSLUCENT
lens_surface_conditionSMOOTH FACE
lens_type_and_quantity1 RECTANGULAR
voltage_rating_in_volts12.0 DC NOMINAL
wiring_provision_methodINDIVIDUAL WIRE
terminal_type_and_quantity1 WIRE LEAD
NSN3110-00-156-5278
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 124-R · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 190.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH32.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER190.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER120.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
120BH01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 124-R?
124-R is a BEARING,BALL,ANNULAR.
What parts can replace 124-R?
There is 1 known substitute for 124-R: 120BH01. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-R?
124-R is cataloged in the U.S. Government catalog under NSN 3110-00-156-5278. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.