PartsTable
Technical Data Sheet
PartsTable / COMPONENT / B-148
B-148 ✓ 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 COUPLER,ROTARY,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.310 INCHES IN, alignment_type: RIGID, overall_length: 0.790 INCHES IN, basic_shape_style: CRIMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-5779, 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
B-148
NSN: 3110-00-112-5779
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.310 INCHES IN
alignment_typeRIGID
overall_length0.790 INCHES IN
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.032 INCHES IN
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
mounting_method_styleRING
mounting_tongue_width0.310 INCHES IN
mounting_hole_diameter0.173 INCHES IN
NSN3110-00-112-5779
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B-148 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
BORE DIAMETER0.8750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
B86Interchangeable
interchangeable cross-reference
interchangeable
5895-381PC38Interchangeable
interchangeable cross-reference
interchangeable
5585734 PIECE 7Interchangeable
interchangeable cross-reference
interchangeable
B148Interchangeable
interchangeable cross-reference
interchangeable
199-10011Interchangeable
interchangeable cross-reference
interchangeable
B148XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy B-148?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is B-148?
B-148 is a COUPLER,ROTARY,RADIO FREQUENCY.
What parts can replace B-148?
There are 8 known substitutes for B-148: B86, 5895-381PC38, 5585734 PIECE 7 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-148?
B-148 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-5779. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B-148

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026