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Technical Data Sheet
PartsTable / COMPONENT / 137/8-5A
137/8-5A ✓ 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 137/8-5A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-143-6745, 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
137/8-5A
NSN: 3110-01-143-6745
FSC: 3110
CAGE: 88171 — ELLISON BRONZE INC (USA)
SPECIFICATIONS
Part Number137/8-5A
NSN3110-01-143-6745
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 137/8-5A · 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: GROUNDGROUND
•
BORE DIAMETER: 0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGSAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
ALIGNMENT TYPE: RIGIDRIGID
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL1.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELLNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUNDGROUND
BORE DIAMETER0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN
OVERALL WIDTH0.7400 INCHES MINIMUM AND 0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM0.7500 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGSAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGIDRIGID
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL1.1250 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELLNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
167218Interchangeable
interchangeable cross-reference
interchangeable
S1-8-007-H-39Interchangeable
interchangeable cross-reference
interchangeable
J1412Interchangeable
interchangeable cross-reference
interchangeable
1375AInterchangeable
interchangeable cross-reference
interchangeable
139B-15Interchangeable
Same NIIN cross-reference
interchangeable
38-04505-0018-0Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137/8-5A?
137/8-5A is a 137/8-5A.
What parts can replace 137/8-5A?
There are 7 known substitutes for 137/8-5A: 167218, S1-8-007-H-39, J1412 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 137/8-5A?
137/8-5A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-143-6745. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026