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Technical Data Sheet
PartsTable / COMPONENT / CR-1 3/8
CR-1 3/8 ✓ 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 CR-1 3/8 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-890-4949, 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
CR-1 3/8
NSN: 3110-00-890-4949
FSC: 3110
CAGE: 07484 — ACCURATE BUSHING COMPANY, INC. (USA)
SPECIFICATIONS
Part NumberCR-1 3/8
NSN3110-00-890-4949
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CR-1 3/8 · 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
•
STUD DIAMETER: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 20
•
THREAD LENGTH: 0.6250 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
OVERALL OUTSIDE DIAMETER: 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
STUD DIAMETER0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH20
THREAD LENGTH0.6250 INCHES NOMINAL IN
THREAD CLASS2A A
OVERALL OUTSIDE DIAMETER1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
OVERALL LENGTH2.0312 INCHES NOMINAL IN
OUTER RING WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8186408Interchangeable
interchangeable cross-reference
interchangeable
10100-128Interchangeable
interchangeable cross-reference
interchangeable
10100-30Interchangeable
interchangeable cross-reference
interchangeable
410-0190-000Interchangeable
interchangeable cross-reference
interchangeable
CR22Interchangeable
interchangeable cross-reference
interchangeable
999-4000-0264Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR-1 3/8?
CR-1 3/8 is a CR-1 3/8.
What parts can replace CR-1 3/8?
There are 12 known substitutes for CR-1 3/8: 8186408, 10100-128, 10100-30 and 9 more. Substitute compatibility should be verified for your specific system.
Is CR-1 3/8 still available?
CR-1 3/8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026