PartsTable
Technical Data Sheet
PartsTable / COMPONENT / CR-20
CR-20 ✓ 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 CAM FOLLOWER,NEEDLE BEARING is a the manufacturer industrial component. Key specifications include color: AMBER, material: PLASTIC POLYPROPYLENE LOCATION NOT OTHERWISE SPECIFIED, stud_length: 1.2500 INCHES NOMINAL IN, closure_type: PRESS-LUG LOCK CAP, thread_class: 3A A, stud_diameter: 0.5000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-1603, 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-20
NSN: 3110-00-159-1603
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
colorAMBER
materialPLASTIC POLYPROPYLENE LOCATION NOT OTHERWISE SPECIFIED
stud_length1.2500 INCHES NOMINAL IN
closure_typePRESS-LUG LOCK CAP
thread_class3A A
stud_diameter0.5000 INCHES NOMINAL IN
thread_length0.6250 INCHES NOMINAL IN
overall_length2.0312 INCHES NOMINAL IN
capacity_rating20.0 DRAMS
outer_ring_width0.7500 INCHES NOMINAL IN
special_featuresWIDE MOUTH, ROUND, TABLET OR CAPSULE; CHILD RESISTANT WITH SUFFICIENT QUANTITY OF SNAP ON CAPS; MAY BE SUPPLIED WITH A QUANTITY OF 150 BOTTLES
style_designatorCAM FOLLOWER
NSN3110-00-159-1603
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CR-20 · 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
•
STYLE DESIGNATOR: CAM FOLLOWER
•
THREAD SERIES DESIGNATOR: UNF
•
STUD DIAMETER: 0.5000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.6250 INCHES NOMINAL IN
•
STUD LENGTH: 1.2500 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCAM FOLLOWER
OVERALL LENGTH2.0312 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
STUD DIAMETER0.5000 INCHES NOMINAL IN
THREAD LENGTH0.6250 INCHES NOMINAL IN
STUD LENGTH1.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
SPECIAL FEATURESW/MEANS FOR RELUBRICATION
OUTER RING WIDTH0.7500 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
A-A-50439-1Interchangeable
interchangeable cross-reference
interchangeable
X951225Interchangeable
interchangeable cross-reference
interchangeable
849546-10Interchangeable
interchangeable cross-reference
interchangeable
S40Interchangeable
interchangeable cross-reference
interchangeable
S42Interchangeable
interchangeable cross-reference
interchangeable
LHS80AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR-20?
CR-20 is a CAM FOLLOWER,NEEDLE BEARING.
What parts can replace CR-20?
There are 17 known substitutes for CR-20: A-A-50439-1, X951225, 849546-10 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CR-20?
CR-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-1603. 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