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RS1U2 — CAM FOLLOWER,NEEDLE BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RS1U2: CAM FOLLOWER,NEEDLE BEARING.

The CAM FOLLOWER,NEEDLE BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, stud_length: 0.4530 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, thread_class: 3A A, stud_diameter: 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, thread_length: 0.3440 INCHES NOMINAL IN, overall_length: 0.7499 INCHES MINIMUM AND 0.7969 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-033-9973, 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
RS1U2
NSN: 3110-01-033-9973
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
stud_length0.4530 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
thread_class3A A
stud_diameter0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
thread_length0.3440 INCHES NOMINAL IN
overall_length0.7499 INCHES MINIMUM AND 0.7969 INCHES MAXIMUM IN
outer_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
special_featuresONE THROUGH HOLE IN SHANK,0.0700 IN. DIA,LOCATED 0.1400 IN. MIN,TO 0.1900 IN. MAX FROM END OF SHANK IN
style_designatorCAM FOLLOWER
thread_directionRIGHT-HAND
nominal_thread_size0.190 INCHES IN
overall_outside_diameter0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
NSN3110-01-033-9973
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RS1U2 · 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
•
OUTER RING WIDTH: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.3440 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAM FOLLOWER
•
OVERALL OUTSIDE DIAMETER: 0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
STUD LENGTH: 0.4530 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
THREAD LENGTH0.3440 INCHES NOMINAL IN
STYLE DESIGNATORCAM FOLLOWER
OVERALL LENGTH0.7499 INCHES MINIMUM AND 0.7969 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
STUD LENGTH0.4530 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
SPECIAL FEATURESONE THROUGH HOLE IN SHANK,0.0700 IN. DIA,LOCATED 0.1400 IN. MIN,TO 0.1900 IN. MAX FROM END OF SHANK IN
THREAD CLASS3A A
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is RS1U2?
RS1U2 is a CAM FOLLOWER,NEEDLE BEARING.
What is the NSN for RS1U2?
RS1U2 is cataloged in the U.S. Government catalog under NSN 3110-01-033-9973. 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.