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B107878 — CAM FOLLOWER,NEEDLE BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B107878: CAM FOLLOWER,NEEDLE BEARING.

The CAM FOLLOWER,NEEDLE BEARING is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, stud_length: 1.2500 INCHES NOMINAL IN, thread_class: 2A A, stud_diameter: 0.7500 INCHES NOMINAL IN, thread_length: 0.6250 INCHES NOMINAL IN, overall_length: 2.0312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-438-8762, 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
B107878
NSN: 3110-00-438-8762
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
materialSTEEL ROLLER
stud_length1.2500 INCHES NOMINAL IN
thread_class2A A
seal_quantity2
stud_diameter0.7500 INCHES NOMINAL IN
thread_length0.6250 INCHES NOMINAL IN
overall_length2.0312 INCHES MAXIMUM IN
outer_ring_width0.7500 INCHES NOMINAL IN
special_featuresOD OF ROLLER CROWNED ON 3.6250 IN. RADIUS IN
style_designatorCAM FOLLOWER
thread_directionRIGHT-HAND
bearing_seal_typeCONTACT
NSN3110-00-438-8762
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B107878 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.7500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAM FOLLOWER
•
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.7500 INCHES NOMINAL IN
THREAD LENGTH0.6250 INCHES NOMINAL IN
STYLE DESIGNATORCAM FOLLOWER
OVERALL LENGTH2.0312 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
STUD LENGTH1.2500 INCHES NOMINAL IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B107878?
B107878 is a CAM FOLLOWER,NEEDLE BEARING.
What is the NSN for B107878?
B107878 is cataloged in the U.S. Government catalog under NSN 3110-00-438-8762. 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.