PartsTable
Technical Data Sheet
3977 ✓ Verified by PartsTable
Multibrackets · 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

M Pro Series - Collaboration - Side by Side with brackets 65" - with Floorsupport 1025-1705mm is our innovative - ready to be installed wallmount for dual dislpay collaboration.<br><br>The new professional Pro Series A/V line from Multibrackets was designed with the installer in mind. Modular, easy to configure, quick to install, and simple to maintain. Working closely with installers we created a range with close to unlimited flexibility.

This model is no exception. The product provides the versatility and flexibility demanded by installers. Based upon the Pro Series strong and ultra-flexible aluminum rail it is completely modular and has built in cable management throughout the entire solution to quicken installation and creating an esthetic result worth the public eye.

<br><br>With its modular construction installers have vast possibilities to change, create, update and reconfigure its design if ideas change over time, then Pro Series can follow. <br><br><br><br> <br><br><br>Designe This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-0857, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
3977
NSN: 3110-00-101-0857
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
colorRED LENS
phaseTHREE
materialPLASTIC POLYCARBONATE
body_width4.250 INCHES MAXIMUM IN
cone_width1.1830 INCHES NOMINAL IN
link_styleROLLER
body_height4.156 INCHES NOMINAL IN
body_length4.500 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
design_typeSINGLE
current_typeAC
bore_diameter2.0000 INCHES NOMINAL IN
overall_width4.800 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
NSN3110-00-101-0857
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3977 · Multibrackets ⚠ 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
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
MATERIAL: STEEL OVERALL
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
BORE DIAMETER: 2.3622 INCHES NOMINAL IN
CONE WIDTH: 1.1830 INCHES NOMINAL IN
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
BORE DIAMETER2.3622 INCHES NOMINAL IN
CONE WIDTH1.1830 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
138262Interchangeable
interchangeable cross-reference
interchangeable
AA3521-4-3Interchangeable
interchangeable cross-reference
interchangeable
3850REDInterchangeable
interchangeable cross-reference
interchangeable
9062940Interchangeable
interchangeable cross-reference
interchangeable
A6270Interchangeable
interchangeable cross-reference
interchangeable
C4413Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3977?
3977 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Multibrackets.
What parts can replace 3977?
There are 25 known substitutes for 3977: 138262, AA3521-4-3, 3850RED and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3977?
3977 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-0857. This indicates validated use in U.S. government and defense supply chains.
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