PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21S11
21S11 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 0.7940 INCHES NOMINAL IN, bore_diameter: 0.8750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0625 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0714, 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
21S11
NSN: 3110-00-100-0714
FSC: 3110
CAGE: 41064 — MITTS AND MERRILL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.7940 INCHES NOMINAL IN
bore_diameter0.8750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.0625 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0714
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21S11 · 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
•
CONE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 0.7940 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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)
CONE CORNER RADIUS0.0625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH0.7940 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MD2219AInterchangeable
interchangeable cross-reference
interchangeable
MD2219A-168Interchangeable
interchangeable cross-reference
interchangeable
2955Interchangeable
interchangeable cross-reference
interchangeable
2955 LInterchangeable
interchangeable cross-reference
interchangeable
WK-301650-000Interchangeable
interchangeable cross-reference
interchangeable
30165Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21S11?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21S11?
21S11 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 21S11?
There are 22 known substitutes for 21S11: MD2219A, MD2219A-168, 2955 and 19 more. Substitute compatibility should be verified for your specific system.
Is 21S11 still available?
21S11 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21S11

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026