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Technical Data Sheet
PartsTable / COMPONENT / 209MDR1
209MDR1 ✓ 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: 1.0938 INCHES NOMINAL IN, bore_diameter: 1.2500 INCHES NOMINAL IN, special_features: DUTY CLASS HM SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0460 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-580-3708, 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
209MDR1
NSN: 3110-00-580-3708
FSC: 3110
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.0938 INCHES NOMINAL IN
bore_diameter1.2500 INCHES NOMINAL IN
special_featuresDUTY CLASS HM SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-580-3708
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 209MDR1 · 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
•
BORE DIAMETER: 1.2500 INCHES NOMINAL IN
•
CONE WIDTH: 1.0938 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0460 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)
SPECIAL FEATURESDUTY CLASS HM SERIES
BORE DIAMETER1.2500 INCHES NOMINAL IN
CONE WIDTH1.0938 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
70809Interchangeable
interchangeable cross-reference
interchangeable
965-608DInterchangeable
interchangeable cross-reference
interchangeable
327-150-0034Interchangeable
interchangeable cross-reference
interchangeable
1799300Interchangeable
Same NIIN cross-reference
interchangeable
919596Interchangeable
Same NIIN cross-reference
interchangeable
0BTHM88542Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 209MDR1?
209MDR1 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 209MDR1?
There are 11 known substitutes for 209MDR1: 70809, 965-608D, 327-150-0034 and 8 more. Substitute compatibility should be verified for your specific system.
Is 209MDR1 still available?
209MDR1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026