PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 74500-74850
74500-74850 ✓ 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

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 1.3750 INCHES NOMINAL IN, cone_width: 1.8750 INCHES NOMINAL IN, bore_diameter: 5.0000 INCHES NOMINAL IN, overall_width: 1.8750 INCHES NOMINAL IN, standout_width: 0.5000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5502, 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
74500-74850
NSN: 3110-00-100-5502
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.3750 INCHES NOMINAL IN
cone_width1.8750 INCHES NOMINAL IN
bore_diameter5.0000 INCHES NOMINAL IN
overall_width1.8750 INCHES NOMINAL IN
standout_width0.5000 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1250 INCHES NOMINAL IN
overall_outside_diameter8.5000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5502
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 74500-74850 · 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
•
OVERALL OUTSIDE DIAMETER: 8.5000 INCHES NOMINAL IN
•
CUP WIDTH: 1.3750 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
BORE DIAMETER: 5.0000 INCHES NOMINAL IN
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)
OVERALL OUTSIDE DIAMETER8.5000 INCHES NOMINAL IN
CUP WIDTH1.3750 INCHES NOMINAL IN
STANDOUT WIDTH0.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
BORE DIAMETER5.0000 INCHES NOMINAL IN
OVERALL WIDTH1.8750 INCHES NOMINAL IN
CONE WIDTH1.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
BT363Interchangeable
interchangeable cross-reference
interchangeable
363Interchangeable
interchangeable cross-reference
interchangeable
372AInterchangeable
interchangeable cross-reference
interchangeable
94289Interchangeable
interchangeable cross-reference
interchangeable
5520Interchangeable
interchangeable cross-reference
interchangeable
BT5520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74500-74850?
74500-74850 is a BEARING,ROLLER,TAPERED.
What parts can replace 74500-74850?
There are 29 known substitutes for 74500-74850: BT363, 363, 372A and 26 more. Substitute compatibility should be verified for your specific system.
Is 74500-74850 still available?
74500-74850 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