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53176-9U051 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

53176-9U051: BEARING,ROLLER,TAPERED.

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 COMP E52100 SEPARATOR SLUG, cup_width: 1.7500 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, overall_width: 2.5626 INCHES NOMINAL IN, standout_width: 0.4063 INCHES NOMINAL IN, special_features: WITH SPACER X2S53176,OIL HOLE,0.0040 IN. BENCH LATERAL IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-435-9203, 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
53176-9U051
NSN: 3110-00-435-9203
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 SEPARATOR SLUG
cup_width1.7500 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
overall_width2.5626 INCHES NOMINAL IN
standout_width0.4063 INCHES NOMINAL IN
special_featuresWITH SPACER X2S53176,OIL HOLE,0.0040 IN. BENCH LATERAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.0500 INCHES NOMINAL IN
backface_corner_radius0.0300 INCHES NOMINAL IN
overall_outside_diameter3.7500 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-435-9203
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 53176-9U051 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
CUP WIDTH: 1.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.4063 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
RETAINER FABRICATION METHODPRESSED
CUP WIDTH1.7500 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH2.5626 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0300 INCHES NOMINAL IN
CONE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDOUT WIDTH0.4063 INCHES NOMINAL IN
SPECIAL FEATURESWITH SPACER X2S53176,OIL HOLE,0.0040 IN. BENCH LATERAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
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 4
FF-B-187Reference document
Same NSN cross-reference
Reference document — Secondary reference
709-4457197-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
53176-53376DX2S53176Reference document
Same NSN cross-reference
Reference document — Secondary reference
53176-53376DX2S53176ASSEMBLY9-51Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 53176-9U051?
53176-9U051 is a BEARING,ROLLER,TAPERED.
What parts can replace 53176-9U051?
There are 4 known substitutes for 53176-9U051: FF-B-187, 709-4457197-11, 53176-53376DX2S53176 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53176-9U051?
53176-9U051 is cataloged in the U.S. Government catalog under NSN 3110-00-435-9203. 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.