PartsTable
Technical Data Sheet
Download PDF

310970C91 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

310970C91: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.2910 INCHES NOMINAL IN, bore_diameter: 2.0000 INCHES NOMINAL IN, special_features: INCREASED COMPLEMENT OF ROLLERS,EXTRA CAPACITY,MODIFIED RETAINER, style_designator: STEEP ANGLE, cone_corner_radius: 0.1400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-013-7758, 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
310970C91
NSN: 3110-00-013-7758
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.2910 INCHES NOMINAL IN
bore_diameter2.0000 INCHES NOMINAL IN
special_featuresINCREASED COMPLEMENT OF ROLLERS,EXTRA CAPACITY,MODIFIED RETAINER
style_designatorSTEEP ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-013-7758
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 310970C91 · 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
•
STYLE DESIGNATOR: STEEP ANGLE
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 1.2910 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.0000 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
STYLE DESIGNATORSTEEP ANGLE
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH1.2910 INCHES NOMINAL IN
SPECIAL FEATURESINCREASED COMPLEMENT OF ROLLERS,EXTRA CAPACITY,MODIFIED RETAINER
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
D96435Reference document
Same NSN cross-reference
Reference document — Secondary reference
96435Reference document
Same NSN cross-reference
Reference document — Secondary reference
B8TZ4621AReference document
Same NSN cross-reference
Reference document — Secondary reference
9423507BCReference document
Same NSN cross-reference
Reference document — Secondary reference
P31629Reference document
Same NSN cross-reference
Reference document — Secondary reference
72200CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 310970C91?
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 310970C91?
310970C91 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 310970C91?
There are 7 known substitutes for 310970C91: D96435, 96435, B8TZ4621A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 310970C91?
310970C91 is cataloged in the U.S. Government catalog under NSN 3110-00-013-7758. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 310970C91

✓ 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.