Ball Bearings vs. Roller Bearings: Which One Does Your Application Actually Need?
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,

Availability:
1 in stock
Timken 98788B-3 Flange Taper Bearing Cup delivers reliable precision for high-demand industrial equipment. This New Old Stock unit is proudly made in the United States, originating from Rochester, New York. With a 7-7/8 inch outer diameter and a 1-3/8 inch width, it is designed for flange mounted taper bearing assemblies where exact alignment and smooth rotation matter. Offering Class 3 precision, this bearing cup maintains tight tolerances for long service life and high load capacity in conveyors, gear drives, spindles, and other heavy machinery. It is an ideal component for OEMs and maintenance teams looking to complete Timken sets or assemblies for any part number. We stock parts to assemble complete Timken configurations, enabling turnkey solutions. Ships in protective packaging and ready for immediate installation. United States made, durable Timken quality ensures consistent accuracy and compatibility with existing Timken systems for dependable performance.
List Price
$773.76
1 in stock

1 in stock
On the Shelf & Ready to Ship
On all orders

No Risk, No Hassle
Also Available From:
| MFR / Brand | Timken |
|---|---|
| MPN | 98788B-3 |
| Model | 98788 B #3 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 7.8740 in |
| Advertise | 1 |
|---|---|
| Flange Outer Diameter | 8.2500 in |
| Cup Flange Width | 0.3750 in |
| Condition | New – Open box |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 98788-B |
| Design Units | Imperial |
| Bearing Class | Class 3 |
| Bearing Material | Case-Hardened Alloy Steel |
| Cup Width | 1.3750 in |
| Series | 98000 |
Ball & Roller Bearings, Ball Bearing, Bearings & Bushings, Business & Industrial, Deep Groove Ball Bearing, Industrial Automation & Motion Controls, Mechanical Power Transmission
$11.48
77 in stock
Hot item
Ball & Roller Bearings, Ball Bearing, Bearings & Bushings, Business & Industrial, Deep Groove Ball Bearing, Industrial Automation & Motion Controls, Mechanical Power Transmission
$15.27
100 in stock
Popular pick
Ball & Roller Bearings, Ball Bearing, Bearings & Bushings, Business & Industrial, Deep Groove Ball Bearing, Industrial Automation & Motion Controls, Mechanical Power Transmission
$26.58
199 in stock
Sells fast
Angular Contact Ball Bearing, Ball & Roller Bearings, Bearings & Bushings, Business & Industrial, Industrial Automation & Motion Controls, Mechanical Power Transmission
$152.12
88 in stock
Angular Contact Ball Bearing, Ball & Roller Bearings, Bearings & Bushings, Business & Industrial, Industrial Automation & Motion Controls, Mechanical Power Transmission
$198.10
183 in stock
High demand
Angular Contact Ball Bearing, Ball & Roller Bearings, Bearings & Bushings, Business & Industrial, Industrial Automation & Motion Controls, Mechanical Power Transmission
$95.00
148 in stock
High demand
Ball & Roller Bearings, Ball Bearing, Bearings & Bushings, Business & Industrial, Deep Groove Ball Bearing, Industrial Automation & Motion Controls, Mechanical Power Transmission
$21.19
92 in stock
Sells fast
New plants don’t run themselves — and the American Manufacturing
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
When the original bearing is discontinued, not available or has a lengthy lead time, there
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories