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:
2 in stock
Introducing the Fafnir 2MM9128WI-DUM Bearing, a top-tier Angular Contact Ball Bearing meticulously engineered for industrial applications. Manufactured in the United States by the trusted brand Timken, this bearing stands out for its exceptional reliability and durability. With a precise bore diameter of 140 mm (approximately 5.5 inches) and an outer diameter of 210 mm (about 8.27 inches), this bearing is adaptable to a wide range of machinery and equipment. Its width of 33 mm (around 1.3 inches) allows for optimal power transmission and motion control, making it an indispensable component in industrial automation and motion control systems. This bearing, designed as a Fafnir Angular Contact Ball Bearing, is ideal for those looking to enhance the efficiency and reliability of their operations. Whether you are in manufacturing, robotics, or any field requiring high-performance bearings, the 2MM9128WI-DUM is a smart investment for your equipment’s longevity. Key Features: Brand: Fafnir Type: Angular Contact Ball Bearing Model: 2MM9128 WI DUM 7028C Condition: New Made in the USA Upgrade your machinery today with the reliable performance of the Fafnir 2MM9128WI-DUM Bearing and experience the difference in efficiency and power management.
List Price
$1,825.60
2 in stock

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

No Risk, No Hassle
Also Available From:
| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9128WIDUM |
| Model | 2MM9128 WI DUM 7028C |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 140 mm |
| OD | 210 mm |
| Width | 33 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -30 °C |
| Cage Type | Phenolic |
| Dynamic Load Rating | 138 kN |
| Static Load Rating | 153 kN |
| Precision Rating | ABEC 7 / P4 |
| Series | 9100 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Condition | New |
| Item Weight | 6.80 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Lubricant | Oil |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 15° |
| Preload | Medium |
| Mounting Arrangement | Universal |
| Cross Reference 1 | 7208CTDUMP4 |
|---|
$95.00
148 in stock
High demand
$76.36
152 in stock
$11.48
77 in stock
Back in stock
$297.53
96 in stock
$95.00
148 in stock
High demand
$83.16
80 in stock
New
$15.27
100 in stock
Popular pick
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