Linear Actuator Guide: What They Are, How They Work, and How to Choose the Right One
A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
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The Fafnir 2MM9128WI-SUM Bearing is a high-quality angular contact ball bearing designed for industrial applications. With a bore diameter of 140mm and an outside diameter of 210mm, this bearing is perfect for mechanical power transmission and motion control systems. Manufactured in the United States by the trusted brand FAFNIR, this bearing ensures reliable performance and durability. At 33mm wide, it provides a sturdy and stable support for various machinery and equipment.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9128WISUM |
| Model | 2MM-9128-WI-SUM 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 | Machined |
| Dynamic Load Rating | 145 kN |
| Static Load Rating | 125 kN |
| Precision Rating | ABEC 7 / P4 |
| Series | 9100 |
| Rolling Elements | Balls |
| Max Temp | 100°C |
| Condition | New – Open box |
| Item Weight | 7.72 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15°C |
| Preload | Medium |
| Mounting Arrangement | Universal |
| Internal Clearance | CN |
| Cross Reference 1 | SKF 7028 CDGB/P4A |
|---|---|
| Cross Reference 2 | FAG B7028-C-T-P4S-UM |
| Cross Reference 3 | RHP 7028CTSUMP4 |
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Every rotating machine handles two types of force: radial load (perpendicular to the shaft) and
Our team can locate, cross-reference, and source all parts.
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