Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
When a motor stops running, the first instinct is to find the part that looks
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| MFR / Brand | MPB |
|---|---|
| MPN | HADR-104-25 |
| Model | HADR 104 25 / 2MM 9104 WO CR DUL / 7003 P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Material | Chrome Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Lubricant | Oil/Grease |
| Preload | Light |
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 6.5 kN / 1461 lbf |
| Static Load Rating | 3.8 kN / 854 lbf |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.1 lbs |
| Cage Material | Phenolic Resin |
| Limiting Speed | 45000 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Running Accuracy | 0.002 mm |
| Running Accuracy Radial And Axial Runout | 0.002 mm |
| Cross Reference 1 | SKF 7003 CDGA/P4A |
|---|---|
| Cross Reference 2 | FAG B7003-C-T-P4S-UL |
The MPB HADR-104-25 Bearing is a set of two high-precision Angular Contact Ball Bearings with a 20x42x12mm size and ABEC 7/P4 rating. Made of chrome steel and suitable for operating temperatures between -30°C and 120°C, these bearings have a dynamic load rating of 6.5 kN and a static load rating of 3.8 kN. With a contact angle of 15° and a limiting speed of 45,000 rpm, these bearings are designed for universal mounting and offer a running accuracy of 0.002mm. Manufactured in the United States, these bearings are ideal for various industrial automation and motion control applications.
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