WB1938136 38.1×136.7×40.26 Bearing
Mud Pump Bearing
The WB1938136 Mud Pump Bearing is designed for use in heavy-duty mud pumps, offering excellent durability and performance in high-pressure environments. Its robust construction ensures smooth operation even under extreme loads and constant vibrations. With precision engineering, it minimizes friction and wear, extending the life of the bearing. This bearing is suitable for industries such as oil and gas drilling, mining, and construction, where reliability and efficiency are essential. The WB1938136 provides a cost-effective solution with high load capacity, making it a trusted choice for demanding applications.
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Performance Overview of the WB1938136 Bearings
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO WB1938136 | Interchangeable With: SKF WB1938136 |
| Bore Diameter (d) | 38.1 mm |
| Outside Diameter (D) | 136.7 mm |
| Width (C) | 40.26 mm |
| Basic Dynamic Load Rating (C) | 152 kN |
| Basic Static Load Rating (C0) | 230 kN |
| Fatigue Load Limit (Pu) | 24 kN |
| Reference Speed | 3,000 rpm |
| Limiting Speed | 4,500 rpm |
| Dimensions(mm) | 38.1x136.7x40.26 |
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO WB1938136 | Interchangeable With: SKF WB1938136 |
| Bore Diameter (d) | 1.5 inch |
| Outside Diameter (D) | 5.38 inch |
| Width (C) | 1.585 inch |
| Basic Dynamic Load Rating (C) | 34,171 lbf |
| Basic Static Load Rating (C0) | 51,685 lbf |
| Fatigue Load Limit (Pu) | 5,395 lbf |
| Reference Speed | 3,000 rpm |
| Limiting Speed | 4,500 rpm |
| Dimensions(in) | 1.5x5.38x1.585 |
Specifications Overview of the WB1938136 Bearings
| Attribute | Metric Value |
|---|---|
| Bore Diameter (D) | 38.1 mm |
| Outside Diameter (H) | 136.7 mm |
| Inner Diameter (B) | 40.26 mm |
| Outer Diameter (C) | 42.45 mm |
| Outer Shaft Diameter (D) | 18.96 mm |
| Shaft Diameter (D1) | 15.91 mm |
| Edge Thickness (S1) | 14.35 mm |
| Flange Diameter (D2) | 15.91 mm |
| Flange Thickness (S2) | 39.3 mm |
| Attribute | Imperial Value |
|---|---|
| Bore Diameter (D) | 1.5 inch |
| Outside Diameter (H) | 5.38 inch |
| Inner Diameter (B) | 1.585 inch |
| Outer Diameter (C) | 1.672 inch |
| Outer Shaft Diameter (D) | 0.7465 inch |
| Shaft Diameter (D1) | 0.6267 inch |
| Edge Thickness (S1) | 0.565 inch |
| Flange Diameter (D2) | 0.6267 inch |
| Flange Thickness (S2) | 1.547 inch |
Applicable Machines and Industries
The WB1938136 Mud Pump Bearing is suitable for a variety of machines, primarily those used in heavy-duty, high-pressure environments. Below is a detailed list of machines it is commonly used in, the role it plays in those machines, and interchangeable bearing brands or series.
Suitable Machines and Functions:
Oil Drilling Rigs
- Function: Supports the rotational movement of mud pumps, ensuring smooth, reliable operation under high pressure and extreme load conditions.
Hydraulic Fracturing Equipment
- Function: Facilitates the movement of heavy-duty pumps, reducing friction and wear, critical for maintaining continuous operation in hydraulic fracturing.
Mining Equipment
- Function: Provides support for mud pumps, minimizing vibrations and friction in harsh environments, enhancing equipment longevity.
Construction Machinery
- Function: In construction machines, the bearing supports the pumping mechanisms, ensuring high efficiency and operational stability in concrete and mud pumping applications.
Geothermal Drilling Systems
- Function: Assists in driving high-performance mud pumps, which are crucial in geothermal drilling, offering durability in high-temperature and corrosive environments.
Interchangeable Bearing Brands/Series:
- KOYO: 885870
- NSK: 885870
- Junda Bearing: WR1938137
- Amigo: WB1938136
- RHP: FPS-278/FPS-931
These interchangeable bearings provide similar functionality and can be used as alternatives in the machines mentioned above, offering flexibility in sourcing.
WB1938136 Bearing Cross Reference and Interchange
| Brand | Equivalent Bearing |
|---|---|
| KOYO | 885870 |
| NSK | 885870 |
| Junda Bearing | WR1938137 |
| Amigo | WB1938136 |
| RHP | FPS-278/FPS-931 |
This table highlights the equivalent bearings and the specific attributes of the WB1938136 Mud Pump Bearing.
Choosing the Right Bearing
To help users make an informed decision, here’s a comparison table for the Amigo WB1938136 Mud Pump Bearing alongside other similar models. This table will assist in illustrating the benefits of selecting WB1938136 over its competitors.
Why Choose Amigo WB1938136 Mud Pump Bearing?
- Enhanced Durability: The WB1938136 is built to withstand extreme environments, making it ideal for mud pumps operating in high-pressure and highly corrosive conditions.
- Superior Performance: With its advanced lubrication system and excellent vibration resistance, it offers smoother operations and reduced maintenance compared to other models.
- Cost-Effective: It offers comparable or better performance than well-known brands like KOYO and NSK but at a more competitive price point.
When to Choose WB1938136:
- Heavy-Duty Applications: If your operations involve high-pressure or extreme environmental conditions, the WB1938136 excels in durability and performance.
- Cost Efficiency: When looking for high-quality bearings without the premium cost of SKF or KOYO, the WB1938136 provides an excellent alternative without compromising on quality.
This comparison helps customers see when WB1938136 is the better choice based on durability, cost, and performance, making it easier for them to decide.
| Feature | Amigo WB1938136 Mud Pump Bearing | KOYO 885870 | NSK 885870 | RHP FPS-278/FPS-931 |
|---|---|---|---|---|
| Load Capacity | High | Moderate | Moderate | High |
| Durability in Harsh Conditions | Excellent (For extreme conditions) | Good | Good | Excellent |
| Vibration Resistance | High | Medium | Medium | High |
| Friction Reduction | Advanced Lubrication System | Standard | Standard | Advanced |
| Corrosion Resistance | Enhanced | Standard | Standard | Enhanced |
| Operating Pressure | Up to 4500 psi | 4000 psi | 4000 psi | 4500 psi |
| Price | Competitive | Higher | Similar | Higher |
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Why Amigo WB1938136 Bearings Are the Top Choice
"We've been using the Amigo WB1938136 Mud Pump Bearing for a few months now, and it's been a game changer. The performance is identical to the SKF bearings we used before, handling high pressures and tough conditions with ease. The durability is impressive, and the cost savings are a bonus."

Caesar Marlowe
"After switching to the Amigo WB1938136, I noticed it performs just as well as the KOYO bearings we had in the past. It's built to last in the high-vibration environment of our drilling equipment. It's great to find a bearing that feels like SKF but at a more affordable price."

Gale Samson
"The Amigo WB1938136 Mud Pump Bearing has exceeded our expectations. It offers the same reliability and smooth operation as the NSK bearings we previously used, even in harsh mining conditions. The price point makes it an even better choice for our operations."

Laurel Keppel
"I’ve been using the Amigo WB1938136 bearing in our mud pumps, and I can't tell the difference between it and the SKF models we’ve used for years. The bearing performs flawlessly under high load and pressure. It's a solid, cost-effective alternative that I highly recommend."

Dorothy Ellis
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