BD1B 351890 A
Double Row Angular Contact Thrust Ball Bearings
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Part No.
Part No.
BD1B 351890 A
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
310 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
1380 mm
Bore diameter tolerance
-0.16mm to 0
Outside diameter
1535 mm
Outside diameter tolerance
-0.16mm to 0
Width
130 mm
Width tolerance
+0.12mm to -1.6mm
Chamfer dimension
5 mm
Ball & Washer Dimensions
Housing washer inner diameter
1385 mm
Shaft washer outer diameter
1535 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
299250 lbf
Axial static load rating
3667500 lbf
Limiting speed
0.3 X 1000 rpm
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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BD1B 351890 A Bearing Product Overview & Core Advantages
The BD1B 351890 A is a metric thrust ball bearing engineered for applications requiring exceptional axial load capacity and robust construction. This open-type bearing is designed to accommodate heavy thrust loads in a single direction, making it ideal for high-demand industrial environments. Its large bore diameter of 1380 mm and substantial cross-section provide superior stability and support. Manufactured from high-grade 52100 Chrome Steel for both rings and balls, it ensures excellent durability and wear resistance. The bearing's design is optimized for applications with limited rotational speeds, offering reliable performance where high thrust capacity is paramount over speed.
BD1B 351890 A Bearing Model Code Explained, Specifications & Naming Convention
The model designation BD1B 351890 A provides specific technical information. While the full prefix/suffix logic is manufacturer-specific, key specifications from the data are:
- BD1B 351890: Likely denotes the bearing series and basic size designation.
- A: A common suffix indicating design variations; in this context, it confirms the bearing is a thrust type.
- Open (Seal Type): The bearing is unsealed, allowing for higher speed potential and custom lubrication schemes, but requires a clean operating environment.
- Material Codes (Implied): The use of 52100 Chrome Steel and a Stainless Steel cage points to a bearing designed for corrosion resistance and longevity.
BD1B 351890 A Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: With an axial dynamic load rating of 299,250 lbf and a massive axial static load rating of 3,667,500 lbf, this bearing is built to withstand extreme thrust forces, ensuring operational reliability in heavy-duty machinery.
- Robust Construction: The large bore diameter (1380 mm) and outside diameter (1535 mm), combined with a 130 mm width, create a sturdy bearing cross-section that resists deformation under load, providing high rigidity.
- Precision Tolerances: Tight dimensional tolerances on the bore and outside diameter ensure a precise fit, critical for maintaining alignment and performance in large-scale assemblies.
- Durable Material Selection: The 52100 Chrome Steel rings and balls offer high hardness and fatigue resistance, while the Stainless Steel cage provides enhanced corrosion resistance, contributing to a long service life.
- Speed Considerations: The limiting speed of 0.3 x 1000 rpm indicates this bearing is optimized for applications where high load capacity is the primary concern over rotational velocity.
BD1B 351890 A Bearing Typical Application Areas
This high-capacity thrust ball bearing is suited for heavy machinery and industrial systems requiring robust axial support, including:
- Vertical Turbines and Pumps: For supporting the axial weight of rotating assemblies.
- Heavy-Duty Industrial Gearboxes: To manage thrust forces within large gear systems.
- Cranes and Hoisting Equipment: In slewing rings and hook mechanisms to handle significant axial loads.
- Large Mining and Construction Equipment: For use in applications like hydraulic cylinders and large rotating platforms.
- Presses and Extrusion Machinery: Where substantial unidirectional thrust forces are generated.
